Honda Power Equipment BF20 Boat User Manual
Contents
1. unse 4 2 6 OMPONENT IDEN SE 6 S INSTALLATIORED 8 l zas ces awa uns s 10 6 STARTING THE 2 2 1 44 4 13 ua s ny 18 STOPPING THE ENGINE 12 23 High altitude Operation 24 25 E RA POR PSE ML Oo d RR REN PEE 34 11 TROUBLESHOOTING 1 36 mE 37 C 38 39 14 WARRANTY SERVICE HARE AAA A AE rr HRNERESNENNEN r 5 NR 1 SAFETY INSTRUCTIONS To ensure safe operation Understand the operation of all controls and know how to stop the engine quickly READ THIS 5 MANUAL CAREFULLY 9 Do not exceed the boat manufacturer s power recommendation and be sure the outboard motor is properly mounted Never permit anyone to operate the outboard motor without proper instruction Stop the engine immediately if any passenger falls overboard Do not run the motor while the boat is near any person in the water Exhaust gas contains poisonous carbon monoxide Never run the out board motor in a closed garage or confined area Gasoline is extremely flammable and is explosive un2. ask your authorized Honda Outboard Motor dealer form these carburetor modifications Even with suitable carburetor jetting engine horsepower will descrease approximately 3 5 for each 1 000 foot increase in altitude The affect of altitude on horsepower wHl be greater than this if no carburetor modification is made CAUTION Operation of the Outboard Motor at an altitude lower than the carburetor is jetted for may result in reduced performance overheating and seious engine damage caused by an excessively lean air fuel mixture 24 9 MAINTENANCE Periodic maintenance and adjustment are important to keep the motor in the best operating condition Inspect or service as scheduled below Shut off the engine before performing any maintenance If the engine must be run make sure the area is well ventilated The exhaust con tains poisonous carbon monoxide gas CAUTION O If the engine must be run make sure there is water at feast 4 inches above the anti cavitation plate otherwise the water pump may not receive sufficient cooling water and the extension case will overheat To maintain cooling system efficiency flush the outboard motor with fresh water after each use in salt water Use only genuine HONDA parts or their equivalent The use of replace ment parts which are not of equivalent quality may damage the motor Regular Service Period Perform at every indicated manth or operating hour interval First 20 hour
3. e Make sure you have the tool kit and spare parts with youl p 26 12 6 STARTING THE ENGINE 1 Open the fuel cap vent knob 2 to 3 turns FUEL CAP VENT 553 E Y 2 Turn the fuel valve lever N FUEL VALVE LEVER Ss s a ca 13 3 Move the throttle lever to the START position A N THROTTLE LEYER CAUTION Do not start the engine with the throttle lever in the FAST position or the boat may move suddenly when the engine starts 4 in temperatures below 20 C 68 F use the choke knob CHOKE 14 5 Pull the starter rope slowly until resistance is felt then pull briskly NOTE Do not allow the starter grip to snap back Return it slowly by hand STARTER GRIP 6 After starting be sure water is flowing out of the water check hole CAUTION If water does not flow out or if steam comes out stop the engine Check to see if the water intake is obstructed Do not operate the engine until the problem has been corrected P dia WATER CHECK HOLE 15 7 the choke was used push it in gradually as the engine warms up 3 A 16 Emergency Starting If the recoil starter is not working properly the engine can be started with the spare starter rope in the tool kit 1 Remove the engine cover 2 Remove the recoil starter by removing the three 6 mm nuts 3 Wind the spare rope clockwise around the
4. API standard GL 4 or GL 5 SAE 90 outboard motor gear oil capacity 0 05 0 052 US qt GEAR 089 LEVEL BOLT L x GEAR OIL DRAIN BOLT 28 Spark Plug Service Recommended spark plug BMR 4A AUN 8 Remove the engine cover Remove the spark plug cap Use the wrench supplied in the tool kit to remove the spark plug Visually inspect the spark plug Discard it if the insulator is cracked or chipped Measure the plug gap with a feeler gauge The gap should be 0 6 0 7 mm 10 024 0 028 in Correct as necessary by bending the side electrode Attach the plug washer Thread the plug in by hand to prevent cross threading Tighten a new spark plug 1 2 turn with the wrench to compress the washer If you are reusing a plug it should only take 1 8 1 4 turn after the plug seats Reinstall the engine cover CAUTION The spark plug must be securely tightened An improperly tightened plug can become very hot and possibly damage the engine Never use a spark plug with an improper heat range 0 6 0 7 mm 0 024 0 028 in SOCKET WRENCH 29 m rr mr rss rrsaTaamsa s lt aiscmsTTwHumisia Cleaning and Flushing After each use in salt water or dirty water thoroughly clean and flush the outboard motor 1 Wash the outside of the outboard motor with clean fresh water 2 Remove the propeller 3 Stand the motor in a suitable contain
5. pulley to start the engine CAUTION Keep clear of moving parts 4 Reinstall the engine cover CAUTION Do not operate without the engine cover Exposed moving parts could cause injury and water may damage the engine STARTER ROPE 17 7 OPERATION 1 Cruising Turn the throttle lever toward FAST to increase speed For normal cruis ing open the throttle about 3 4 NOTE For best performance passengers and equipment should be distributed to balance the boat evenly from side to side and parallel to the water from front to back S x raw alii IZ a THROTTLE LEVER 18 2 Steering To turn to the right swing the steering handle to the left To turn to the left swing the handle to the right For smooth steering adjust the steering friction bolt so that a slight drag is felt when turning TO GREASE gt gt S TO DECREASE FRICTION STEERING FRICTION BOLT r2 19 3 Reverse 1 Move the throttle lever to the SLOW position CAUTION Do not reverse the motor while the throttle lever is beyond the SLOW position or the boat could overturn 20 4 Tilting the Motor Tilt the motor to prevent the propeller and gear case from hitting bottom when the boat is beached or stopped in shallow water 1 Stop the engine and turn the fuel valve lever off 2 Close the fuel cap vent knob 3 Use the carrying handle to raise the motor The spring loaded til
6. upper level mark on the dipstick Oil capacity 0 4 0 42 US qt OIL FILLER CAP UPPER LEVEL 10 4 f LOWER LEVEL 0 2 DIPSTICK DIL FILLER CAP CAUTION Used motor oil may cause skin cancer if repeatedly left in con tact with the skin for prolonged periods Although this is unlikely unless you handle used oil on a daily basis it is still advisable to thoroughly wash your hands with soap and water as soon as possible after handling used NOTE Please dispose of used motor oil in a manner that is compatible with the environment We suggest you take it in a sealed container to your local service station for reclamation Do not throw it in the trash or pour it on the ground 21 Gear Oil Check Change Oil Level Check Check the oil level when engine is in the vertical position Remove the level bolt and see if oil flaws out If no oil comes out fill through the drain bolt hole until the oil starts to flow out through the level bolt hole If there is water tn the oil the water will flow out first when the drain bolt is removed or the ail will be a milky color Oil Change Remove the level bolt and drain bolt to drain the oil Inject oil through the drain hole until it starts flowing out through the level hole Reinstall and tighten the level bolt and drain bolt securely CAUTION If water is detected in the oil the unit should be inspected by an authorized Honda dealer Recommended
7. 2 horsepower Do not exceed the boat manufacturer s power recommen dation Damage and injury may result 1 Installation Position Install at the stern at the center line of the boat 2 Installation Height Make sure that the transom height is correct for the motor Incorrect installation height will reduce per formance The motor should be installed so that the anti cavitation plate 15 2 5 cm 0 8 2 0 in below the nun bottom of the boat CAUTION The water level must be at least 4 inches above the anti cavitation plate otherwise the water pump may not receive suffi cient cooling vvater and the exten sion case will overheat 3 Motor Attachment Attach the stern bracket to the transom and tighten the clamp Screws CAUTION While operating the boat check the tightness of the clamp screws occasionally Tie a rope through the hole in the stern bracket and secure the other end of the rope to the boat This will prevent acciden tal loss of the motor 2 5 cm 0 8 2 0 in STERN BRACKET SAFETY ROPE CLAMP SCREW 4 Motor Angle Adjust the motor so the axis of the propeller is parallel with the water surface INCORRECT CAUSES BOAT TO SQUAT CORRECT GIVES MAXIMUM PERFORMANCE INCORRECT CAUSES BOAT TO PLOW 5 Motor Angle Adjustment If the propeller axis is not parallel with the water adjust the angle of the motor by relocating the ad justi
8. INSPECTION WINDOW UPPER LEVEL 0 4 f LOWER LEVEL 0 2 10 DIPSTICK 2 Check the fuel level Use any regular grade automotive gasoline unleaded gasoline is prefer red with a pump octane rating of 86 or higher Never use an oil gasoline mixture or dirty gasoline Avoid getting dirt dust or water in the fuel tank CAUTION Gasoline substitutes are not recommended they may be harmful to the fuel system components Fuel tank capacity 1 0 f 0 26 US gal Gasoline is extremely flammable and explosive under certain conditions Refuel in a well ventilated area with the engine stopped Do not smoke or allow flames or sparks near the fuel tank 9 Do not overfill the tank and make sure the filler cap is securely closed after refueling Be careful not to spill fuel when refueling Fuel vapor or spilled fuel may ignite If any fuel is spilled make sure the area is dry before star ting the engine FUEL FILLER CAP FUEL TANK pene HI dete aa Genk 52 TEE ae BASIS Se Bul T n ae u w WQ 521 ES aa Be nn es 8 EU vA OTE m 11 3 Check the following items Check the propeller the shear pin and the cotter pin to be sure they are secure and undamaged Check the stern bracket to be sure the motor is securely installed Check steering handle operation
9. OWNER S MANUAL Click here to save this manual to your computer HONDA MOTOR CO LTD 1585 Thank you for purchasing a Honda Outboard Motor This manual covers operation and maintenance of the Honda Outboard Motor All information in this publication is based on the latest product in formation available at the time of approval for printing Honda Motor Co Ltd reserves the right to make changes at any time without notice and without incurring any obligation No part of this publication may be reproduced without written permission This manual should be considered a permanent part of the Outboard Motor and should remain with the Outboard Motor when it is sold Pay special attention to statements preceded by the following words Indicates a strong possibility of severe personal injury or loss of life if instructions are not followed CAUTION Indicates a possibility of personal injury or equipment damage if instructions are not followed NOTE Gives helpful information If a problem should arise or if you have any questions about the Outboard Motor consult an authorized Honda dealer Honda Outboard Motors are designed to give safe and depen dable service if operated according to instructions Read and understand the Owner s Manual before operating the Outboard Motor Failure to do so could result in personal injury or equipment damage CONTENTS N IA
10. der certain condi tions Refuel in a well ventilated area with the engine stopped Do not smoke or allow flames or sparks where the engine is refueled or where gasoline ts stored Do not overfill the fuel tank and make sure the fuel tank cap is securely closed after refueling Be careful not to spill fuel when refueling Fuel vapor or spilled fuel may ignite If any fuel is spilled make sure the area is dry before starting the engine 2 WARNING LABELS WARNING LABEL LOCATIONS WARNING GASOLINE ONLY 0 3 U S gal 1 Liter WIPE GFF SPILLED GAS OLINE BEFORE STARTING KEEP AWAY FROM FIRE WHEN CARRYING SHUT BREATHER VALVE O READ OWNERS MANUAL BEFORE OPERATING 6 DD NOT OPERATE WITH ENGINE COVER REMOVED CHECK OIL LEVEL BEFORE STARTING PLILL STARTER LIGHTLY UNTIL SOME RESISTANCE 13 FELT THEM FULL BRISK LY JONDA MOTOR MADE IM JAPAN 3 COMPONENT IDENTIFICATION ENGINE COVER STARTER GRIP ENGINE COVER LOCK BAND T ENGINE STOP BUTTON OIL FILLER CAP TILT LEVER STERN BRACKET ADJUSTING ROD ANTI CAVITATION PLATE WATER INTAKE GEAR OIL LEVEL BOLT GEAR DRAIN BOLT PROPELLER BF205 FUEL FILLER CAP FUEL VALVE LEVER THROTTLE LEVER CHOKE KNOB STEERING HANDLE OIL LEVEL INSPECTION WINDOW WATER CHECK HOLE BF20S 4 INSTALLATION It is your responsibility to choose TRANSOM HEIGHT a boat suitable for the engine
11. e spark plug clean and dry the electrode then reinstall the spark plug and attempt to start the engine again If the engine starts and no mechanical damage is evident continue to run the engine for 1 2 hour or longer be sure the water level is at least 4 inches above the anti cavitation plate As soon as possible take the motor to a Honda outboard motor dealer for inspection and service 33 10 TRANSPORTING STORAGE 1 Drain the water from the extension case While depressing the engine stop button to prevent starting pull the Starter rope several times to expel the water from the extension case Bu AE m TV d CAUTION Do not rest the motor on its side until the water has been expelled from the extension case otherwise water will seep into the exhaust system O in cold weather the water must be expelled from the extension case to prevent ice from forming in the water pump and water tube 2 Drain the fuel 1 Turn the fuel valve lever off 2 Remove the fuel filler cap and drain the gasoline from the fuel tank into a suitable container 3 Turn the fuel valve lever on loosen the carburetor drain screw and drain the gasoline into a suitable container 4 After draining retighten the drain screw DRAIN SCREW Fuel vapor or spilled fuel may ignite Do not smoke or allow flames or sparks in the area where fuel is drained or stored 34 3 To carry hold the motor by the car
12. ecified oil Oil capacity Cooling system Exhaust system Spark plug Tank capacity Steering equipment Tilt angle Angle of rotation Overall length X height X width Height from stern bracket to anticavitation plate Standard Propelier No of blades diameter X pitch Dry weight 12 SPECIFICATIONS Specification 2 0 horse power Maximum 4 000 5 000 rpm 4 stroke side valve one cylinder Transisterized magneto Oil singer system Engine standard SE or SF SAE 10W 40 Gear case standard GL 4 5 SAE 90 outboard moter gear oil Engine 0 4 f 0 42 US Gear case 0 05 f 0 052 US qt Engine Forced ais cooling Exhaust system Water cooling Unde rwater exhaust BMR 4A NGK W14MR UIND Automotive gasoline 91 research octane 86 pump octane 1 0 0 26 US gal Bar handle 75 360 410 x 930 x 275 mm 16 1 36 6 10 8 in 450 x 1 080 x 275 mm 16 1 x 42 5 x 10 8 ini S Model 420 mm 18 5 in L Model 570 mm 22 4 in 3 184 X 120 mm 7 1 4 X 4 23 32 in 5 Model 12 5 kg 27 56 Ib L Model 13 0 128 66 Ib 37 13 OPTIONAL PARTS GEAR OIL 38 14 WARRANTY SERVICE Owner Satisfaction Your satisfaction and goodwill are important to your dealer and to us All Honda warranty details are explained in the Distributor s Limited Warranty Normaily any problems concerning the product will be handled by your dealer s service department If you have a warranty problem t
13. er of water The water level must be at least 4 inches above the anti cavitation plate 4 Start the engine and run slowly for at least 5 minutes ANTI CAVITATION PLATE For safety the propeller must be removed Be sure the outboard motor is securely mounted and do not leave it unattended while running CAUTION Running the engine without water can cause damage to the ex tension case due to overheating Be sure that water flows from the water check hole while the engine is running If not stop the engine and deter mine the cause of the problem 30 ma II xwu lt uaawNTI timnWarrrr rr Lubrication Wipe the outside of the engine with a cloth dipped in oil Apply marine anti corrosion grease to the following parts THROTTLE LEVER TILT LEVER CLAMP SCREW STEERING FRICTION BOLT ADJUSTING ROD GREASE NIPPLE 31 EE HL Shear Pin Change A shear pin is used to protect the propeller and drive mechanism from damage when the propeller strikes an obstruction 1 Remove the cotter pin and the propeller 2 Remove the broken shear pin and replace it with a new one 3 install the propeller 4 Install anew cotter pin and spread the ends as shown in the illustration 9 c Wl S 32 COTTER PIN SHEAR PIN SPEAR SHEAR PINS AND COTTER PINS Servicing a Submerged Motor A submerged motor must be serviced immediately after it is recovered from the water in order to m
14. hat has not been handled to your satisfaction we suggest you take the following action Discuss your problem with a member of dealership management Often complaints can be quickly resolved at that level If the problem has already been reviewed with the Service Manager contact the owner of the dealership or the General Manager f your problem still has not been resolved to your satisfaction contact the Customer Relations Department of American Honda Motor Co Inc American Honda Motor Co Inc Customer Relations Department P O Box 420 Gardena California 90247 0842 Telephone 213 604 2400 We will need the following information in order to assist you Your name address and telephone number Product model and serial number Date of purchase Dealer name and address Nature of the problem After reviewing all the facts involved you will be advised of what action be taken Please bear in mind that your problem will Jikely be resolved at the dealership using the dealer s facilities equipment and personnel so It is very important that your initial contact be with the dealer Your purchase of a Honda product is greatly appreciated by both your dealer and American Honda Motor Co Inc We want to assist you in every way possible to assure your complete satisfaction with your purchase 39 Current customer service contact information Your owner s manual was written to cover most of the
15. inimize corrosion If there is a Honda outboard motor dealership nearby take the motor im mediately to the dealer lf you are far from a dealership proceed as follows 1 2 3 Remove the engine cover and rinse the motor with fresh water to remove salt water sand mud et Loosen the carburetor drain screw ip 34 drain the contents of the car buretor into a suitable container then retighten the drain screw Change the engine oil 27 If there was water in the engine crankcase or the used engine oil s signs of water contamination then sec ond engine oil change should be performed after running the engine for 1 2 hour Remove the spark plug While pressing the engine stop button pull the recoil starter several times to completely expel water from the cylinder CAUTION When cranking the engine with an open ignition circuit spark plug removed from the ignition circuit keep the engine stop button depressed to prevent electrical damage to the ignition system the motor was running when tt submerged there be mechanical damage such as bent connecting rod If the engine binds when cranked do not attempt to run the motor until it has been repaired Pour a teaspoon of engine oil into the spark plug hole then pull the recoil starter several times to lubricate the inside of the cylinder Reinstall the spark plug Attempt to start the engine If the engine fails to starts remove th
16. ng bolt on the stern brackets There are four adjustment positions 1 Loosen the wing nut to free the adjusting bolt 2 Adjust the angle of the motor and tighten the wing nut Be sure that the bolt head and wing ADJUSTING ROD nut are seated in one of the four AND WING NUT recesses on the adjustment slot 5 PRE OPERATION CHECK_ 1 Check the engine oil level CAUTION Engine oil is a major factor affecting engine performance and service life Non detergent and low quality oils are not recommended Running the engine with insufficient oil can cause serious engine damage Use Honda 4 stroke oil or an equi valent high detergent premium quality motor oil certified to meet or exceed U S automobile 20W 40 20W 50 manufacturer s requirements for Service Classification SE or SF Motor oils classified SE or SF wil show this designation on the container 40 60 80 100 Ek bi od 3p 20 10 0 10 20 30 40 Select the appropriate viscosity for the average temperature in your area SAE 10W 40 is recommend ed for general all temperature use 1 Position the outboard motor vertically and check the oil level in the oil level inspection window 2 If the oil level is down toward the lower level mark on the window fill up to the 0 4 f mark on the dipstick NI nn dL cg EN w SY vj d CM 5 7 66 Sy LOWER OPER LEVEL Oc a LU 1 C OIL LEVEL
17. questions you might ask about your Honda Any questions not answered in the owner s manual can be answered by your Honda dealer If your dealer doesn t have an immediate answer they should be able to get it for you If you a difference of opinion with your dealer please remember that each dealership is independently owned and operated That s why it s important to work to resolve any differences at the dealership level If the service personnel are unable to assist you please discuss your concerns with the dealer management such as the Service Manager or the dealership s owner If you need to contact American Honda regarding your experiences with your Honda product or with your dealer please send your comments to the following address American Honda Motor Co Inc Marine Division Customer Relations Office 4900 Marconi Drive Alpharetta GA 30005 8847 Or telephone 770 497 6400 M F 8 30 am 7 00 pm EST When you write or call please provide the following information Your name address and telephone number complete with area code Model and complete serial number Date of purchase Name and location of the selling dealer Name and location of the servicing dealer if different A detailed description of your concerns 40 MEMO
18. rying handle Do not carry by the engine cover 4 Transport and store the motor either vertically or horizontally as shown here Vertical transport or storage Attach the stern bracket to a stand Horizontal transport or storage Rest the motor on the case protector the side opposite the steering handle CAUTION Any other transport or storage position may cause damage or oil leakage 5 Store the outboard motor in a clean dry area NOTE Before storing clean flush and lubricate the outboard motor as described on pages 30 and 31 35 11 TROUBLESHOOTING Engine Will Not Start 1 15 there fuel in the fuel tank 2 15 the fuel cap vent knob turned to ON 3 15 fuel reaching the carburetor Loosen the carburetor drain screw to see if there is fuel in the carburetor float bowl If any fuel is spilled make sure the area is dry before testing the spark plug or starting the engine Fuel vapor and spilled fuel may ignite 4 15 the spark plug firing a Remove and inspe spark plug Clean and dry the plug and check the electrode gap 29 b Install the spark plug in its cap and ground the side electrode to any engine ground c Pull the recoil starter briskly and see if the plug sparks d lf the spark plug is OK reinstall it and try to start the engine Extension Case Overheats 1 18 the water intake clogged 36 Spark plug gap Starter system Ignitio n sy stem Lubrication system Sp
19. s Every 100 Every 200 whichever occurs first hours or 1 Month 5 Months 1 Year IFE ENGINE OIL CHANGE GEAR CASE CIL CHANGE CHECK FOR WATER GEAR CASE OIL contamination SPARK PLUG CLEANING ADJUST COMBUSTION CHAMBER AND VALVE CLEANING r 1 VALVE TAPFET CLEARANCE ADJUSTMENT CARBURETOR LINKAGE CHECK FUEL PIETER NOTE t1 Lubricate more frequently when used in salt water 2 These items should be serviced by an authorized Honda dealer unless the owner has the proper tools and is mechanically proficient See the Honda Shop Manual 25 Tool kit and spare parts The following tools and spare parts are supplied with the outboard motor for maintenance adjustment and emergency repairs TOOL KIT SS FLAT SC HEWDRIVER Cx PLIERS TOOL BAG 10 x 12 mm WRENCH A PHILLIPS SCREWDRIVER Eepo ED SPARE UC PLUG EMERGENCY PLUG SCREWDRIVER STARTER ROPE HANDLE SOCKET WRENCH COTTER PINS SHEAR PINS 26 Engine Oil Change Drain the oil while the engine is still warm to assure rapid and complete draining 1 Turn the fuel valve lever OFF and close the fuel cap vent knob 2 Remove the oil filler cap and turn the motor on its side to drain the oil 3 Stand the engine an_upright position and fill the crankcase with the recommended oil seep 10 Check the oil level with the dipstick resting on the filler opening do not screw in Fill to the
20. t lever will automatically move into position and hold the motor when it reaches approximately 75 4 To return the motor to the normal RUN position hold the motor by the carrying handle and pull the tilt lever toward you then lower the motor slowly CARRYING HANDLE TILT LEVER CAUTION Do not transport the motor in the tilted position it may drop suddenly causing damage to the boat or the motor 21 CAUTION To avoid damaging the motor use the utmost care when moor ing a boad especially when its motor is tilted up Don t allow the motor to strike against the pier or other boats CAUTION To avoid damaging the motor never use it as a handle for lif ting or moving the boat 22 8 STOPPING THE ENGINE 1 Move the throttle lever all the way to the left THROTTLE LEVER 2 Push the stop button unti the engine stops running ENGINE STOP BUTTON 3 Turn the fuel valve lever OFF FUEL VALVE LEVER 23 4 Close the fuel cap vent knob ASS N oo FUEL CAP VENT KNOB W High altitude operation At high altitude the standard carburetor air fuel mixture will be ex cessively rich Performance will descrease and fuel consumption will increase High altitude performance can be improved by installing a smaller diameter main fuel jet in the carburetor and readjusting the pilot screw If you always operate the riding mower at altitudes higher than 6 000 feet above sea level
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