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Yamaha F115 Owner`s manual

1. 1 L ZMU04277 1 Manufactured date label location YAMAHA Manufactured ZMU01701 EMU25272 Star labels Your outboard motor is labeled with a Cali fornia Air Resources Board CARB star la bel See below for a description of your General information particular label ZMU04776 EMU25280 One Star Low Emission The one star label identifies engines that meet the Air Resources Board s 2001 ex haust emission standards Engines meeting these standards have 75 lower emissions than conventional carbureted two stroke en gines These engines are equivalent to the U S EPA s 2006 standards for marine en gines LOW EMmigss10 ZMU01702 EMU25290 Two Stars Very Low Emission The two star label identifies engines that meet the Air Resources Board s 2004 ex haust emission standards Engines meeting these standards have 20 lower emissions than One Star Low Emission engines General information ZMU01703 EMU25300 Three Stars Ultra Low Emission The three star label identifies engines that meet the Air Resources Board s 2008 ex haust emission standards Engines meeting these standards have 65 lower emissions than One Star Low Emission engines ZMU01704 EMU25362 Safety information e Before mounting or operating the outboard motor read this entire manual Reading it should give you an understanding of the motor and its operation e Before operating
2. 40 Trimming outboard motor 41 Adjusting trim angle eee 41 Adjusting boat trim seee 42 Tilting up and down 43 Procedure for tilting Up 44 Procedure for tilting down 45 Cruising in shallow water 46 Power trim and tilt models power tilt models 46 Cruising in other conditions 47 Maintenance 49 Specifications 49 Transporting and storing outboard MOTOR A eseMP ait T 50 Storing outboard motor 50 Procedure 51 Lubrication except oil injection MOdEIS chines Mondlane ean 52 Cleaning and anticorrosion MEASUTES 2255 iieiea 52 Battery care 52 Flushing power unit 53 Cleaning the outboard motor 54 Checking painted surface of MOTO Es RUN as nu 54 Periodic maintenance 54 Replacement parts 54 Maintenance chart 55 Maintenance chart additional 56 Gr asing 5er ss moneiainn 57 Cleaning and adjusting spark DIUG RE len EE 57 Checking fuel system 58 Inspecting fuel filter eee 59 Cleaning fuel filter 59 Inspecting idling speed 59 Changing engine Oil eee 60 Checking wiring and connectors 62 Exhaust leakage 62 Water leakage 62 Engine oil leakage 62 Checking power trim and tilt SYSTEM orir met ates 62 Checking propeller
3. an accident ANT Tiller control models Remote control models 1 Place the throttle grip in the fully closed 1 Pull up the neutral interlock trigger if position equipped and move the remote control lever quickly and firmly from neutral to forward ZMU05219 2 Move the gear shift lever quickly and firmly from neutral to reverse ZMU05221 ZMU04597 Remote control models 1 Pull up the neutral interlock trigger if equipped and move the remote control lever quickly and firmly from neutral to reverse 39 Operation ZMU04598 EMU27820 Stopping engine Before stopping the engine first let it cool off for a few minutes at idle or low speed Stop ping the engine immediately after operating at high speed is not recommended EMU27844 Procedure 1 Push and hold the engine stop button or turn the main switch to OFF off ZMU05209 ZMU04600 ZMU05223 2 After stopping the engine disconnect the fuel line if there is a fuel joint on the outboard motor 3 Tighten the air vent screw on the fuel tank cap if equipped 4 Remove the key if the boat will be left unattended NOTE The engine can also be stopped by pulling the lanyard and removing the lock plate from the engine stop switch then turning the main 40 Operation switch to OFF off EMU27861 Trimming outboard motor The trim angle of the outboard motor helps determi
4. eeeeeeeee 63 Removing the propeller nsss 64 Installing the Propeller 5 64 Changing gear oil 65 Inspecting and replacing anode s 66 Checking battery for electric start models arisin 67 Connecting the battery 67 Disconnecting the battery 68 Checking top Cowling eee 68 Coating the boat bottom 68 Trouble Recovery 69 Troubleshooting 69 Temporary action in emergency 72 Impact damage sece 72 Running single engine 72 Replacing fuse s e 73 Power trim and tilt power tilt will NOT operatorini 73 Starter will not operate 74 Emergency starting engine 74 Treatment of submerged motor 75 Procedure 76 Consumer information s 212 77 Important warranty information for U S A and Canada cce 77 YAMAHA MOTOR CORPORATION U S A FOUR STROKE OUTBOARD MOTOR THREE YEAR LIMITED WARRANTY IMPORTANT WARRANTY Table of contents INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE USA OR CANADA Lee 81 General information EMU25170 Identification numbers record EMU25182 Outboard motor serial number The outboard motor serial number is stamped on the label attached to the port side of the clamp bracket or the upper part of the swivel bracket Record your outboard motor serial number in the spaces provided to assist you in ordering spare parts from your Y
5. 1 Trim tab Basic components 2 Bolt 3 Cap 1 Top cowling lock lever s ZMU01863 EMU26340 Tilt support lever for power trim and tilt or hydro tilt model To keep the outboard motor in the tilted up position lock the tilt support lever to the 1 clamp bracket T E ZMU04226 1 Top cowling lock lever s EMU26460 Flushing device This device is used to clean the cooling wa ter passages of the motor using a garden hose and tap water ZMU03979 1 Tilt support lever NOTE For details on usage see page 53 EMU26382 Top cowling lock lever pull up type To remove the engine top cowling pull up the lock lever s and lift off the cowling When installing the cowling check to be sure it fits properly in the rubber seal Then lock the cowling by moving the lever s down ward 20 Basic components ZMU04256 1 Flushing device EMU26300 Warning indicator If the engine develops a condition which is cause for warning the indicator lights up For details on how to read the warning indicator see page 28 ZMU05214 EMU26470 Tachometer This gauge shows the engine speed and has the following functions 21 ZMU04578 1 Tachometer 2 Warning indicator s EMU26491 Digital tachometer The tachometer shows the engine speed and has the following functions NOTE All segments of the display will light momen tarily after the main switch is tu
6. Gasoline and its vapors are highly flam mable and explosive Keep away from sparks cigarettes flames or other sources of ignition 1 Remove the fuel tank cap 2 Carefully fill the fuel tank 3 Securely close the cap after filling the tank Wipe up any spilled fuel EMU27270 Ring Free Fuel Additive Gasoline is a precise blend of many different substances each chosen to give certain characteristics Gasoline blends have been changing in recent years in response to con cerns about pollution and resulting emis sions regulations One of the most obvious changes has been the elimination of lead from most fuels As gasoline has changed the amount of ad ditives such as aromatics and oxygenates has increased These additives are impor tant for the engines in passenger cars but they can have detrimental effects in marine engines because of increased deposits in the combustion chamber When enough de posits collect piston rings begin sticking Performance drops and engine wear in creases dramatically While many additives available may reduce deposits Yamaha recommends the use of Ring Free Fuel Additive available from your Yamaha dealer Ring Free Fuel Addi tive has repeatedly proven its ability to clean combustion deposits from inside the engine notably the critical piston ring land area and fuel system components Follow product la beling for use instructions EMU27450 Operating engine EMU27480 Feeding f
7. SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS SO THE ABOVE LIMITATIONS MAY NOT APPLY TO YOU ALSO EXCLUDED FROM THIS WARRANTY ARE ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES INCLUDING LOSS OF USE SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSE QUENTIAL DAMAGES SO THE ABOVE EXCLUSION MAY NOT APPLY TO YOU THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE YAMAHA MOTOR CORPORATION U S A Post Office Box 6555 Cypress California 90630 ZMU01688 80 Consumer information EMU29841 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE USA OR CANADA Welcome to the Yamaha Family Congratulations on the purchase of your new Yamaha Products Yamaha is commit ted to exceptional customer satisfaction and we want your ownership experience to be a satisfying one Please read the following warranty information to help ensure satisfaction with your Yamaha This model was manufactured as a USA specification model and the warranty statement shown in this manual is for the United States market Please note the following information 1 As explained in the Limited Warranty Statement the Yamaha warranty covers your Yamaha when it is registered and used in the United States or Canada 2 If you need repairs while temporarily using your Yamaha in another country contact the local authorized Yamaha distributor for
8. on ZMU02334 oo Grr ONSTART OFF ONSTART GR le ZMU04589 ZMU05216 5 Insert the knotted end of the emergency starter rope into the notch in the flywheel rotor and wind the rope around the fly wheel clockwise 6 Pull the rope slowly until resistance is felt 7 Remove the rope from the flywheel tem porarily 8 Rewind the rope around the flywheel ap proximately 3 4 of a turn clockwise 9 Give a strong pull straight out to crank and start the engine Repeat if neces sary EMU29760 Treatment of submerged motor If the outboard motor is submerged immedi ately take it to a Yamaha dealer Otherwise some corrosion may begin almost immedi ately If you cannot immediately take the outboard motor to a Yamaha dealer follow the proce Trouble Recovery dure below in order to minimize engine dam age EMU29790 Procedure 1 Thoroughly wash away mud salt sea weed and so on with fresh water 2 Remove the spark plugs and face the spark plug holes downward to allow any water mud or contaminants to drain 3 Drain the fuel from the vapor separator fuel filter and fuel line 4 Feed fogging oil or engine oil through the intake manifold and spark plug holes while cranking with the emergency start er rope 5 Take the outboard motor to a Yamaha dealer as soon as possible ECMO0400 CAUTION Do not attempt to run the outboard motor until it has been c
9. sua e Stop engine before refueling o Refuel in a well ventilated area Refuel GASOLINE AND ITS VAPORS ARE HIGH portable fuel tanks off the boat LY FLAMMABLE AND EXPLOSIVE e Take care not to spill gasoline If gaso e Do not smoke when refueling and keep line spills wipe it up immediately with General information dry rags e Do not overfill the fuel tank e Tighten the filler cap securely after re fueling e If you should swallow some gasoline inhale a lot of gasoline vapor or get gasoline in your eyes get immediate medical attention e If any gasoline spills onto your skin im mediately wash with soap and water Change clothing if gasoline spills on it e Touch the fuel nozzle to the filler open ing or funnel to help prevent electro static sparks ECMO0010 CAUTION Use only new clean gasoline which has been stored in clean containers and is not contaminated with water or foreign mat ter EMU25570 Gasoline If knocking or pinging occurs use a different brand of gasoline or premium unleaded fuel Recommended gasoline Regular unleaded gasoline with a min imum octane rating of 86 Pump Oc tane Number R M 2 Gasohol There are two types of gasohol gasohol con taining ethanol and that containing metha nol Gasohol containing ethanol can be used if ethanol content does not exceed 10 and the fuel meets minimum octane ratings Yamaha does not recommended gasohol containing methanol b
10. clude nausea dizziness and drowsiness Keep cockpit and cabin areas well ventilat ed Avoid blocking exhaust outlets Check throttle shift and steering for prop er operation before starting the engine Attach the engine stop switch lanyard cord to a secure place on your clothing or your arm or leg while operating If you acciden tally leave the helm the cord will pull from the switch stopping the engine e Know the marine laws and regulations where you will be boating and obey them For basic boating rules see Rules of the road on page 5 e Stay informed about the weather Check weather forecasts before boating Avoid boating in hazardous weather e Tell someone where you are going leave a Float Plan with a responsible person Be sure to cancel the Float Plan when you re turn e Use common sense and good judgment when boating Know your abilities and be sure you understand how your boat han dles under the different boating conditions you may encounter Operate within your limits and the limits of your boat Always operate at safe speeds and keep a careful watch for obstacles and other traffic e Always watch carefully for swimmers dur ing the engine operation e Stay away from swimming areas e When a swimmer is in the water near you shift into neutral and shut off the engine e Do not illegally discard empty containers used to replace or replenish oil For the correct processing of empty containers
11. Bow Down Too much trim in causes the boat to plow through the water decreasing fuel economy and making it hard to increase speed Oper ating with excessive trim in at higher speeds also makes the boat unstable Resistance at the bow is greatly increased heightening the danger of bow steering and making opera tion difficult and dangerous 43 ZMU01786 NOTE Depending on the type of boat the outboard motor trim angle may have little effect on the trim of the boat when operating EMU27933 Tilting up and down If the engine will be stopped for some time or if the boat is moored in shallows the out board motor should be tilted up to protect the propeller and casing from damage by colli sion with obstructions and also to reduce salt corrosion EWM00220 Be sure all people are clear of the out board motor when tilting up and down also be careful not to pinch any body parts between the drive unit and engine bracket EWM00250 Leaking fuel is a fire hazard If there is a fuel joint on the outboard motor discon nect the fuel line or close the fuel cock if the engine will be tilted for more than a few minutes Otherwise fuel may leak ECM00241 CAUTION e Before tilting the outboard motor stop the engine by following the procedure Operation on page 40 Never tilt the outboard mo tor while the engine is running Severe damage from overheating can result e Do not tilt up the engine by push
12. Give Way vessel This means that the other vessel is expected to maintain its course and speed You must stay out of its way until you are clear of it Likewise if an other vessel is passing you you should maintain your speed and direction so that the other vessel can steer itself around you EMU25530 Other special situations There are three other rules you should be aware of when driving your boat around oth er vessels Narrow channels and bends When navigating in narrow channels you should keep to the right when it is safe and practical to do so If the operator of a power driven vessel is preparing to go around a General information bend that may obstruct the view of other wa ter vessels the operator should sound a pro longed blast on the whistle 4 to 6 seconds If another vessel is around the bend it too should sound the whistle Even if no reply is heard however the vessel should still pro ceed around the bend with caution If you navigate such waters with your boat you will need to carry a portable air horn available from local marine supply stores Fishing vessel right of way All vessels which are fishing with nets lines or trawls are considered to be fishing ves sels under the International Rules Vessels with trolling lines are not considered fishing vessels Fishing vessels have the right of way regardless of position Fishing vessels cannot however impede the passage of other vessels in
13. The power trim and tilt system adjusts the outboard motor angle in relation to the tran som Pushing the switch UP up trims the outboard motor up then tilts it up Pressing the switch DN down tilts the outboard mo tor down and trims it down When the switch is released the outboard motor will stop in its current position 1 1 Power trim and tilt switch NOTE e On the dual engine control the switch on 19 the remote control grip controls both out board motors at the same time e For instructions on using the power trim and tilt switches see pages 41 and 43 EMU26241 Trim tab with anode The trim tab should be adjusted so that the steering control can be turned to either the right or left by applying the same amount of force EWMO0840 An improperly adjusted trim tab could cause difficult steering Always test run after the trim tab has been installed or re placed to be sure steering is correct Be sure you have tightened the bolt after ad justing the trim tab If the boat tends to veer the left port side turn the trim tab rear end to the port side A in the figure If the boat tends to veer the right starboard side turn the trim tab end to the starboard side B in the figure ECM00840 CAUTION The trim tab also serves as an anode to protect the engine from electrochemical corrosion Never paint the trim tab as it will become ineffective as an anode ZMU02525
14. ZMU03274 6 When the oil begins to flow out of the oil level plug hole insert and tighten the oil level plug 7 Insert and tighten the gear oil drain screw Maintenance EMU29312 Inspecting and replacing anode s Yamaha outboard motors are protected from corrosion by sacrificial anodes Inspect the external anodes periodically Remove scales from the surfaces of the anodes Consult a Yamaha dealer for replacement of external anodes ECM00720 CAUTION Do not paint anodes as this would render them ineffective NOTE Inspect ground leads attached to external anodes on equipped models Consult a Yamaha dealer for inspection and replace ment of internal anodes attached to the pow er unit ZMU01901 ZMU04008 66 Maintenance EMU29320 Checking battery for electric start models EWM00330 Battery electrolytic fluid is dangerous it contains sulfuric acid and therefore is poisonous and highly caustic Always follow these preventive mea sures e Avoid bodily contact with electrolytic fluid as it can cause severe burns or permanent eye injury e Wear protective eye gear when han dling or working near batteries Antidote EXTERNAL e SKIN Flush with water e EYES Flush with water for 15 minutes and get immediate medical attention Antidote INTERNAL e Drink large quantities of water or milk followed by milk of magnesia beaten egg or vegetable oil Get immediate medical atte
15. Growth of marine organism on motor surfaces Normal deterioration Dna ZMU01687 79 Consumer information SPECIFIC PARTS EXCLUDED FROM WARRANTY Parts replaced due to normal wear or routine maintenance such as oil spark plugs shear pins propellers hubs fuel and oil filters brushes for the starter motor and power tilt motor water pump impellers and anodes are not covered by warranty Charges for removal of the motor from a boat and transporting the motor to and from an authorized Yamaha Outboard Motor Dealer are exclud ed from warranty coverage Specific parts excluded from the second and third year of warranty if applicable are Top and Bottom Cowling Electric Components other than ignition system Rubber Components such as hoses tubes rubber seals fittings and clamps TRANSFER OF WARRANTY Transfer of the warranty from the original purchaser to any subsequent purchaser is possible by having the motor inspected by an authorized Yamaha Outboard Motor Dealer and requesting the dealer to submit a change of registration to Yamaha Motor Corporation U S A within ten 10 days of the transfer YAMAHA MOTOR CORPORATION U S A MAKES NO OTHER WARRANTY OF ANY KIND EXPRESSED OR IMPLIED ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE WHICH EXCEED THE OBLIGATIONS AND TIME LIMITS STATED IN THIS WARRANTY ARE HEREBY DISCLAIMED BY YAMAHA MOTOR CORPORATION U S A AND EXCLUDED FROM THIS WARRANTY
16. PO RE re Ria 23 Speedometer digital type 23 Trim meter 23 Trim meter digital type 0 24 Hour meter digital type 24 Tip meter inside 24 Clock ieii iia i eie 25 Fuel gauge 25 Fuel warning indicator 25 Low battery voltage warning INCICALOF ere eee enr ae 26 Fuel management meter 26 Fuel flow Meter 26 Fuel consumption meter 27 Fuel economy 27 Twin engine speed synchronizer 28 Warning system 28 Overheat warning twin engines 29 Low oil pressure warning e 30 Operation 31 Installation 31 Mounting the outboard motor 31 Breaking in engine aee 32 Procedure for 4 stroke models 32 Preoperation checks 06 32 Fuels accstesetee anis ne 33 Conittols a e aa E Pise 33 ENgQin nee inea et 33 Checking the engine oil level 33 Filling fuel 34 Ring Free Fuel Additive 34 Table of contents Operating engine 34 Feeding fuel 34 Starting engine 35 Warming up engine 38 Manual start and electric start models sn acini tek 38 SIPING a erana onenac 38 Forward tiller handle and remote control Models 38 Reverse automatic reverse lock and power trim and tilt models 39 Stopping engine s es 40 Procedure
17. Q Is thermostat faulty or clogged A Have serviced by a Yamaha dealer Q Are carburetor adjustments incorrect A Have serviced by a Yamaha dealer Q Is fuel pump damaged A Have serviced by a Yamaha dealer Q Is air vent screw on fuel tank closed A Open air vent screw Q Is choke knob pulled out A Return to home position Q Is motor angle too high A Return to normal operating position Q Is carburetor clogged A Have serviced by a Yamaha dealer Q Is fuel joint connection incorrect A Connect correctly Q Is throttle valve adjustment incorrect A Have serviced by a Yamaha dealer Q Is battery cable disconnected A Connect securely Warning buzzer sounds or indicator lights Q Is cooling system clogged A Check water intake for restriction Q Is engine oil level low A Fill oil tank with specified engine oil Q Is heat range of spark plug incorrect A Inspect spark plug and replace it with rec ommended type Q Is specified engine oil not being used A Check and replace oil with specified type Q Is engine oil contaminated or deteriorat ed A Replace oil with fresh specified type Q Is oil filter clogged A Have serviced by a Yamaha dealer Q Has oil feed injection pump malfunc tioned 70 Trouble Recovery A Have serviced by a Yamaha dealer Q Is load on boat improperly distributed A Distribute load to place boat on an even plane Q Is water pu
18. consult the dealer where you purchased the oil e When replacing oils used to lubricate the product engine or gear oil be sure to wipe away any spilt oil Never pour oil with out using a funnel or similar device If nec essary verify the necessary replacement procedure with the dealer e Never illegally discard dump the product Yamaha recommends consulting the deal er on discarding the product Be informed about boating safety Additional publications and information can be obtained General information from many organizations including the fol lowing United States Coast Guard Consumer Affairs Staff G BC Office of Boating Public and Consumer Af fairs U S Coast Guard Headquarters Washington D C 20593 0001 Boating Safety Hotline 1 800 368 5647 National Marine Manufacturers Associa tion NMMA 401 N Michigan Ave Chicago II 60611 Marine Retailers Association of America 155 N Michigan Ave Chicago II 60601 EMU25382 Important labels EMU25395 Warning labels ZMU04275 EMU25401 Label EWM01260 e Be sure shift control is in neutral before starting engine except 2HP e Do not touch or remove electrical parts when starting or during operation e Keep hands hair and clothes away from flywheel and other rotating parts while engine is running General information EMU25413 Label counter rotation models EWMO1281 Use only a counterclockwise rotation propell
19. each throttle position Choose the setting that offers the best performance and fuel economy for the desired operation ZMU05206 1 Throttle indicator EMU25970 Throttle friction adjuster A friction device provides adjustable resis tance to movement of the throttle grip or the remote control lever and can be set accord ing to operator preference To increase resistance turn the adjuster clockwise To decrease resistance turn the adjuster counterclockwise EWMO0030 Do not overtighten the friction adjuster If there is too much resistance it could be Basic components difficult to move throttle lever or grip which could result in an accident ZMU01714 ZMU04646 ZMU05207 When constant speed is desired tighten the adjuster to maintain the desired throttle set ting EMU25990 Engine stop lanyard switch The lock plate must be attached to the en gine stop switch for the engine to run The lanyard should be attached to a secure place on the operator s clothing or arm or leg Should the operator fall overboard or leave the helm the lanyard will pull out the lock plate stopping ignition to the engine This will prevent the boat from running away un der power EWMO00120 e Attach the engine stop switch lanyard to a secure place on your clothing or your arm or leg while operating e Do not attach the lanyard to clothing that could tear loose Do not route the lanyard where it coul
20. engine speed r min between the port and star board engines for reference purposes when synchronizing the two engines speeds Press the mode mode button repeatedly until the indicator on the face of the gauge points to SYNC synchronizer FUEL MANAGEMENT ra pm KoL ae mpg TTL ECON SYNC ZMU01753 FUEL MANAGEMENT ZMU01754 1 Port engine speed is higher 2 Port engine speed is slightly higher 3 Engine speed is synchronized evenly between port and starboard engines 4 Starboard engine speed is slightly higher 5 Starboard engine speed is higher NOTE If the two engines speeds are not synchro nized while cruising they can be synchro nized by adjusting trim angle or throttle EMU26801 Warning system ECM00090 CAUTION Do not continue to operate the engine if a warning device has activated Consult your Yamaha dealer if the problem can 28 Basic components not be located and corrected EMU30340 Overheat warning twin engines This engine has an overheat warning device If the engine temperature rises too high the warning device will activate Activation of warning device e Engine speed will automatically decrease to 2000 3500 r min ZMU03025 START OFF ori B La ZMU04746 ZMU04584 e f equipped with an overheat warning indi cator it will light If the warning system has activated stop the engine and check the cooling water i
21. mounting should show you how to mount your motor Mount the outboard motor on the center line keel line of the boat and ensure that the boat itself is well balanced Otherwise the boat will be hard to steer For boats without a keel or which are asymmetrical consult your dealer a ZMU01760 1 Center line keel line Operation DEA ZMU01761 1 1 Center line keel line EMU26930 Mounting height boat bottom To run your boat at optimum efficiency the water resistance drag of the boat and out board motor must be made as little as possi ble The mounting height of the outboard motor greatly affects the water resistance If the mounting height is too high cavitation tends to occur thus reducing the propulsion and if the propeller tips cut the air the engine speed will rise abnormally and cause the en gine to overheat If the mounting height is too low the water resistance will increase and thereby reduce engine efficiency Mount the outboard motor so that the anti cavitation plate is in alignment with the bottom of the boat ZMU01874 NOTE e The optimum mounting height of the out board motor is affected by the boat motor combination and the desired use Test runs at different heights can help deter mine the optimum mounting height Con sult your Yamaha dealer or boat manufacturer for further information on de termining the proper mounting height e For instructions on setting
22. narrow channels Sailing vessel right of way Sailing vessels should normally be given the right of way The exceptions to this are 1 When the sailing vessel is overtaking the power driven vessel the power driv en vessel has the right of way 2 Sailing vessels should keep clear of any fishing vessel 3 In a narrow channel a sailing vessel should not hamper the safe passage of a power driven vessel which can navi gate only in such a channel Reading buoys and other markers The waters of the United states are marked for safe navigation by the lateral system of buoyage Simply put buoys and markers have an arrangement of shapes colors numbers and lights to show which side of the buoy a boater should pass on when navigat ing in a particular direction The markings on these buoys are oriented from the perspec tive of being entered from seaward the boat er is going towards the port This means that red buoys are passed on the starboard right side when proceeding from open wa ter into port and black buoys are to port left side When navigating out of port your posi tion with respect to the buoys should be re versed red buoys should be to port and black buoys to starboard Many bodies of water used by boaters are entirely within the boundaries of a particular state The Uniform State Waterway Marking System has been devised for these waters This system uses buoys and signs with dis tinctive shapes and colors
23. that country Yamaha will work with that dis tributor to make the needed repairs as quickly as possible If you have to pay for a repair that you believe your warranty would have covered at home present all repair orders receipts or other related documents to your local dealer when you return home He will be able to contact Yamaha on your behalf to see if any refund can be provided NOTE Your Yamaha model may not be sold in some countries Therefore a Yamaha dealer out side the United States or Canada may not have all of the replacement parts or technical information available to provide proper service This may unavoidably delay repairs Thank you for your understanding should this happen 3 If your Yamaha is registered or used primarily outside the United States or Canada the warranty printed in this manual does not apply to you Contact the dealer who sold the Yamaha marine power unit to you for customer support information ZMU05199 81 YAMAHA YAMAHA MOTOR CORPORATION USA Printed in Japan May 2005 2 1x 1 A Printed on raecycled paper VAMAHA OUTBOARD MOTOR WARRANTY REGISTRATION ENREGISTREMENT DE LA GARANTIE DU MOTEUR HORS BORD Please complete and mail this card This information is necessary to accurately register your unit for warranty Veuillez signer ci dessous pour attester que le montage et l inspection ont t faits dans le respect des directives d inspection et que la marche suivre pour la garantie
24. the boat read any own ers or operators manuals supplied with it and all labels Be sure you understand each item before operating e Do not overpower the boat with this out board motor Overpowering the boat could result in loss of control The rated power of the outboard should be equal to or less than the rated horsepower capacity of the boat If the rated horsepower capacity of the boat is unknown consult the dealer or boat manufacturer Do not modify the outboard Modifications could make the motor unfit or unsafe to use e Incorrect propeller selection and incorrect use may not only cause engine damage but also adversely affect fuel consumption Consult your dealer for correct use Never operate after drinking alcohol or tak ing drugs About 50 of all boating fatali ties involve intoxication Have an approved personal flotation de vice PFD on board for every occupant It is a good idea to wear a PFD whenever boating At a minimum children and non swimmers should always wear PFDs and everyone should wear PFDs when there are potentially hazardous boating condi tions Gasoline is highly flammable and its va pors are flammable and explosive Handle and store gasoline carefully Make sure there are no gas fumes or leaking fuel be fore starting the engine This product emits exhaust gases which contain carbon monoxide a colorless odorless gas which may cause brain dam age or death when inhaled Symptoms in
25. the trim angle of the outboard motor see page 41 EMU30172 Breaking in engine Your new engine requires a period of break in to allow mating surfaces of moving parts to wear in evenly Correct break in will help en sure proper performance and longer engine life ECM00800 CAUTION Failure to follow the break in procedure could result in reduced engine life or even severe engine damage EMU27080 Procedure for 4 stroke models Run the engine under load in gear with a propeller installed as follows 1 For the first hour of operation Run the engine at 2000 r min or at ap proximately half throttle 2 For the second hour of operation Run the engine at 3000 r min or at ap proximately three quarter throttle 3 For the next eight hours of operation Avoid continuous operation at full throt tle for more than five minutes at a time 4 After the first 10 hours Operate the engine normally EMU27102 Preoperation checks EWM00080 If any item in the preoperation check is 32 Operation not working properly have it inspected and repaired before operating the out board motor Otherwise an accident could occur ECM00120 CAUTION Do not start the engine out of water Over heating and serious engine damage can occur EMU27111 Fuel e Check to be sure you have plenty of fuel for your trip e Make sure there are no fuel leaks or gaso line fumes e Check fuel line connections to be sure the
26. to show regulato ry or advisory information These markers are white with black letters and orange boarders They signify speed zones restrict ed areas danger areas and general infor mation Remember markings may vary by geo graphic location Always consult local boat ing authorities before driving your boat in unfamiliar waters General information MAIN CHANNEL BUOYS wage ge ne LIGHTED BUOY Port Hand Odd number increasing toward head of naviga tion Leave to port left proceeding upstream White Light Green Light OR old new COLOR CODE eipig E BLACK O RED Q LIGHTED BUOY Starboard Hand 5 Even number increasing toward head of naviga LA GREEN tion Leave to starboard right proceeding up gt stream a White Light Red Light LIGHTED SAFE WATER BUOY Proceeding toward head No number Marks midchannel pass on either of navigation from seaward side Letter has no lateral significance used for identification and location purposes Top Mark White Light White Light CAN BUOY Odd number Leave to port g tt RG T6 LIGHTED PREFERRED CHANNEL TO NUN BUOY PORT BUOY Even number Leave to starboard No number Topmost band red preferred channel is to left of buoy Letter has no lateral significance used for identification and location purposes Write Light Red Light old new No change ZMU01708 EMU25540 away from sparks flames or other pupting instructions sources of ignition
27. to the nor ZMU01935 mal running position press the power trim tilt switch and slowly tilt the out board motor down EMU28191 Cruising in other conditions Cruising in salt water After operating in salt water wash out the cooling water passages with fresh water to prevent them from becoming clogged with salt deposits 47 Operation NOTE For cooling system flushing instructions see page 50 Cruising in turbid water Yamaha strongly recommends that you use the optional chromium plated water pump kit not available for some models if you use the outboard motor in turbid muddy water conditions 48 Maintenance EMU28217 Specifications Dimension Overall length 825 mm 82 5 in Overall width 498 mm 19 6 in Overall height L F115TR 1609 mm 63 3 in Overall height X 1736 mm 68 3 in Transom height L F115TR 516 mm 20 3 in Transom height X 643 mm 25 3 in Weight without propeller L F115TR 183 0 kg 403 Ib Weight without propeller X 188 0 kg 414 Ib Performance Full throttle operating range 5000 6000 r min Maximum output 84 6 kW 5500 r min 115 HP 5500 r min Idling speed in neutral 750 50 r min Engine Type 4 stroke L Displacement 1741 0 cm 106 24 cu in Bore x stroke 79 0 x 88 8 mm 3 11 x 3 50 in Ignition system TCl Spark plug NGk LFR6A 11 Spark plug gap 1 0 1 1 mm 0 039 0 043 in Control system Remote control Starting sys
28. with a minimum of tools can perform the fol 50 Maintenance lowing procedures ECM01080 CAUTION e To prevent problems which can be caused by oil entering the cylinder from the sump keep the outboard motor in the attitude shown when transporting and storing it If storing or transporting the outboard motor on its side not up right put it on a cushion after draining the engine oil e Do not place the outboard motor on its side before the cooling water has drained from it completely otherwise water may enter the cylinder through the exhaust port and cause engine trou ble e Store the outboard motor in a dry well ventilated place not in direct sunlight EMU28301 Procedure EMU28380 Flushing with the flushing attachment 1 Wash the outboard motor body using fresh water For further information see page 54 2 Fill the fuel tank with fresh fuel and add one ounce of Yamaha Fuel Conditioner and Stabilizer Part No LUB FUELC 12 00 to each gallon of fuel NOTE The use of Yamaha Fuel Conditioner and Stabilizer eliminates the need to drain the fuel system Consult your Yamaha dealer or other qualified mechanic if the fuel system is to be drained instead 3 Remove the top cowling and silencer cover cap Remove the propeller 4 Install the flushing attachment over the 51 cooling water inlet ECM00300 CAUTION Do not run the engine without supplying it with cooling water Either
29. 5 EMU29281 Changing gear oil EWM00800 e Be sure the outboard motor is securely fastened to the transom or a stable stand You could be severely injured if the outboard motor falls on you e Never get under the lower unit while it is tilted even when the tilt support lever or knob is locked Severe injury could occur if the outboard motor accidental ly falls 1 Tilt the outboard motor so that the gear oil drain screw is at the lowest point pos sible 2 Place a suitable container under the gear case 3 Remove the gear oil drain screw ZMU03273 1 Gear oil drain screw 2 Oil level plug NOTE If the magnetic gear oil drain screw equipped remove all metal particles from the screw before installing it 4 Remove the oil level plug to allow the oil to drain completely ECM00710 CAUTION Inspect the used oil after it has been drained If the oil is milky water is getting into the gear case which can cause gear damage Consult a Yamaha dealer for re pair of the lower unit seals NOTE For disposal of used oil consult your Yamaha dealer 5 With the outboard motor in a vertical po sition and using a flexible or pressur ized filling device inject the gear oil into the gear oil drain screw hole Recommended gear oil Hypoid gear oil SAE 90 Gear oil quantity F115TR 760 0 cm 25 70 US oz 26 81 Imp oz LF115TR 715 0 cm 24 17 US oz 25 22 Imp oz
30. EMU29171 Checking propeller EWM00321 You could be seriously injured if the en gine accidentally starts when you are near the propeller e Before inspecting removing or install ing the propeller remove the spark plug caps from the spark plugs Also place the shift control in neutral turn the main switch to OFF off and re move the key and remove the lanyard from the engine stop switch Turn off the battery cut off switch if your boat has one e Do not use your hand to hold the pro peller when loosening or tightening the propeller nut Put a wood block be tween the anti cavitation plate and the propeller to prevent the propeller from turning ZMU04262 ZMU01897 Checkpoints e Check each of the propeller blades for wear erosion from cavitation or ventila tion or other damage e Check the propeller shaft for damage e Check the splines shear pin for wear or damage e Check for fish line tangled around the pro peller shaft ZMU01803 e Check the propeller shaft oil seal for dam age NOTE If the shear pin equipped it is designed to break if the propeller hits a hard underwater obstacle to help protect the propeller and drive mechanism The propeller will then spin freely on the shaft If this happens the shear pin must be replaced Maintenance EMU30660 Removing the propeller EMU29194 Spline models 1 Straighten the cotter pin and pull it out using a
31. Place the gear shift lever in neutral ZMU05216 3 Place the throttle grip in the START start position After the engine starts return the throttle to the fully closed po sition ZMU05215 NOTE The start in gear protection device prevents the engine from starting except when in neu tral 2 Attach the engine stop switch lanyard to a secure place on your clothing or your N arm or leg Then install the lock plate on the other end of the lanyard into the en Pe stop switch 4 Turn the main switch to START start A WARNING and hold it for a maximum of 5 seconds e Attach the engine stop switch lanyard to a secure place on your clothing or your arm or leg while operating e Do not attach the lanyard to clothing that could tear loose Do not route the ZMU05217 35 Operation ZMU05218 5 Immediately after the engine starts re lease the main switch and allow it to re turn to ON on ECM00191 CAUTION e Never turn the main switch to START start while the engine is running e Do not keep the starter motor turning for more than 5 seconds If the starter motor is turned continuously for more than 5 seconds the battery will be quickly discharged thus making it im possible to start the engine The starter can also be damaged If the engine will not start after 5 seconds of cranking return the main switch to ON on wait 10 secon
32. TE If any leaks are found consult your Yamaha dealer EMU29153 Checking power trim and tilt system EWM00430 e Never get under the lower unit while it is tilted even when the tilt support lever is locked Severe injury could occur if the outboard motor accidentally falls e Make sure no one is under the outboard motor before performing this test 1 Check the power trim and tilt unit for any sign of oil leaks 2 Operate each of the power trim and tilt switches on the remote control and en gine bottom cowling if equipped to check that all switches work 3 Tilt the outboard motor up and check that the tilt rod and trim rods are extend ed completely ZMU02633 1 Tilt rod 62 Maintenance 2 Trim rods 3 Tilt support lever 4 Use the tilt support lever to lock the mo tor in the up position Operate the tilt down switch briefly so the motor is sup ported by the tilt support lever ZMU02634 1 Tilt support lever 5 Check that the tilt rod and trim rods are free of corrosion or other flaws 6 Activate the tilt down switch until the trim rods have retracted completely into the cylinders ZMU02635 7 Activate the trim up switch until the tilt rod is fully extended Unlock the tilt sup port lever 8 Tilt the outboard motor down Check that the tilt rod and trim rods operate smoothly 63 NOTE Consult your Yamaha dealer if any operation is abnormal
33. U04280 1 Fuse puller EMU29522 Power trim and tilt power tilt will not operate If the engine cannot be tilted up or down with Trouble Recover the power trim and tilt the power tilt because of a discharged battery or a failure with the power trim and tilt unit the power tilt unit the engine can be tilted manually 1 Loosen the manual valve screw by turn ing it counterclockwise until it stops ZMU03464 1 Manual valve screw 2 Put the engine in the desired position then tighten the manual valve screw by turning it clockwise EMU29540 Starter will not operate If the starter mechanism does not operate the engine cannot be cranked with the start er the engine can be started manually with an emergency starter rope However the en gine cannot be started manually if the battery voltage is low If the battery is discharged to 9 volts or below the electric fuel pump will not operate EWM01020 e Use this procedure only in an emergen cy and only to return to port for repairs e When the emergency starter rope is used to start the engine the start in gear protection device does not oper ate Make sure the remote control lever is in neutral Otherwise the boat could unexpectedly start to move which could result in an accident e Attach the engine stop switch lanyard to a secure place on your clothing or your arm or leg while operating e Do not attach the lanyard to clothing that coul
34. YAMAHA F115 LF115 OWNER S MANUAL U S A Edition LIT 18626 06 75 68V 28199 17 EMU25060 A WARNING The engine exhaust from this product contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm YAMAHA LIT CALIF 65 01 ZMU01690 Read this owner s manual carefully before operating your outboard motor Important manual information EMU31280 To the owner Thank you for choosing a Yamaha outboard motor This Owners Manual contains infor mation needed for proper operation mainte nance and care A thorough understanding of these simple instructions will help you ob tain maximum enjoyment from your new Yamaha If you have any question about the operation or maintenance of your outboard motor please consult a Yamaha dealer In this Owner s Manual particularly important information is distinguished in the following ways A The Safety Alert Symbol means ATTENTION BECOME ALERT YOUR SAFETY IS INVOLVED EWM00780 Failure to follow WARNING instructions could result in severe injury or death to the machine operator a bystander or a person inspecting or repairing the out board motor ECMO0700 CAUTION A CAUTION indicates special precautions that must be taken to avoid damage to the outboard motor NOTE A NOTE provides key information to make procedures easier or clearer Yamaha continually seeks advancements in product design and
35. amaha dealer or for reference in case your outboard motor is sto len 1 Outboard motor serial number location YAMAHA MOTOR CO LTD MADE IN JAPAN PAYS D ORIGINE JAPON ZMU01692 EMU25190 Key number If a main key switch is equipped with the mo tor the key identification number is stamped on your key as shown in the illustration Record this number in the space provided for reference in case you need a new key ZMU01693 ZMU01694 1 Key number EMU25221 Emission control information EMU25230 North American models This engine conforms to U S Environmental Protection Agency EPA regulations for ma rine SI engines See the label affixed to your engine for details EMU25242 Approval label of emission control certif icate This label is attached to the bottom cowling New Technology 4 stroke HPDI EM b ZMU04276 1 Approval label location EMISSION CONTROL INFO ON EM ENGINE FAMILY THIS ENGINE CONFORMS REGULATIONS FOR SI MARINE ENGINES REFER TO THE OWNER S MANUAL FOR MAINTENANCE Serer AND ADJUSTMENTS FEL LL IDLE SPEED EE SPARK PLUG SPARK PLUG GAP m DISPLACEME FUEL GASOLINE ADVERTISED POWER kw VALVE LASH mm INTZ YAMAHA MOTOR CO LTD CALIFORNIA AND U S EPA EMISSION ZMU05159 EMU25262 Manufactured date label This label is attached to the clamp bracket or the swivel bracket
36. ance EMU30562 Maintenance chart NOTE e Refer to the sections in this chapter for explanations of each owner specific action e The maintenance cycle on these charts assume usage of 200 hours per year and regular flushing of the cooling water passages Maintenance frequency should be adjusted ac cording to usage conditions e Disassembly or repairs may be necessary depending on the outcome of maintenance checks e Expendable or consumable parts and lubricants will lose their effectiveness over time and through normal usage regardless of the warranty period e When operating in salt water turbid or muddy water the engine should be flushed with clean water after each use The symbol indicates the check ups which you may carry out yourself The O symbol indicates work to be carried out by your Yamaha dealer Actions Initial Every 10 hours 1 month 50 hours 3 months 200 hours 1 year 100 hours 6 months Anode s external Inspection replace ment 0 0 0 0 Anode s cylinder head thermostat cover Inspection replace ment Battery Inspection charging Cooling water pas sages Cleaning Cowling clamp Fuel filter can be dis assembled Inspection Inspection cleaning Fuel system Inspection Gear oil Change Greasing points Greasing Idling speed EFI mod els Inspection PCV Pressur
37. ard engine An S for starboard will also be displayed e Press the set set button a second time to display the fuel flow of the port engine A P for port will also be displayed e Press the set set button a third time to return the display to the total fuel flow of both engines P S for port and starboard will also be displayed to indicate both the port and starboard engines NOTE e The fuel flow meter displays gallons hour or liters hour according to operator prefer ence Select the desired unit of measure ment by setting the selector switch on the back of the gauge during installation ZMU01750 1 Selector switch 27 e The fuel consumption meter and fuel economy meter will indicate the same unit of measurement EMU26760 Fuel consumption meter This gauge displays the total amount of fuel consumed since the gauge was last reset Press the mode mode button repeatedly until the indicator on the face of the gauge points to total TTL total To reset the total fuel consumption to zero press the set set and mode mode buttons at the same time FUEL MANAGEMENT ZMU01751 EMU26770 Fuel economy This gauge displays the distance per liter or gallon when cruising and is only for refer ence use by the operator Press the mode mode button repeatedly until the indicator on the face of the gauge points to ECON econ
38. ate medical attention Antidote INTERNAL e Drink large quantities of water or milk followed by milk of magnesia beaten egg or vegetable oil Get immediate medical attention Batteries also generate explosive hydro gen gas therefore you should always follow these preventive measures e Charge batteries in a well ventilated ar ea e Keep batteries away from fire sparks or open flames for example welding 52 Maintenance equipment lighted cigarettes and so on e DO NOT SMOKE when charging or han dling batteries KEEP BATTERIES AND ELECTROLYTIC FLUID OUT OF REACH OF CHILDREN Batteries vary among manufacturers There fore the following procedures may not al ways apply Consult your battery manufacturer s instructions Procedure 1 Disconnect and remove the battery from the boat Always disconnect the black negative cable first to prevent the risk of shorting 2 Clean the battery casing and terminals Fill each cell to the upper level with dis tilled water 3 Store the battery on a level surface in a cool dry well ventilated place out of di rect sunlight 4 Once a month check the specific gravity of the electrolyte and recharge as re quired to prolong battery life EMU28441 Flushing power unit Perform this procedure right after operation for the most thorough flushing ECM01530 CAUTION Do not perform this procedure while the engine is running The water pump may be damaged a
39. ck the re maining oil quantity For further infor mation see page 33 TACH 1 Low oil pressure warning indicator EMU26571 Overheat warning indicator If the engine temperature rises too high this indicator will flash For further information on reading the indicator see page 30 ECMO0050 CAUTION Do not continue to run the engine if the overheat warning indicator is on Serious engine damage will occur ZMU04715 22 Basic components EMU26581 Overheat warning indicator digital type If the engine temperature rises too high the warning indicator will start to blink For fur ther information on reading the indicator see page 28 ECMO0050 CAUTION Do not continue to run the engine if the overheat warning indicator is on Serious engine damage will occur TACH 3 ZMU01737 1 Overheat warning indicator EMU26600 Speedometer digital type This gauge shows the boat speed YAMAHA ZMU01738 1 Speedometer 2 Fuel gauge 3 Trip meter clock voltmeter 4 Warning indicator s 23 NOTE After the main switch is first turned on all segments of the display come on as a test After a few seconds the gauge will change to normal operation Watch the gauge when turning on the main switch to make sure all segments come on NOTE The speedometer displays km h mph or knots according to operator preference Se lect the desired unit of measurement by se
40. d become entan gled preventing it from functioning e Avoid accidentally pulling the lanyard during normal operation Loss of en gine power means the loss of most steering control Also without engine power the boat could slow rapidly This could cause people and objects in the boat to be thrown forward NOTE The engine cannot be started with the lock plate removed ZMU01716 1 Lanyard 2 Lock plate 16 Basic components A OFF ou START OFF on START M NA ZMU04564 1 Lanyard 2 Lock plate ZMU05208 1 Lanyard 2 Lock plate EMU26001 Engine stop button To open the ignition circuit and stop the en gine push this button ZMU05209 17 EMU26090 Main switch The main switch controls the ignition system its operation is described below e OFF off With the main switch in the OFF off posi tion the electrical circuits are off and the key can be removed e ON on With the main switch in the ON on posi tion the electrical circuits are on and the key cannot be removed e START start With the main switch in the START start po sition the starter motor turns to start the en gine When the key is released it returns automatically to the ON on position ZMU01718 YAMAHA ZMU04566 Basic components ZMU05210 EMU26141 Power trim and tilt switch on remote control or tiller handl
41. d fuel cock to prevent fuel from leaking e USE CARE when transporting fuel tank whether in a boat or car e DO NOT fill fuel container to maximum capacity Gasoline will expand consid erably as it warms up and can build up pressure in the fuel container This can cause fuel leakage and a potential fire hazard EWM00700 Never get under the lower unit while it is tilted even if a motor support bar is used Severe injury could occur if the outboard Maintenance motor accidentally falls ECMO00660 CAUTION Do not use the tilt support lever or knob when trailering the boat The outboard motor could shake loose from the tilt sup port and fall If the motor cannot be trail ered in the normal running position use an additional support device to secure it in the tilt position The outboard motor should be trailered and stored in the normal running position If there is insufficient road clearance in this position then trailer the outboard motor in the tilt po sition using a motor support device such as a transom saver bar Consult your Yamaha dealer for further details ZMU03659 EMU28280 Storing outboard motor When storing your Yamaha outboard motor for prolonged periods of time 2 months or longer several important procedures must be performed to prevent excessive damage It is advisable to have your outboard motor serviced by an authorized Yamaha dealer prior to storage However you the owner
42. d herein Yamaha peripheral equipment included with the motor such as gauges fuel tanks and hoses remote control boxes and wiring external from the motor unit will be warranted for one 1 year from the date of purchase of either pleasure or commercial use Replacement parts used in warranty repairs will be warranted for the balance of the applicable warranty period The second and third year of warranty if applicable shall be limited to covering the cost of parts and labor for major components only The major components covered are Power Unit Section e Power Head Intake Manifold Carburetor Assembly and its Related Components Fuel Injection System and its Related Components Fuel and Oil Pump Assemblies Ignition System Standard and Microcomputer Lower Unit Section Exhaust System Upper Casing Lower Unit Assembly Bracket Section Bracket System Power Trim and Tilt Assembly WARRANTY REGISTRATION To be eligible for warranty coverage the outboard motor must be registered with Yamaha Motor Corporation U S A Warranty registration can be accomplished by any authorized Yamaha Outboard Motor Dealer Upon receipt of the registration an Owner s Warranty Card will be sent by Yamaha to the registered purchaser OBTAINING REPAIRS UNDER WARRANTY To receive repairs under this warranty a valid Owner s Warranty Card must be presented to an authorized Yamaha Outboard Motor Dealer During the period of warran
43. d tear loose Do not route the cord where it could become entangled preventing it from functioning e Avoid accidentally pulling the lanyard during normal operation Loss of en gine power means the loss of most steering control Also without engine power the boat could slow rapidly This could cause people and objects in the boat to be thrown forward e Be sure no one is standing behind you when pulling the starter rope It could whip behind you and injure someone e An unguarded rotating flywheel is very dangerous Keep loose clothing and other objects away when starting the engine Use the emergency starter rope only as instructed Do not touch the fly wheel or other moving parts when the engine is running Do not install the starter mechanism or top cowling after the engine is running e Do not touch the ignition coil spark plug wire spark plug cap or other elec trical components when starting or op erating the motor You could get an electrical shock EMU29642 Emergency starting engine 1 Remove the top cowling 2 Remove the two bolts holding the fly wheel cover 3 Lift up the rear of flywheel cover and pull it forward to remove it 74 Trouble Recovery 75 ZMU04250 Prepare the engine for starting For fur ther information see page 35 Be sure the engine is in neutral and that the en gine stop switch lanyard lock plate is at tached to the engine stop switch The main switch must be ON
44. ds then crank the engine again NOTE e When the engine is cold it needs to be warmed up For further information see page 38 e If the engine is warm and fails to start open the throttle slightly and try to start the engine again If the engine still fails to start see page 69 EMU27624 Electric start and remote control models 1 Place the remote control lever in N neutral NOTE The start in gear protection device prevents the engine from starting except when in neu tral 4ZMUO1771 LS ZMU04588 2 Attach the engine stop switch lanyard to a secure place on your clothing or your arm or leg Then install the lock plate on the other end of the lanyard into the en gine stop switch EWM00120 e Attach the engine stop switch lanyard to a secure place on your clothing or your arm or leg while operating e Do not attach the lanyard to clothing that could tear loose Do not route the lanyard where it could become entan gled preventing it from functioning e Avoid accidentally pulling the lanyard during normal operation Loss of en 36 Operation 3 NOTE Dual engine users When the main switch is turned on the buzzer operates for a few sec onds then stops automatically The buzzer also operates if one of the engines stalls gine power means the loss of most steering control Also without engine OSaSTART power the boat could slow rapidly This could cause people and object
45. e The power trim and tilt system adjusts the outboard motor angle in relation to the tran som Pressing the switch UP up trims the outboard motor up then tilts it up Pressing the switch DN down tilts the outboard mo tor down and trims it down When the switch is released the outboard motor will stop in its current position NOTE For instructions on using the power trim and tilt switch see pages 41 and 43 ZMU01720 UP a Ca ZMU05211 EMU26151 Power trim and tilt switch on bottom engine cowling The power trim and tilt switch is located on the side of the bottom engine cowling Press ing the switch UP up trims the outboard motor up then tilts it up Pressing the switch DN down tilts the outboard motor down and trims it down When the switch is re leased the outboard motor will stop in its current position EWM01030 Use the power trim and tilt switch located on the bottom engine cowling only when the boat is at a complete stop with the en gine off Attempting to use this switch while the boat is moving could increase the risk of falling overboard and could distract the operator increasing the risk of collision with another boat or an obsta cle 18 Basic components LE 1 Power trim and tilt switch NOTE For instructions on using the power trim and tilt switch see page 48 EMU26161 Power trim and tilt switches twin binnacle type
46. e Con trol Valve Inspection Power trim and tilt unit Inspection Propeller and cotter pin 55 Inspection replace ment Actions Initial Maintenance Every 50 hours 3 months 10 hours 1 month 100 hours 6 months 200 hours 1 year Shift link shift cable Inspection adjustment O Thermostat Inspection replace ment Throttle link throttle cable throttle pick up timing Inspection adjustment Water pump Engine oil Inspection replace ment Inspection change O O O Oil filter cartridge Change Spark plug s Cleaning adjustment replacement Timing belt EMU28874 Inspection replace ment Maintenance chart additional Item Actions Every 500 hours 2 5 years 1000 hours 5 years Timing belt Replacement Valve clearance DOHC Inspection adjustment O Anode s exhaust cover cover joint Replacement Exhaust guide exhaust manifold EMU28910 NOTE Inspection replace ment When using lead or high sulfur gasoline inspecting valve clearance may be required more frequently than every 500 hours 56 Maintenance EMU28931 Greasing Yamaha marine grease Water resistant grease F115 LF115 EMU28952 Cleaning and adjusting spark plug EWM00560 When removing or installing a spark
47. ealer Q Is specified fuel not being used A Replace fuel with specified type Q Is specified engine oil not being used A Check and replace oil with specified type Q Is thermostat faulty or clogged A Have serviced by a Yamaha dealer Q Is air vent screw closed A Open the air vent screw Q Is fuel pump damaged A Have serviced by a Yamaha dealer Trouble Recover Q Is fuel joint connection incorrect A Connect correctly Q Is heat range of spark plug incorrect A Inspect spark plug and replace it with rec ommended type Q Is high pressure fuel pump drive belt bro ken A Have serviced by a Yamaha dealer Q Is engine not responding properly to shift lever position A Have serviced by a Yamaha dealer Engine vibrates excessively Q Is propeller damaged A Have propeller repaired or replaced Q Is propeller shaft damaged A Have serviced by a Yamaha dealer Q Are weeds or other foreign matter tangled on propeller A Remove and clean propeller Q Is motor mounting bolt loose A Tighten bolt Q Is steering pivot loose or damaged A Tighten or have serviced by a Yamaha dealer EMU29432 Temporary action in emergency EMU29440 Impact damage EWM00870 The outboard motor can be seriously damaged by a collision while operating or trailering Damage could make the out board motor unsafe to operate If the outboard motor hits an object in the wa ter follow the pr
48. ecause it can cause fuel system damage or engine performance problems EMU25683 Engine oil Recommended engine oil 4 stroke motor oil with a combination of the following SAE and API oil classi fications Engine oil type SAE 10W 30 or 10W 40 Engine oil grade API SE SF SG SH SJ SL Engine oil quantity excluding oil filter 4 3 L 4 55 US qt 3 78 Imp qt NOTE If the recommended engine oil grades are not available select an alternative from the following chart according to the average temperatures in your area A EN i N EE Gece SN lt ZMU05190 ECM01050 CAUTION All 4 stroke engines are shipped from the factory without engine oil nr Fill engine oil A ada aceite de motor Colocar oleo de motor Faire le plein d huile moteur AINWEANTC RSW BMT IE ZMU01710 EMU25700 Battery requirement ECMO1060 CAUTION Do not use a battery that does not meet the specified capacity If a battery which does not meet specifications is used the electric system could perform poorly or be overloaded causing electric system damage For electric start models choose a battery which meets the following specifications EMU25711 Battery specifications Minimum cold cranking amps CCA SAE 380 0A Minimum marine cranking amps MCA ABYC 502 0 A Minimum reserve capacity RC SAE 124 minutes NOTE The engine cannot be started if battery volt age i
49. er with this engine Counterclockwise propellers are marked with a letter L after the size indication The wrong type of propeller could cause the boat to go in an unexpected direction which could lead to an accident EMU25500 Basic boating rules Rules of the road Just as there are rules which apply when you are driving on streets and high ways there are waterway rules which apply when you are driving your boat These rules are used internationally and are also enforced by the United States Coast Guard and local agen cies You should be aware of these rules and follow them whenever you encounter another vessel on the water Several sets of rules prevail according to geographic location but are all basically the same as the International Rules of the Road The rules presented here in your Owner s Manual are condensed and have been pro vided for your convenience only Consult your local U S Coast Guard Auxiliary or De partment of Motor Vehicles for a complete set of rules governing the waters in which you will be using your boat EMU25510 Steering and sailing rules and sound signals Whenever two vessels on the water meet one another one vessel has the right of way it is called the stand on vessel The vessel which does not have the right of way is called the give way or burdened vessel These rules determine which vessel has the right of way and what each vessel should do Stand on v
50. erage which your dealer cannot provide please contact us directly Yamaha Motor Corporation U S A P O Box 6555 Cypress CA 90630 Attention Customer Relations Department Telephone No 714 761 7439 Fax No 714 761 7559 Yamaha Motor Canada Ltd 480 Gordon Baker Road Toronto Ontario M2H 3B4 Attention Customer Relations Department Telephone No 416 498 1911 Fax No 416 491 3122 ZMU01683 78 Consumer information EMU29830 YAMAHA MOTOR CORPORATION U S A FOUR STROKE OUTBOARD MOTOR THREE YEAR LIMITED WARRANTY Yamaha Motor Corporation U S A hereby warrants that new Yamaha 1999 or later model four stroke outboard motors originally distributed by Yamaha Motor Corporation U S A will be free from defects in material and workmanship for the period of time stated herein subject to certain stated limitations Warranty coverage for outboards distributed by non US Yamaha affiliated companies may be different PERIOD OF WARRANTY Any new Yamaha 1999 or later model four stroke outboard motor purchased and registered with Yamaha Motor Corporation U S A for pleasure use in the United States will be warranted against defects in material or workmanship for a period of three 3 years from the date of purchase subject to exclusions noted herein Any Yamaha outboard motor purchased and utilized for commercial appli cations will be warranted for a period of one 1 year from the date of purchase subject to exclusions note
51. erator To open the throttle without shifting into ei ther forward or reverse push the free accel erator button and move the remote control lever ZMU04575 1 Fully open 2 Fully closed 3 Free accelerator NOTE e The free accelerator button can only be used when the remote control lever is in the neutral position e After the button is pushed the throttle be gins to open after the remote control lever is moved at least 35 e After using the free accelerator return the remote control lever to the neutral position The free accelerator button will return au tomatically to its set position The remote control will then engage forward and re verse normally EMU25911 Tiller handle To change direction move the tiller handle to the left or right as necessary 14 Basic components ZMU05203 EMU25922 Gear shift lever Pulling the gear shift lever towards you puts the engine in forward gear so that the boat moves ahead Pushing the lever away from you puts the engine in reverse gear so that the boat moves astern N 2 ZMU05204 1 Forward F 2 Neutral N 3 Reverse R EMU25941 Throttle grip The throttle grip is on the tiller handle Turn the grip counterclockwise to increase speed and clockwise to decrease speed 15 ZMU05205 EMU25961 Throttle indicator The fuel consumption curve on the throttle indicator shows the relative amount of fuel consumed for
52. essel The vessel with the right of way has the duty to continue its course and speed except to avoid an immediate collision When you maintain your direction and speed the other vessel will be able to determine how best to avoid you Give way vessel The vessel which does not have the right of way has the duty to take positive and timely action to stay out of the way of the Stand On vessel Normally you should not cross in front of the vessel with the right of way You should slow down or change directions brief ly and pass behind the other vessel You should always move in such a way that the operator of the other vessel can see what you are doing The general prudential rule This rule is called Rule 2 in the International Rules and says In obeying and construing these rules due regard shall be had to all dangers of naviga tion and collision and to any special circum stances which may render a departure from the above rules necessary in order to avoid immediate danger In other words follow the standard rules ex cept when a collision will occur unless both vessels try to avoid each other If that is the case both vessels become Give Way ves sels EMU25520 Rules when encountering vessels There are three main situations which you may encounter with other vessels which could lead to a collision unless the Steering Rules are followed Meeting you are approaching another ves sel head on Cros
53. et l entretien a t expliqu e l acheteur au d tail OUTBOARD MOTOR MODEL AND SERIAL NUMBER From I D label on clamp bracket For Dealer Use Only MODELE ET NO DE S RIE DU MOTEUR HORS BORD sur l tiquette d identification de la presse de fixation A l usage du concessionnaire YAMAHA MOTOR CO LTD YAMAHA DEALER NUMBER DEALER NAME YA M A H A HHAH Se ee RARE gt ar 1 MADE IN JAPAN PAYS D ORIGINE JAPON NOM DU CONCESSIONNAIRE DATE SOLD DATE DE LIVRAISON USAGE PLEASURE Check One LOISIR UTILISATION COMMERCIAL En cocher un COMMERCIAL OWNER S NAME NOM DU PROPRIETAIRE ADDRESS ADRESSE FIRST LAST PRENOM NOM DE FAMILLE STREET RUE PHONE NUMBER NUMERO DE TELEPHONE STATE PROVINCE ZIP PROVINCE CODE POSTAL PLACE POSTAGE HERE ATTN WARRANTY DEPARTMENT
54. g indicator if equipped turns off Make sure that there are no oil leaks ECMO00680 CAUTION If the low oil pressure warning indicator does not turn off or if there are oil leaks stop the engine and find the cause Con tinued operation with a problem could cause severe engine damage Consult your Yamaha dealer if the problem can not be located and corrected 6 Turn off the engine and wait 3 minutes Recheck the oil level using the dipstick to be sure the level falls between the up per and lower marks Fill with oil if it is below the lower mark or drain to the specified level if it is above the upper mark ZMU02058 7 Dispose of used oil according to local regulations NOTE e For more information on the disposal of used oil consult your Yamaha dealer e Change the oil more often when operating the engine under adverse conditions such as extended trolling EMU29112 Checking wiring and connectors e Check that each grounding wire is properly secured e Check that each connector is engaged se curely EMU29120 Exhaust leakage Start the engine and check that no exhaust leaks from the joints between the exhaust cover cylinder head and body cylinder Maintenance EMU29130 Water leakage Start the engine and check that no water leaks from the joints between the exhaust cover cylinder head and body cylinder EMU29140 Engine oil leakage Check for oil leaks on the around the engine NO
55. imate of the correct torque is 1 4 to 1 2 a turn past fin ger tight Have the spark plug adjusted to the correct torque as soon as possible with a torque wrench EMU28962 Checking fuel system EWM00060 Gasoline and its vapors are highly flam mable and explosive Keep away from sparks cigarettes flames or other Maintenance sources of ignition EWM00910 Leaking fuel can result in fire or explo sion e Check for fuel leakage regularly e If any fuel leakage is found the fuel system must be repaired by a qualified mechanic Improper repairs can make the outboard unsafe to operate Check the fuel lines for leaks crack or mal function If a problem is found your Yamaha dealer or other qualified mechanic should re pair it immediately ZMU04267 Checkpoints e Fuel system parts leakage e Fuel line joint leakage e Fuel line cracks or other damage e Fuel connector leakage 58 Maintenance EMU28980 Inspecting fuel filter EWM00310 Gasoline is highly flammable and its va pors are flammable and explosive e If you have any question about properly doing this procedure consult your Yamaha dealer e Do not perform this procedure on a hot or running engine Allow the engine to cool e There will be fuel in the fuel filter Keep away from sparks cigarettes flames or other sources of ignition e This procedure will allow some fuel to spill Catch fuel in a rag Wipe up any spilled f
56. ing the tiller handle if equipped because this could break the handle EMU28005 Procedure for tilting up Power trim and tilt models power tilt models 1 Place the remote control lever the gear shift lever in neutral ZMU03196 ZMU04588 ZMU05215 2 Disconnect the fuel line from the out board motor or close the fuel cock Press the power trim and tilt switch power tilt switch UP up until the out board motor has tilted up completely ZMU01787 44 Operation ZMU05226 R Push the tilt support knob into the clamp bracket or pull the tilt support lever to ward you to support the engine ZMU03449 EWM00260 After tilting the outboard motor be sure to support it with the tilt support knob or tilt support lever Otherwise the outboard motor could fall back down suddenly if oil in the power trim and tilt unit loses pres sure 5 Models equipped with trim rods Once the outboard motor is supported with the tilt support lever press the power trim and tilt switch DN down to retract the trim rods ECM00250 CAUTION Be sure to retract the trim rods complete ly during mooring This protects the rods from marine growth and corrosion which could damage the power trim and tilt mechanism ZMU03452 EMU28053 Procedure for tilting down Power trim and tilt models power tilt models 1 Push the power tilt power trim and ti
57. ing to maintain the engine in the proper operating range For instructions on propeller removal and in stallation see page 63 EMU25770 Start in gear protection Yamaha outboard motors or Yamaha ap proved remote control units are equipped with start in gear protection device s This feature permits the engine to be started only when it is in neutral Always select neutral before starting the engine 11 Basic components EMU25796 Main components NOTE May not be exactly as shown also may not be included as standard equipment on all mod els F115 LF115 1 Top cowling 2 Top cowling lock lever s 3 Drain screw 4 Anti cavitation plate 5 Trim tab anode 6 Propeller 7 Cooling water inlet 8 Anode 9 Flushing device 10 Power trim and tilt switch 11 Remote control box side mount type 12 Remote control box binnacle mount type 13 Switch panel for use with binnacle type 14 Tachometer ZMU04773 15 Trim meter 16 Digital speedometer 17 Digital tachometer 18 Fuel management meter EMU26180 Remote control The remote control lever actuates both the shifter and the throttle The electrical switch es are mounted on the remote control box 12 Basic components ZMU01723 1 Power trim and tilt switch 2 Remote control lever 3 Neutral interlock trigger 4 Neutral throttle lever 5 Main switch choke switch 6 Engine sto
58. k to the port soon if a warning de vice has activated For charging the bat tery consult your Yamaha dealer YAMAHA a aa i O09000 ep hie i ZMU01747 1 Low battery indicator EMU26740 Fuel management meter The fuel management meter shows the state of the fuel consumption while the engine is running YAMAHA FUEL MANAGEMENT ZMU01748 1 Fuel flow meter 2 Fuel consumption meter Fuel economy meter Twin engine speed synchronizer 3 Water separator warning indicator operates only if the sensor has been installed NOTE After the main switch is first turned on all segments of the display come on as a test After a few seconds the gauge will change to normal operation Watch the gauge when turning on the main switch to make sure all segments come on EMU26750 Fuel flow meter The fuel flow meter displays the amount of fuel flow over a one hour period at the cur rent rate of engine operation If twin engines are installed on your boat the fuel flow meter displays the total fuel flow of both the port and starboard engines It also displays P S for port and starboard 26 Basic components YAMAHA FUEL MANAGEMENT ETP pare PS BRAA SN VY TTL ECON SYNC ZMU01749 Use the set set button to rotate the fuel flow display in the following order e Press the set set button once to display the fuel flow of the starbo
59. l ventilated vibration free loca tion in the boat Install a fully charged bat tery in the holder ECM01121 CAUTION e Make sure the main switch on applica ble models is OFF off before work ing on the battery e Reversal of the battery cables will dam age the electrical parts e Connect the red battery cable first when installing the battery and discon nect the black battery cable first when removing it Otherwise the electrical parts can be damaged e The electrical contacts of the battery and cables must be clean and properly connected or the battery will not start the engine Connect the red battery cable to the POSI TIVE terminal first Then connect the black battery cable to the NEGATIVE ter minal 1 ZMU01811 1 Red cable 2 Black cable 3 Battery EMU29370 Disconnecting the battery Disconnect the BLACK cable from the NEG ATIVE terminal first Then disconnect the RED cable from the POSITIVE terminal Maintenance EMU29390 Checking top cowling Check the fitting of the top cowling by push ing it with both hands If it is loose have it re paired by your Yamaha dealer ZMU01812 EMU29400 Coating the boat bottom A clean hull improves boat performance The boat bottom should be kept as clean of ma rine growth as possible If necessary the boat bottom can be coated with an anti foul ing paint approved for your area to inhibit marine growth Do not use anti f
60. lt switch UP up until the outboard motor is supported by the tilt rod and the tilt support lever tilt support knob becomes free 2 Release the tilt support lever or pull out the tilt support knob 3 Push the power tilt power trim and tilt switch DN down to lower the outboard motor to the desired position Operation EMU28060 Cruising in shallow water The outboard motor can be tilted up partially DN _ q an to allow operation in shallow water EMU28090 Power trim and tilt models power tilt models The outboard motor can be tilted up partially to allow operation in shallow water ZMU01936 EWM00660 e Place the gear shift in neutral before setting up for shallow water cruising e Return the outboard motor to its normal position as soon as the boat is back in deeper water ECM00260 CAUTION Do not tilt the outboard motor up so that the cooling water inlet on the lower unit is above the surface of the water when set ting up for and cruising in shallow water Otherwise severe damage from overheat ing can result EMU28184 Procedure for power trim and tilt power tilt models 1 Place the gear shift lever in neutral ZMU05228 46 Operation ZMU04588 ZMU05215 2 Slightly tilt the outboard motor up to the desired position using the power trim tilt switch TS ZMU05226 3 To return the outboard motor
61. models 1 Grease the spark plug threads and in stall the spark plug s and torque to proper specification For information on spark plug installation see page 57 2 Change the gear oil For instructions see page 65 Inspect the oil for the pres ence of water that indicates a leaky seal Seal replacement should be performed by an authorized Yamaha dealer prior to use 3 Grease all grease fittings For further de tails see page 57 EMU30261 Cleaning and anticorrosion measures 1 Wash down the exterior of the outboard motor with fresh water and dry off com pletely 2 Spray the outboard motor exterior with Maintenance Yamaha Silicone Protectant Part No LUB SILCNE 13 00 ECM01401 CAUTION Do not spray when the engine is running Also do not spray near the silencer or into the engine Otherwise the engine could be damaged 3 Wax the cowling with a non abrasive wax such as Yamaha Silicone Wax Part No ACC 11000 15 02 EMU28430 Battery care EWM00330 Battery electrolytic fluid is dangerous it contains sulfuric acid and therefore is poisonous and highly caustic Always follow these preventive mea sures e Avoid bodily contact with electrolytic fluid as it can cause severe burns or permanent eye injury e Wear protective eye gear when han dling or working near batteries Antidote EXTERNAL e SKIN Flush with water e EYES Flush with water for 15 minutes and get immedi
62. mp or thermostat faulty A Have serviced by a Yamaha dealer Q Is there excess water in fuel filter cup A Drain filter cup Engine power loss Q Is propeller damaged A Have propeller repaired or replaced Q Is propeller pitch or diameter incorrect A Install correct propeller to operate out board at its recommended speed r min range Q Is trim angle incorrect A Adjust trim angle to achieve most efficient operation Q Is motor mounted at incorrect height on transom A Have motor adjusted to proper transom height Q Has warning system activated A Find and correct cause of warning Q Is boat bottom fouled with marine growth A Clean boat bottom Q Are spark plug s fouled or of incorrect type A Inspect spark plug s Clean or replace with recommended type 71 Q Are weeds or other foreign matter tangled on gear housing A Remove foreign matter and clean lower unit Q Is fuel system obstructed A Check for pinched or kinked fuel line or other obstructions in fuel system Q Is fuel filter clogged A Clean or replace filter Q Is fuel contaminated or stale A Fill tank with clean fresh fuel Q Is spark plug gap incorrect A Inspect and adjust as specified Q Is ignition wiring damaged or poorly con nected A Check wires for wear or breaks Tighten all loose connections Replace worn or bro ken wires Q Have electrical parts failed A Have serviced by a Yamaha d
63. n to start the clock YAMAHA ZMU01744 25 NOTE The clock operates on battery power Dis connecting the battery will stop the clock Reset the clock after connecting the battery EMU26710 Fuel gauge The fuel level is indicated by eight segments When all segments are showing the fuel tank is full ECMO00860 CAUTION The Yamaha fuel tank sensor differs from conventional sensors Incorrectly setting the selector switch on the gauge will give false readings Consult your Yamaha dealer on how to correctly set the selec tor switch NOTE The fuel level reading can be affected by the position of the sensor in the fuel tank and the attitude of the boat in the water Operation with bow up trim or continuous turning can give false readings SPEED E O0 o TRIP TIME BATT ZMU01745 EMU26720 Fuel warning indicator If the fuel level decreases to one segment the fuel level warning segment will begin to Basic components blink ECMO0880 CAUTION Do not continue to operate the engine with full throttle if a warning device has activated Get back to the port within troll ing engine speed YAMAHA ZMU01746 1 Fuel level warning segment EMU26730 Low battery voltage warning indicator If battery voltage drops the display will auto matically turn on and begin to blink ECM00870 CAUTION Get bac
64. nd mode mode buttons for more than 1 second while the trip hours are displayed resets the trip counter to O zero NOTE The total number of hours the engine has been run cannot be reset EMU26690 Trip meter This gauge displays the distance the boat has traveled since the gauge was last reset Press the mode mode button repeatedly until the indicator on the face of the gauge points to TRIP trip To reset the trip meter to zero press the set set and mode mode buttons at the same time 24 Basic components YAMAHA SPEED BE 2387 3 852 CUT O0000 ZMU01743 NOTE e The trip distance is shown in kilometers or miles depending upon the unit of measure ment selected for the speedometer e The trip distance is kept in memory by bat tery power The stored data will be lost if the battery is disconnected EMU26700 Clock Press the mode mode button repeatedly until the indicator on the face of the gauge points to TIME time To set the clock be sure the gauge is in the TIME time mode Press the set set button the hour display will begin blinking Press the mode mode button until the desired hour is displayed Press the set set button again the minute display will begin blinking Press the mode mode button until the desired minute is dis played Press the set set button agai
65. nd severe damage from overheating can result 1 After shutting off the engine unscrew the garden hose connector from the fit ting on the bottom cowling 53 ZMU04264 1 Fitting 2 Garden hose connector 3 Garden hose 2 Screw the garden hose connector onto a garden hose which is connected to a fresh water supply 3 With the engine off turn on the water tap and let the water flush through the cool ing passages for about 15 minutes Turn off the water and disconnect the garden hose 4 When flushing is complete reinstall the garden hose connector on the fitting on the bottom cowling Tighten the connec tor securely ECM00540 CAUTION Do not leave the garden hose connector loose on the bottom cowling fitting or let the hose hang free during normal opera tion Water will leak out of the connector instead of cooling the engine which can cause serious overheating Be sure the connector is tightened securely on the fit ting after flushing the engine NOTE e When flushing the engine with the boat in the water tilting up the outboard motor un til it is completely out of the water will achieve better results e For cooling system flushing instructions see page 50 EMU28450 Cleaning the outboard motor After use wash the exterior of the outboard motor with fresh water Flush the cooling system with fresh water ZMU04265 NOTE For cooling system flushing instruction
66. ne the position of the bow of the boat in the water Correct trim angle will help im prove performance and fuel economy while reducing strain on the engine Correct trim angle depends upon the combination of boat engine and propeller Correct trim is also affected by variables such as the load in the boat sea conditions and running speed EWMO00740 Excessive trim for the operating condi tions either trim up or trim down can cause boat instability and can make steering the boat more difficult This in creases the possibility of an accident If the boat begins to feel unstable or is hard to steer slow down and or readjust the trim angle 41 ZMU04258 1 Trim operating angle EMU27881 Adjusting trim angle Power trim and tilt models EWM00750 e Be sure all people are clear of the out board motor when adjusting the tilt an gle also be careful not to pinch any body parts between the drive unit and clamp bracket e Use caution when trying a trim position for the first time Increase speed gradu ally and watch for any signs of instabil ity or control problems Improper trim angle can cause loss of control e Use the power tilt switch located on the bottom engine cowling if equipped only when the boat is at a complete stop with the engine off Operation Adjust the outboard motor trim angle using the power trim and tilt switch ZMUO01781 1 Power trim and tilt switch SRE 1 Power t
67. nlet for clogging YAMAHA ZMU04227 e The buzzer will sound ZMU02630 NOTE Dual engine drive users Should the overheat warning system of one engine activate the engine will slow down and the buzzer will sound This will cause the other engine to slow down and the buzzer to sound To switch off the warning activation 29 Basic components on the engine not affected by overheating turn off the main switch of the engine over heating EMU30351 Low oil pressure warning If the oil pressure drops too low the warning device will activate Activation of warning device e Engine speed will automatically decrease to 2000 3500 r min ZMU04587 e The low oil pressure warning indicator will light YAMAHA ZMU04254 e The buzzer will sound mere of START OFF TST aCe ZMU04584 If the warning system has activated stop the engine as soon as it is safe to do so Check the oil level and add oil as needed If the oil level is correct consult your Yamaha dealer ECM00100 CAUTION Do not continue to run the engine if the low oil pressure warning indicator is on Serious engine damage could occur 30 Operation EMU26901 Installation ECM00110 CAUTION Incorrect engine height or obstructions to smooth water flow such as the design or condition of the boat or accessories such as transom ladders or depth finder transducers can create airborne water spray while the boa
68. nt 10 Battery specifications 10 Propeller selection 10 Start in gear protection 11 Basic components ssssssssnsesnnenne 12 Main components 12 Remote control 12 Remote control lever 13 Neutral interlock trigger 13 Neutral throttle lever 14 Free accelerator 14 Tiller handle 14 Gear shift lever 15 Throttle grip 15 Throttle indicator 15 Throttle friction adjuster 15 Engine stop lanyard switch 16 Engine stop button 17 Main switch 17 Power trim and tilt switch on remote control or tiller handle 18 Power trim and tilt switch on bottom engine cowling 18 Power trim and tilt switches twin binnacle type 19 Trim tab with anode eee 19 Table of contents Tilt support lever for power trim and tilt or hydro tilt model 20 Top cowling lock lever pull up VDO nn 20 Flushing device 20 Warning indicator 21 Tachometer 21 Digital tachometer eeeeeeeee 21 Low oil pressure warning indicator ne n in 22 Low oil pressure warning INGICALOF 12m 22 Overheat warning indicator 22 Overheat warning indicator digital LV
69. ntion Batteries also generate explosive hydro gen gas therefore you should always follow these preventive measures e Charge batteries in a well ventilated ar ea e Keep batteries away from fire sparks or open flames for example welding equipment lighted cigarettes and so on e DO NOT SMOKE when charging or han dling batteries KEEP BATTERIES AND ELECTROLYTIC FLUID OUT OF REACH OF CHILDREN ECM00360 CAUTION e A poorly maintained battery will quickly 67 deteriorate e Ordinary tap water contains minerals harmful to a battery and should not be used for topping up 1 Check the electrolyte level at least once a month Fill to the manufacturer s rec ommended level when necessary Top up only with distilled water or pure de ionized water suitable to use in batter ies ZMU01810 2 Always keep the battery in a good state of charge Installing a voltmeter will help you monitor your battery If you will not use the boat for a month or more re move the battery from the boat and store it in a cool dark place Completely re charge the battery before using it 3 If the battery will be stored for longer than a month check the specific gravity of the fluid at least once a month and re charge the battery when it is low NOTE Consult a Yamaha dealer when charging or re charging batteries EMU29331 Connecting the battery EWM00570 Mount the battery holder securely in a dry wel
70. ocedure below 1 Stop the engine immediately 2 Inspect the control system and all com ponents for damage Also inspect the boat for damage 3 Whether damage is found or not return to the nearest harbor slowly and careful ly 4 Have a Yamaha dealer inspect the out board motor before operating it again EMU29450 Running single engine When using only engine in an emergency be sure to keep the unused one tilted up and op erate the other engine at low speed ECM00370 CAUTION If the boat is operated with one engine in the water but not running water may run into the exhaust pipe due to wave action causing engine trouble NOTE When you are maneuvering at low speed such as near a dock it is recommended that both engines be running with one in neutral gear if possible 72 Trouble Recover EMU29480 Replacing fuse If the fuse has blown on an electric start model remove the electrical cover open the fuse holder and replace the fuse with a new one of the proper amperage EWM00630 Be sure to use the specified fuse An in correct fuse or a piece of wire could allow excessive current flow This could cause electric system damage and a fire hazard NOTE Consult your Yamaha dealer if the new fuse immediately blows again 73 ZMU04279 1 Electrical cover 2 Fuse holder 3 Fuse 20 Ax2 30 Ax2 4 Spare fuse 20 A 30 A 5 Fuse puller ZM
71. old in Canada with coverage provided by Yamaha Motor Canada see Warranty Guide for Canadian models This warranty explains the conditions of the warranty includ ing the obligations that your dealer and you as the owner have under the warranty For exam ple your Yamaha outboard must receive a proper pre delivery inspection PDI by the sell ing dealer Failure to take this important step could jeopardize warranty coverage If you need warranty repairs you must take your Yamaha outboard to an authorized Yamaha outboard dealer Be aware that not all selling boat dealers are authorized Yamaha dealers Only authorized dealers have the factory training special tools and Yamaha support need ed to perform warranty repairs If you are away from home or your selling dealer is not an authorized Yamaha dealer use the following toll free numbers to find the nearest Yamaha dealer United States Dealer Locations 1 800 692 6242 Canada Dealer Locations 1 800 267 8577 ZMU01682 Consumer information 5 Your warranty applies specifically to repairs made in the country of purchase If your U S purchased Yamaha needs warranty service while in Canada or your Canadian purchased Yamaha needs service while in the United States Yamaha will assist the local dealer when ever possible However some products available in one country may not be sold or serviced in the other 6 If you need any additional information about your Yamaha or warranty cov
72. ompletely inspected 76 Consumer information EMU29811 Important warranty information for U S A and Canada Welcome to the Yamaha Family Congratulations on the purchase of your new Yamaha marine power Yamaha is commit ted to exceptional customer satisfaction and we want your ownership experience to be a satisfying one Please read the following warranty information to help ensure satisfac tion with your Yamaha Yamaha is ready to stand behind your purchase with strong warranty coverage To be sure you receive all the benefits of warranty please take the following steps 1 77 Be sure your new Yamaha is registered for warranty Your boat dealer should do this at the time of sale Make sure your dealer gives you a copy of the completed Yamaha registration card for your records If you are unsure whether or not your Yamaha is registered complete the Warranty Registration card found inside the cover of the Owner s Manual Mail it to the distributor for the country in which you live see step 6 for the correct address If your Yamaha is not properly registered a warranty repair could be unnecessarily delayed while registration records are checked Read the Limited Warranty statement which follows these instructions This warranty applies to Yamaha outboard motors sold in the United States whether purchased separately or when supplied as original equipment by a boat builder The terms also apply to original equipment packages s
73. omy FUEL MANAGEMENT mi Km L Dmt mpg PS BES Z VV TTL ECON SYNC ZMU01752 Basic components NOTE If twin engines are installed on your boat the gauge will only display the total fuel economy of both engines NOTE e Fuel consumption varies greatly with boat design weight propeller used engine trim angle sea conditions including wind and throttle position Fuel consumption also varies slightly with the type of water salt fresh and contaminate levels air temper ature and humidity cleanliness of the boat bottom engine mounting height skill of the operator and individual gasoline for mulation winter or summer fuel and amount of additives e The Yamaha digital speedometer and fuel management meter calculates speed miles traveled and fuel economy by water movement at the stern of the boat This distance can vary greatly from the actual distance traveled because of water cur rents sea swells and the condition of the water speed sensor partially plugged or damaged e Individual engines may slightly vary in their fuel consumption due to manufacturing variations These variations can be even greater if the engines are of different year models In addition variations in propel lers even of the same basic dimensions of the same design can also cause a slight variation in fuel consumption EMU26780 Twin engine speed synchronizer This gauge displays the difference in
74. ouling paint which includes copper or graphite These paints can cause more rapid engine corrosion ZMU04246 68 Trouble Recovery EMU29424 Troubleshooting A problem in the fuel compression or igni tion systems can cause poor starting loss of power or other problems This section de scribes basic checks and possible remedies and covers all Yamaha outboard motors Therefore some items may not apply to your model If your outboard motor requires repair bring it to your Yamaha dealer If the engine trouble warning indicator is flashing consult your Yamaha dealer Starter will not operate Q Is battery capacity weak or low A Check battery condition Use battery of recommended capacity Q Are battery connections loose or corrod ed A Tighten battery cables and clean battery terminals Q Is fuse for electric start relay or electric cir cuit blown A Check for cause of electric overload and repair Replace fuse with one of correct am perage Q Are starter components faulty A Have serviced by a Yamaha dealer Q Is shift lever in gear A Shift to neutral Engine will not start starter operates Q Is fuel tank empty A Fill tank with clean fresh fuel Q Is fuel contaminated or stale 69 A Fill tank with clean fresh fuel Q Is fuel filter clogged A Clean or replace filter Q Is starting procedure incorrect A See page 35 Q Has fuel pump malfunctioned A Have ser
75. p lanyard switch 7 Throttle friction adjuster SN G 4 3 ZMU04569 Remote control lever Power trim and tilt switch Free accelerator Throttle friction adjuster RON EMU26190 Remote control lever Moving the lever forward from the neutral po sition engages forward gear Pulling the le ver back from neutral engages reverse The engine will continue to run at idle until the le ver is moved about 35 a detent can be felt Moving the lever farther opens the throttle and the engine will begin to accelerate 13 NO OO O1 fP WD NOoOfP WD Neutral N Forward F Reverse R Shift Fully closed Throttle Fully open ZMU04573 Neutral N Forward F Reverse R Shift Fully closed Throttle Fully open EMU26201 Neutral interlock trigger To shift out of neutral first pull the neutral in terlock trigger up Basic components ZMU01727 1 Neutral interlock trigger EMU26211 Neutral throttle lever To open the throttle without shifting into ei ther forward or reverse put the remote con trol lever in the neutral position and lift the neutral throttle lever NOTE The neutral throttle lever will operate only when the remote control lever is in neutral The remote control lever will operate only when the neutral throttle lever is in the closed position 1 Fully open 2 Fully closed EMU26232 Free accel
76. pair of pliers 2 Remove the propeller nut washer and spacer if equipped ZMU02416 1 Cotter pin 2 Propeller nut 3 Washer 4 Spacer 5 Propeller 6 Thrust washer 3 Remove the propeller and thrust wash er EMU30670 Installing the Propeller EMU29241 Spline models EWMO0770 On counter rotation models be sure to use a propeller intended for counter clockwise rotation These propellers are identified with the letter L after the size indication on the propeller Otherwise the boat could move in the opposite direction 64 Maintenance from that expected ECM00340 CAUTION e Be sure to install the thrust washer be fore installing the propeller otherwise the lower case and propeller boss could be damaged e Be sure to use a new cotter pin and bend the ends over securely Otherwise the propeller could come off during op eration and be lost 1 Apply Yamaha marine grease or a cor rosion resistant grease to the propeller shaft 2 Install the thrust washer and propeller on the propeller shaft 3 Install the spacer and washer Tighten the propeller nut to the specified torque 4 Align the propeller nut with the propeller shaft hole Insert a new cotter pin in the hole and bend the cotter pin ends ZMU01805 NOTE If the propeller nut does not align with the propeller shaft hole after tightening to the specified torque tighten the nut further to align it with the hole 6
77. plug be careful not to damage the insulator A damaged insulator could allow external sparks which could lead to explosion or fire The spark plug is an important engine com ponent and is easy to inspect The condition of the spark plug can indicate something about the condition of the engine For exam ple if the center electrode porcelain is very white this could indicate an intake air leak or carburetion problem in that cylinder Do not 57 ZMU04266 attempt to diagnose any problems yourself Instead take the outboard motor to a Yamaha dealer You should periodically re move and inspect the spark plug because heat and deposits will cause the spark plug to slowly break down and erode If electrode erosion becomes excessive or if carbon and other deposits are excessive you should re place the spark plug with another of the cor rect type Standard spark plug LFR6A 11 Before fitting the spark plug measure the electrode gap with a wire thickness gauge adjust the gap to specification if necessary ZMU02179 1 Spark plug gap 2 Spark plug I D mark NGK Spark plug gap 1 0 1 1 mm 0 039 0 043 in When fitting the plug always clean the gas ket surface and use a new gasket Wipe off any dirt from the threads and screw in the spark plug to the correct torque Spark plug torque 25 0 Nm 18 4 ft lb 2 55 kgf m NOTE If a torque wrench is not available when you are fitting a spark plug a good est
78. quality Therefore while this manual contains the most current prod uct information available at the time of print ing there may be minor discrepancies between your machine and this manual If there is any question concerning this manu al please consult your Yamaha dealer NOTE The F115TR LF115TR and the standard ac cessories are used as a base for the expla nations and illustrations in this manual Therefore some items may not apply to ev ery model EMU25110 F115 LF115 OWNER S MANUAL 2005 by Yamaha Motor Corporation USA 1st edition April 2005 All rights reserved Any reprinting or unauthorized use without the written permission of Yamaha Motor Corporation USA is expressly prohibited Printed in Japan P N LIT 18626 06 75 General information c1 0ee 1 Identification numbers record 1 Outboard motor serial number 1 Key number 1 Emission control information 1 North American models 1 Star labels 2 Safety information 3 Important labels 4 Warning labels 4 Basic boating rules Rules of the fOAd 4th he ethic 5 Steering and sailing rules and sound signals 5 Rules when encountering vessels 5 Other special situations 6 Fueling instructions 8 GasSOlin emmener qe 9 Engine oil 9 Battery requireme
79. r the first 10 hours of operation and every 100 hours or at 6 month intervals thereafter Other wise the engine will wear quickly NOTE Change the engine oil when the oil is still warm 1 Put the outboard motor in an upright po sition not tilted ZMU04270 2 Prepare a suitable container that holds a larger amount than the engine oil capac ity Loosen and remove the drain screw while holding the container under the drain hole Then remove the oil filler cap Let the oil drain completely Wipe up any spilled oil immediately 60 Maintenance SS ZMU04241 1 Drain screw 3 Put a new gasket on the oil drain screw Apply a light coat of oil to the gasket and install the drain screw Drain screw tightening torque 28 0 Nm 20 7 ft lb 2 86 kgf m NOTE If a torque wrench is not available when you are installing the drain screw finger tighten the screw just until the gasket comes into contact with the surface of the drain hole Then tighten 1 4 to 1 2 turn more Tighten the drain screw to the correct torque with a torque wrench as soon as possible 4 Add the correct amount of oil through the filler hole Install the filler cap Recommended engine oil 4 stroke outboard motor oil Engine oil quantity excluding oil filter 4 3 L 4 55 US qt 3 78 Imp qt 61 ZMU04271 1 Oil filler cap 5 Start the engine and watch to make sure the low oil pressure warnin
80. rformed while the outboard motor is in the water A flushing attachment or test tank can be used A diagnostic tachometer should be used for this procedure Results may vary depending on whether testing is conducted with the flushing attachment in a test tank or with the outboard motor in the water 1 Start the engine and allow it to warm up fully in neutral until it is running smooth ly NOTE Correct idling speed inspection is only possi ble if the engine is fully warmed up If not warmed up fully the idle speed will measure higher than normal If you have difficulty ver ifying the idle speed or the idle speed re quires adjustment consult a Yamaha dealer or other qualified mechanic 2 Verify whether the idle speed is set to specification For idle speed specifica tions see page 49 EMU29073 Changing engine oil EWM00760 e Avoid draining the engine oil immedi ately after stopping the engine The oil is hot and should be handled with care to avoid burns e Be sure the outboard motor is securely fastened to the transom or a stable stand ECM00970 CAUTION e Do not overfill the oil and be sure the Maintenance outboard motor is upright not tilted when checking and changing the en gine oil e If the oil level is above the upper level mark drain until the level meets the specified capacity Overfilling the oil could cause leakage or damage ECM01240 CAUTION Change the engine oil afte
81. rim and tilt switch TES SDN L ZMU05224 1 Power trim and tilt switch To raise the bow trim out press the switch UP up To lower the bow trim in press the switch DN down Make test runs with the trim set to different angles to find the position that works best for your boat and operating conditions NOTE To adjust the trim angle while the boat is moving use the power trim and tilt switch lo cated on the remote control device or tiller handle if equipped EMU27911 Adjusting boat trim When the boat is on plane a bow up attitude results in less drag greater stability and effi ciency This is generally when the keel line of the boat is up about 3 to 5 degrees With the bow up the boat may have a greater tenden cy to steer to one side or the other Compen sate for this as you steer The trim tab can also be adjusted to help offset this effect When the bow of the boat is down it is easier to accelerate from a standing start onto plane 42 Operation ZMU01784 Bow Up Too much trim out puts the bow of the boat too high in the water Performance and econ omy are decreased because the hull of the boat is pushing the water and there is more air drag Excessive trim out can also cause the propeller to ventilate which reduces per formance further and the boat may por poise hop in the water which could throw the operator and passengers overboard LT ZMU01785
82. rned on and will return to normal thereafter 1 2 3 5 4 9 ZMU04185 1 Tachometer 2 Trim meter 3 Hour meter 4 Low oil pressure warning indicator 5 Overheat warning indicator 6 Water separator warning indicator 7 Engine trouble warning indicator 8 Set button 9 Mode button Basic components NOTE The water separator and engine trouble warning indicators only operate when the en gine is equipped with the appropriate func tions EMU26501 Low oil pressure warning indicator If oil pressure drops too low this indicator will flash For further information see page 30 ECM00020 CAUTION e Do not continue to run the engine if the low oil pressure warning indicator is on and the engine oil level is lower Seri ous engine damage will occur e The low oil pressure warning indicator does not indicate the engine oil level Use the oil dipstick to check the re maining oil quantity For further infor mation see page 33 ZMU04754 EMU26521 Low oil pressure warning indicator If oil pressure drops too low the warning in dicator will start to blink For further informa tion see page 30 ECM00020 CAUTION e Do not continue to run the engine if the low oil pressure warning indicator is on and the engine oil level is lower Seri ous engine damage will occur e The low oil pressure warning indicator does not indicate the engine oil level Use the oil dipstick to che
83. s see page 50 EMU28460 Checking painted surface of motor Check the motor for scratches nicks or flak ing paint Areas with damaged paint are more likely to corrode If necessary clean and paint the areas A touch up paint is avail able from your Yamaha dealer Maintenance EMU28486 Periodic maintenance EWM01070 Be sure to turn off the engine when you perform maintenance unless otherwise specified If you or the owner is not famil iar with machine servicing this work should be done by your Yamaha dealer or other qualified mechanic Maintenance replacement or repair of the emission control devices and sys tems may be performed by any marine engine repair establishment or individual All warranty repairs however including those to the emission control system must be performed by an authorized Yamaha marine dealership A service manual is available for purchase through your Yamaha dealer for owners who have the mechanical skills tools and other equipment necessary to perform mainte nance not covered by this owner s manual EMU28510 Replacement parts If replacement parts are necessary use only genuine Yamaha parts or parts of the same type and of equivalent strength and materi als Any part of inferior quality may malfunc tion and the resulting loss of control could endanger the operator and passengers Yamaha genuine parts and accessories are available from your Yamaha dealer 54 Mainten
84. s in the boat to be thrown forward ZMU01774 ZMU01772 YAMAHA ON Grr ONSTART OFF ONSTART w ZMU04590 5 Immediately after the engine starts re lease the main switch to return it to ON on ECM00191 CAUTION e Never turn the main switch to START start while the engine is running e Do not keep the starter motor turning for more than 5 seconds If the starter motor is turned continuously for more than 5 seconds the battery will be quickly discharged thus making it im ZMU04589 Turn the main switch to ON on 4 37 Turn the main switch to START start possible to start the engine The starter and hold it for a maximum of 5 seconds Can also be damaged If the engine will not start after 5 seconds of cranking return the main switch to ON on wait 10 seconds then crank the engine again Operation EMU27670 Warming up engine EMU27710 Manual start and electric start models 1 After starting the engine allow it to idle for 3 minutes to warm up Failure to do so will shorten engine life 2 Be sure the low oil pressure warning in dicator goes off after starting the engine 3 Check for a steady flow of water from the cooling water pilot hole ECM00210 CAUTION e If the low oil pressure warning indicator does not go off after the engine starts stop the engine Otherwise serious en gine damage could occ
85. s too low EMU25742 Propeller selection The performance of your outboard motor will be critically affected by your choice of propel General information ler aS an incorrect choice could adversely affect performance and could also seriously damage the motor Engine speed depends on the propeller size and boat load If engine speed is too high or too low for good engine performance this will have an adverse effect on the engine Yamaha outboard motors are fitted with pro pellers chosen to perform well over a range of applications but there may be uses where a propeller with a different pitch would be more appropriate For a greater operating load a smaller pitch propeller is more suit able as it enables the correct engine speed to be maintained Conversely a larger pitch propeller is more suitable for a smaller oper ating load Yamaha dealers stock a range of propellers and can advise you and install a propeller on your outboard that is best suited to your ap plication FA ZMU04608 1 Propeller diameter in inches 2 Propeller pitch in inches 3 Type of propeller propeller mark NOTE Select a propeller which will allow the engine to reach the middle or upper half of the oper ating range at full throttle with the maximum boat load If operating conditions such as light boat loads then allow the engine r min to 10 General information rise above the maximum recommended range reduce the throttle sett
86. sing you are traveling across the oth er vessel s path Overtaking you are passing or being passed by another vessel In the following illustration your boat is in the center You should give the right of way to any vessels shown in white area you are the Give Way vessel Any vessels in the shad ed area must yield to you they are the Give Way vessels Both you and the meeting vessel must alter course to avoid each other ZMU01705 Meeting If you are meeting another power vessel head on and are close enough to run the risk of collision neither of you has the right of way Both of you should alter course to avoid an accident You should keep the other ves sel on your port left side This rule doesn t apply if both of you will clear one another if you continue on your set course and speed EN ST lt L gt LLE ZMU01706 General information Crossing When two power driven vessels are crossing each others path close enough to run the risk of collision the vessel which has the oth er on the starboard right side must keep out of the way of the other If the other vessel is on your right you must keep out of its way you are the Give Way vessel If the other vessel is on your port left side remember that you should maintain course and direc tion provided the other vessel gives you the right of way as it should _ _ZMU01707 Overtaking If you are passing another vessel you are the
87. t ting the selector switch on the back of the gauge See the illustration for settings knots mile ZMU01739 1 Cap 2 Selector switch for speed unit 3 Selector switch for fuel sensor EMU26610 Trim meter This gauge shows the trim angle of your out board motor Basic components ZMU04581 NOTE Memorize the trim angles that work best for your boat under different conditions Adjust the trim angle to the desired setting with the power trim and tilt switch EMU26620 Trim meter digital type This meter shows the trim angle of your out board motor NOTE e Memorize the trim angles that work best for your boat under different conditions Adjust the trim angle to the desired using the power trim and tilt switch e If the trim angle of your motor exceeds the trim operating range the top segment on the trim meter display will blink TACH E En ZMU01740 EMU26650 Hour meter digital type This meter shows the number of hours the engine has been run It can be set to show the total number of hours or the number of hours for the current trip The display can also be turned on and off TACH ake my ZMU01741 e Changing the display format e Pressing the mode mode button chang es the display format in the following pat tern e Total hours Trip hours gt Display off e Resetting the trip hours e Simultaneously pressing the set set a
88. t is cruising Severe engine damage may result if the motor is operated continuously in the presence of airborne water spray NOTE During water testing check the buoyancy of the boat at rest with its maximum load Check that the static water level on the ex haust housing is low enough to prevent wa ter entry into the powerhead when water rises due to waves when the outboard is not running EMU26910 Mounting the outboard motor EWM00820 e Overpowering a boat could cause se vere instability Do not install an out board motor with more horsepower than the maximum rating on the capac ity plate of the boat If the boat does not have a capacity plate consult the boat manufacturer e The information presented in this sec tion is intended as reference only It is not possible to provide complete in structions for every possible boat and motor combination Proper mounting depends in part on experience and the 31 specific boat and motor combination EWM00830 Improper mounting of the outboard mo tor could result in hazardous conditions such as poor handling loss of control or fire hazards Observe the following e For permanently mounted models your dealer or other person experienced in proper rigging should mount the motor If you are mounting the motor yourself you should be trained by an experi enced person e For portable models your dealer or oth er person experienced in proper out board motor
89. tem Electric Starting carburetion system Electronic fuel injection Valve clearance cold engine IN 0 17 0 23 mm 0 0067 0 0091 in Valve clearance cold engine EX 0 31 0 37 mm 0 0122 0 0146 in Min cold cranking amps CCA SAE 380 0 A Min marine cranking amps MCA ABYC 502 0 A Min reserve capacity RC SAE 124 minutes Alternator output for battery DC 25 0A Drive unit Gear positions Forward neutral reverse Gear ratio 2 15 28 13 Trim and tilt system Power trim and tilt Propeller mark F115TRK LF115TR KL Fuel and oil Recommended fuel Regular unleaded gasoline Min pump octane 86 Recommended engine oil 4 stroke outboard motor oil Engine oil grade API API SE SF SG SH SJ SL Engine oil type SAE SAE10W30 or SAE10W40 Lubrication Wet sump Engine oil quantity excluding oil filter 4 3 L 4 55 US qt 3 78 Imp qt Recommended gear oil Hypoid gear oil SAE 90 Gear oil quantity F115TR 760 0 cm 25 70 US oz 26 81 Imp oz LF115TR 715 0 cm 24 17 US oz 25 22 Imp oz Tightening torque for engine Spark plug 25 0 Nm 18 4 ft lb 2 55 kgf m Propeller nut 55 0 Nm 40 6 ft lb 5 61 kgf m Engine oil drain bolt 28 0 Nm 20 7 ft lb 2 86 kgf m Engine oil filter 18 0 Nm 13 3 ft lb 1 84 kgf m EMU28222 Transporting and storing outboard motor EWM00690 e Leaking fuel is a fire hazard When transporting and storing the outboard motor close the air vent screw an
90. the engine water pump will be damaged or the en gine will be damaged from overheating Before starting the engine be sure to supply water to the cooling water passag es ECM00310 CAUTION Avoid running the outboard motor at high speed while on the flushing attachment otherwise overheating could occur ZMU01830 1 Flushing attachment 5 Cooling system flushing is essential to prevent the cooling system from clog ging up with salt sand or dirt In addi tion fogging lubricating of the engine is mandatory to prevent excessive engine damage due to rust Perform the flush ing and fogging at the same time EWMO0090 e Do not touch or remove electrical parts when starting or during operation e Keep hands hair and clothes away from the flywheel and other rotating parts while the engine is running 6 Run the engine at a fast idle for 10 15 minutes in neutral position while supply ing fresh water 7 Just prior to turning off the engine quick ly spray Yamaha Stor Rite Engine Fogging Oil Part No LUB STRRT 12 00 alternately into each carburetor each intake manifold When properly done the engine will smoke excessively and almost stall 8 Remove the flushing attachment and wipe off any excess water 9 Install the silencer cover cap and top cowling Install the propeller NOTE A flushing attachment is available from your Yamaha dealer EMU28400 Lubrication except oil injection
91. ty any authorized Yamaha outboard dealer will free of charge repair or replace at Yamaha s option any parts adjudged defective by Yamaha due to faulty workmanship or material from the factory All replaced parts will become the property of Yamaha Motor Corporation U S A CUSTOMER S RESPONSIBILITY Under the terms of this warranty the customer will be responsible for ensuring that the outboard motor is prop erly operated maintained and stored as specified in the applicable Owner s Manual The owner of the outboard motor shall give notice to an authorized Yamaha Outboard Motor Dealer of any and all apparent defects within ten 10 days of discovery and make the motor available at that time for inspection and repairs at the dealer s place of business GENERAL EXCLUSIONS FROM WARRANTY This warranty will not cover the repair of damage if the damage is a result of abuse or neglect of the product Examples of abuse and neglect include but are not limited to 1 Racing or competition use modification of original parts abnormal strain 2 Lack of proper maintenance and off season storage as described in the Owner s Manual installation of parts or accessories that are not equivalent in design and quality genuine Yamaha parts Operation of the motor at an rpm other than specified use of lubricants or oils that are not suitable for outboard motor use Damage as a result of accidents collisions contact with foreign materials or submersion
92. uel EWMO00420 e Before starting the engine make sure that the boat is tightly moored and that you can steer clear of any obstructions Be sure there are no swimmers in the water near you e When the air vent screw is loosened gasoline vapor will be released Gaso line is highly flammable and its vapors are flammable and explosive Refrain from smoking and keep away from open flames and sparks while loosen ing the air vent screw e This product emits exhaust gases which contain carbon monoxide a col orless odorless gas which could cause brain damage or death when inhaled Symptoms include nausea dizziness and drowsiness Keep cockpit and cab in areas well ventilated Avoid blocking exhaust outlets 1 If there is an air vent screw on the fuel tank cap loosen it 2 or 3 turns 2 If there is a fuel joint or a fuel cock on the boat firmly connect the fuel line to the joint or open the fuel cock 3 Squeeze the primer pump with the outlet end up until you feel it become firm 34 Operation lanyard where it could become entan gled preventing it from functioning e Avoid accidentally pulling the lanyard during normal operation Loss of en gine power means the loss of most steering control Also without engine power the boat could slow rapidly This could cause people and objects in the boat to be thrown forward ZMU01770 EMU27490 Starting engine EMU27592 Electric start prime start models 1
93. uel immediately e The fuel filter must be reassembled carefully with the O ring filter cup and hoses in place Improper assembly or replacement could result in a fuel leak which could result in a fire or explosion hazard EMU29021 Cleaning fuel filter NOTE If any water is in the fuel the float will rise If so remove the cup and drain the water 1 Remove the nut holding the fuel filter as sembly if so equipped ZMU04268 59 2 Unscrew the filter cup catching any spilled fuel in a rag 3 Remove the filter element and wash it in solvent Allow it to dry Inspect the filter element and O ring to make sure they are in good condition Replace them if necessary If any water is found in the fuel the Yamaha portable fuel tank or other fuel tanks should be checked and cleaned ZMU04269 1 Filter cup 2 Filter element 3 O ring 4 Filter housing 5 Float 4 Reinstall the filter element in the cup Make sure the O ring is in proper posi tion in the cup Firmly screw the cup onto the filter housing 5 Attach the filter assembly to the bracket 6 Run the engine and check the filter and lines for leaks EMU29041 Inspecting idling speed EWMO0451 e Do not touch or remove electrical parts when starting or during operation e Keep hands hair and clothes away from the flywheel and other rotating parts while the engine is running ECM00490 CAUTION This procedure must be pe
94. ur Check the oil level and add oil if necessary Consult your Yamaha dealer if the cause for the low oil pressure warning indicator can not be found e A continuous flow of water from the pi lot hole shows that the water pump is pumping water through the cooling passages If water is not flowing out of the pilot hole at all times while the en gine is running overheating and seri ous damage could occur Stop the engine and check whether the cooling water inlet on the lower case or the cooling water pilot hole is blocked Consult your Yamaha dealer if the prob lem cannot be located and corrected AS y ZMU04229 Shifting Before shifting make sure there are no swimmers or obstacles in the water near you EMU27740 ECM00220 CAUTION To change the boat direction or shifting position from forward to reverse or vice versa first close the throttle so that the engine idles or runs at low speeds EMU27763 Forward tiller handle and remote control models Tiller control models 1 Place the throttle grip in the fully closed position ZMU05219 2 Move the gear shift lever quickly and 38 Operation firmly from neutral to forward pier IBA Reverse automatic reverse lock and power trim and tilt models EWM00190 When operating in reverse go slowly Do not open the throttle more than half Oth erwise the boat could become unstable which could result in loss of control and
95. viced by a Yamaha dealer Q Are spark plug s fouled or of incorrect type A Inspect spark plug s Clean or replace with recommended type Q Are spark plug cap s fitted incorrectly A Check and re fit cap s Q Is ignition wiring damaged or poorly con nected A Check wires for wear or breaks Tighten all loose connections Replace worn or bro ken wires Q Are ignition parts faulty A Have serviced by a Yamaha dealer Q Is engine stop switch lanyard not at tached A Attach lanyard Q Are engine inner parts damaged A Have serviced by a Yamaha dealer Engine idles irregularly or stalls Q Are spark plug s fouled or of incorrect type A Inspect spark plug s Clean or replace with recommended type Trouble Recovery Q Is fuel system obstructed A Check for pinched or kinked fuel line or other obstructions in fuel system Q Is fuel contaminated or stale A Fill tank with clean fresh fuel Q Is fuel filter clogged A Clean or replace filter Q Have ignition parts failed A Have serviced by a Yamaha dealer Q Has warning system activated A Find and correct cause of warning Q Is spark plug gap incorrect A Inspect and adjust as specified Q Is ignition wiring damaged or poorly con nected A Check wires for wear or breaks Tighten all loose connections Replace worn or bro ken wires Q Is specified engine oil not being used A Check and replace oil as specified
96. y are tight if equipped Yamaha fuel tank or boat tank e Be sure the fuel tank is positioned on a se cure flat surface and that the fuel line is not twisted or flattened or likely to contact sharp objects if equipped Yamaha fuel tank or boat tank EMU27130 Controls e Check throttle shift and steering for prop er operation before starting the engine e The controls should work smoothly with out binding or unusual free play e Look for loose or damaged connections e Check operation of the starter and stop switches when the outboard motor is in the water EMU27150 Engine e Check the engine and engine mounting e Look for loose or damaged fasteners e Check the propeller for damage e Check that the battery is in good condition and the battery connections are secure 33 EMU27163 Checking the engine oil level 1 Put the outboard motor in an upright po sition not tilted 2 Remove oil dipstick and wipe it clean 3 Completely insert the dipstick and re move it again 4 Check the oil level using the dipstick to be sure the level falls between the upper and lower marks Fill with oil if it is below the lower mark or drain to the specified level if it is above the upper mark 1 Oil dipstick ZMU02082 1 Lower level mark 2 Oil dipstick 3 Upper level mark NOTE Be sure to completely insert the dipstick into the dipstick guide Operation EMU30021 Filling fuel EWM00060

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