OPERATING INSTRUCTIONS
Contents
1. Switch to a recommended brand of fuel page 2 6 Poor quality Svvitch to a recommended brand of fuel page 2 7 Engine not primedq Prime engine page 7 8 EZ Start battery not charged Use a freshly charged battery page 6 9 EZ Start ground wire yellow faulty Clean tighten or replace ground wire 10 EZ Start motor wire loose Check motor connections on the EZ Start motor 11 One way starter bearing slipping Remove EZ Start Clean or replace bearing page 13 12 EZ Start gears damagedq Listen for excessive gear noise Replace gears motor 13 Glow plug wire loose from glow plug Crimp the connector on the glow plug wire 14 Glow plug wire damaged Replace or repair glow plug wire 15 Leaking glow plug gasket Check glow plug gasket tighten glow plug 16 Glow plug fouled or vveak Check for two solid green lights when the EZ Start button is pressed No glow plug light indicates a faulty plug Replace with a Traxxas part 3230 3232 or 3232X glow plug page 11 17 Engine flooded Clear the engine of excess fuel page 11 18 Engine overheatedq Allovv engine to cool find cause for ove2. OPERATING INSTRUCTIONS MODEL 45104 1 KC2218 RO0 140919 WARNING Carefully read and follow all instructions in this and any accompanying materials to prevent serious damage to your model Failure to follow these instructions will be considered abuse and or neglect Introduction Thank you for purchasing the Traxxas Nitro Sport This manual contains the instructions you will need to operate and maintain your Nitro Sport Look over the manual and examine the Nitro Sport carefully before running it If for some reason you think the Nitro Sport is not what you wanted then do not continue any further Your hobby dealer absolutely cannot accept a Nitro Sport for return or exchange after it has been run Please read ALL of the operating instructions and precautions before attempting to drive the Nitro Sport Even if you are an experienced R C enthusiast continue reading to learn about Nitro Sports unique features Pay special attention to the mechanical and safety precautions outlined in the manual If you have any questions about your model or its operation call the Traxxas Technical Support Line toll free at 1 888 TRAXXAS 1 888 872 9927 outside the U S call 972 549 3000 Technical support is available Monday through Friday from 8 30am to 9 00pm Central Standard Time Technical assistance is also available through our website at Traxxas com e mail us at support Traxxas com We hope that you will enjoy many hours of fun with y
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4. This is most likely to happen on new engines during break in but can also happen at other times If the engine is stuck at TDC use the following procedure to release the piston from the sleeve 1 Remove the glow plug using the included tool or 8mm 5 16 nut driver and verify that the piston is at the top of its stroke 2 Usea flat blade screwdriver to rotate the flywheel Place the blade of the driver into one of the grooves of the flywheel and push down turning the flywheel counterclockwise when viewed from the front The flywheel should turn unsticking the piston from the sleeve 3 Put two or three drops of light machine oil into the glow plug hole to lubricate the piston and sleeve Do not use too much oil it will hydro lock the engine Verify the starter will spin the engine with the glow plug out 4 Rotate the flywheel so the piston is at bottom dead center and replace the glow plug with the gasket Reconnect the blue glow plug wire 5 You should now be able to start the engine with the EZ Start A S v JO uluuld y o uoney l ul uo sid y JO uUOHEO0 y BYEOIPUI O yew e YO EIOS 0 Aqqou e sn uoneu uo wes y Ul Pe quuesseaL snu Adu p lqul ssesip aie A S pue uolsid y U UAA 195 e ae A pue uolsid yL Ci 4315 Alqul sse Bulnp MOU e UUM 13 NSED 4 964 y ejd y yeys 8 1 pue pj
5. Under normal conditions the slipper clutch should not slip Before adjusting the slipper clutch turn the model off Do not adjust the slipper clutch while the engine is running Use the supplied wrench to tighten the slipper nut clockwise until it stops and then back the nut out 1 4 of a turn If you notice any decrease in performance after making changes to the slipper clutch adjustment then it may be too loose The slipper must not be allowed to slip during normal acceleration or the slipper could be damaged Changing the Clutch Bell and Spur Gears Remove the 4mm nylon locknut and the spring from the slipper clutch Try to remove the slipper clutch as one assembly by holding the pressure plates together with your thumb and Remove the rubber exhaust pipe and the tuned pipe Remove the electric starter drive Loosen the four 3x8mm cap head screws that hold the slotted adjusting plates to the engine mount Slide a strip of thin note paper between the spur gear and the clutch bell gear Push the clutch bell gear against the spur gear and tighten the 3x8mm adjusting plate screws Remove the paper the gear mesh should be correctly adjusted Remove the large E clip on the clutch shaft and the clutch bell gear Remove the ball bearings and install them in the new clutch bell gear Reinstall the clutch bell gear and E clip Note Smaller clutch bell gears use smaller ball bearings Refer to your parts list for the corr
6. transmitter The transmitter has two channels channel one operates the steering and channel two operates the throttle The receiver inside the model has three output channels Your model is equipped with two servos and a receiver 2 4GHz Spread Spectrum This model is equipped with the latest R C technology Unlike AM and FM systems that require frequency crystals and are prone to frequency conflicts the TQ 2 4GHz system automatically selects and locks onto an open frequency and offers superior resistance to interference and glitching Current Current is a measure of power flow through the electronics usually measured in amps If you think of a wire as a garden hose current is a measure of how much water is flowing through the hose Frequency band The radio frequency used by the transmitter to send signals to your model This model operates on the 2 4GHz direct sequence spread spectrum mAh Abbreviation for milliamp hour a measure of the capacity of the battery pack The higher the number the longer the battery will last between recharges Neutral position The standing position that the servos seek when the transmitter controls are at the neutral setting NiCad Abbreviation for nickel cadmium The original rechargeable hobby pack NiCad batteries have very high current handling high capacity and can last up to 1000 charging cycles Good charging procedures are required to reduce the possibility of developing
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8. a memory effect and shortened run times NiMH Abbreviation for nickel metal hydride Rechargeable NiMH batteries offer high current handling and much greater resistance to the memory effect NIMH batteries generally allow higher capacity than NiCad batteries They can last up to 500 charge cycles A peak charger designed for NiMH batteries is required for optimal performance Receiver The radio unit inside your model that receives signals from the transmitter and relays them to the servos Servo Small motor units in your model that operates the steering and throttle mechanisms Transmitter The hand held radio unit that sends throttle and steering instructions to your model Trim The fine tuning adjustment of the neutral position of the servos made by adjusting the steering trim knob on the face of the transmitter 2 channel radio system The TQ radio system consisting of the receiver the transmitter and the servos The system uses two channels one to operate the throttle and one to operate the steering Transmitter Red Green Status LED Steering Wheel Set Button Steering Trim Throttle Trigger Power Switch Battery Compartment Nitro Sport Wiring Diagram 4 Cell Battery Holder Switch CH3 Battery i 2 Throttle Servo ee Kei CH1 Steering Servo 1 Channel 1 Not used Receiver Channel 2 Throttle Servo Channel 1 Steering Serv
9. automobile s auxiliary power socket If the cord will not reach outside of the automobile find another power source e Never leave batteries to charge unattended Allow the battery pack to cool off before charging Do not use battery packs that have been damaged in any way Do not use battery packs that have damaged wiring exposed wiring or a damaged connector as this may create the risk of fire e Children should have responsible adult supervision when charging and handling batteries e Never charge batteries on wood cloth carpet or on any other flammable material e Do not operate the charger in a cluttered space or place objects on top of the charger or battery e If a battery gets hot to the touch during the charging process temperature greater than 140 F 60 C disconnect the battery from the charger and discontinue charging immediately e Always store battery packs safely out of the reach of children and pets Do not expose the charger to water or moisture Do not disassemble the charger Only use approved chargers for Nickel Metal Hydride NiMH battery packs Do not exceed the maximum charge rate of 2 amps Do not short circuit the battery pack This may cause burns and severe damage to the battery pack Do not burn or puncture the batteries Toxic materials could be released If eye or skin contact occurs flush with water e Store the battery pack in a dry location away from heat sources and direct
10. been factory preset for break in Do not re adjust your carburetor settings unless you suspect a problem The following steps are for reference only while the engine is running AIR INTAKE High Speed Mixture Setting FUEL INLET The high speed mixture screw controls how much fuel enters the engine during mid and high speed operation Turn the high speed mixture screvv clockvvise by hand until it stops do not tighten or the needle may be damaged Then turn the mixture screvv counterclockwise 272 turns Setting the Idle Speed The idle screw regulates the throttle opening to control the idle speed The throttle opening at idle should be set as shown in the drawing The opening should be 1 to 1 A millimeters at the widest point in the opening The engine may not idle well until it is warmed Always use the idle speed adjustment screw to control engine idle IDLE SPEED SCREW HIGH SPEED MIXTURE SCREW LOW SPEED MIXTURE SCREW 170 1 5mm 2 THROTTLE THROTTLE THROTTLE CLOSED AT IDLE OPEN Low Speed Mixture Setting This screw meters the fuel at low speeds The low speed mixture screw is located in the end of the carburetor inside the throttle arm This screw controls how much fuel enters the engine at idle and low throttle This adjustment will smooth the idle and improve acceleration to mid speed Make this adjustment with the throttle closed after setting the idle Gently turn
11. receiver are powered on Steering reversing procedure 1 Press and hold the SET button on the transmitter for two seconds The status LED will flash green 2 Turn and hold the steering wheel to the full left or full right position it does not matter which position you choose 3 While holding the steering wheel in position press the SET button to reverse the channel 4 The channel is now reversed Confirm correct servo operation before running your model Throttle reversing procedure 1 Press and hold the SET button on the transmitter for two seconds The status LED will flash green 2 Move and hold the throttle trigger to the full forward or full brake position 3 While holding the throttle trigger in position press the SET button to reverse the channel 4 The channel is now reversed Confirm correct servo operation before running your model Warning Changing the direction of the throttle servo will also No matter how fast or far you drive your model always leave change its neutral position Be certain to confirm the throttle adequate space between you the model and others Never servo properly closes the engine s throttle opening when the drive directly toward yourself or others transmitter s trigger is at neutral a 99 TQ 2 4GHz Binding Instructions P P For proper operation the transmitter and receiver must be Using the Radio System electronically bound This has been done for you at the factory The T
12. too lean Richen the high speed mixture page 8 24 Idle speed set too ovv Increase idle speed page 8 25 Fuel flow blockedq Check that all fuel lines are clear with no pin hole leaks Check for dirt blockage in the carburetor fuel inlet and high speed needle seat Install inline fuel filter 26 Air bubble in the fuel line Prime the engine to force the air through Check for pinhole leaks in the fuel line 27 Insufficient fuel tank pressure Replace the pressure hose between pipe and fuel tank Clear blockage in the tuned pipe hose fitting Check flow to and from tank Check fuel tank cap seal 28 Engine overheated Allovv engine to cool Find cause for overheating 29 Engine over geared for application Use a lovver gear ratio page 9 30 Engine clutch slipping Replace clutch shoes see engine repair section page 14 31 Drive system is bound Locate the bound item and repair 32 Engine excessively vvorhn Repair or replace engine page 13 33 Cooling air to the head is blocked Cut ventilation holes in the body vvindshield 34 Excessive load on the engine Check for bound drivetrain 35 Broken clutch shoe spring Replace clutch s
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14. Do not kink the antenna wire Kinks in the antenna wire will reduce range 2 Do not cut the antenna stinger or any other part of the antenna wire Cutting the antenna will reduce range e You must extend the antenna wire in the model as far as possible for maximum range In doing so the antenna wire will be extended outside of the vehicle body Do not wrap or coil the antenna wire to keep it from extending out of the body Correct No No No No Do not allow the antenna wire to extend outside the body without the protection of an antenna tube or the antenna wire may incur crash damage that could reduce range Most importantly use good common sense at all times Batteries and Battery Charging Your model uses rechargeable batteries that must be handled with care for safety and long battery life Make sure to read and follow all instructions and precautions that were provided with the battery packs and your charger It is your responsibility to charge and care for the battery packs properly In addition to your battery and charger instructions here are some more tips to keep in mind e Use the supplied chargers to charge the included battery See Charging the EZ Start Battery on page 6 Do not charge batteries inside of an automobile Do not charge batteries while driving in an automobile The charger is equipped with a long cord intended to allow the battery to be charged outside of an automobile when using the
15. LED should light green while starting If either LED fails to light while starting there is a fault indicated with that function If the Glow Plug LED fails to light the glow plug may be bad or the glow plug wire may be damaged or disconnected If the Motor LED fails to light and the starter fails to operate then the EZ Start is in protection mode Protection Mode The EZ Start uses Smart Start technology to monitor the condition of the system and detect failures The controller monitors the load being placed on the EZ Start motor If the load becomes excessive the system shuts off power to the motor to prevent costly damage to the motor and the controller This may occur for example if the engine floods with fuel during starting The starter spins at first but when excessive fuel in the combustion chamber begins to lock up the engine the starter motor slows under the heavier load This causes the protection circuit to shut off the power to the motor Allow at least three minutes for the starter motor to cool and the circuit to automatically reset before continuing Use the time to find and eliminate the condition that caused the excessive load on the starter motor Use a Strong Starter Battery A weak starter battery or one that has not been fully charged may not deliver enough power to crank the engine over at the appropriate rpm to keep the piston from sticking at top dead center TDC A new engine will typical
16. Q 2 4GHz Radio System has been adjusted at the factory for Should you ever need to re bind the system or bind to an correct operation with your model The adjustment should be additional transmitter or receiver follow these instructions Note checked before running the model in case of movement during the receiver must be connected to a 4 8 6 0v nominal power shipping Follow these steps source for binding and the transmitter and receiver must be within 1 Turn the transmitter switch on The status 5 feet of each other LED on the transmitter should be solid 1 Press and hold the SET button on the transmitter green not asning G2 2 Turn on the transmitter and release the SET button The status 2 Turn on the receiver switch in the model LED will flash red slowly indicating that the transmitter is in bind The switch is located on the rear shock mode tower 3 Position the model so that its front wheels are off the ground 3 Press and hold the LINK button on the receiver 4 Turn on the vehicle and release the LINK button The LED on the 4 Turn the steering wheel on the transmitter back and forth and receiver will flash red indicating that the receiver is in bind mode check for rapid operation of the steering servo Also check that the steering mechanism is not loose or binding If the steering operates slowly check for weak receiver batteries 5 When looking down at the model the front wheels should be poin
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18. and must not be co located or operated in conjunction with any other antenna or transmitter TRAXXAS cCOM Traxxas 6200 Traxxas Way McKinney TX 75070 Phone 972 549 3000 Fax 972 549 3011 e mail support Traxxas com
19. bout twenty degrees hotter when it s ninety degrees outside than it would in seventy degree weather For this reason we cannot give you a definitive temperature range that indicates the best possible engine tuning The temperature gauge can aid you in tuning by giving youa relative indication of how your adjustments are affecting the engine and by preventing you from exceeding maximum engine temperature For example as you lean the fuel mixture the engine performance will increase along with the temperature If you continue to lean the fuel mixture and the temperature increases but the engine performance does not change then you have exceeded the maximum safe lean setting If tuning for maximum performance results in engine temperature exceeding 300 F try to increase airflow to the engine by cutting out the rear of the body windshield and front valance If the engine temperature still cannot be kept in check richen the high speed needle slightly Adjustments Toe in Geometry and alignment specifications play an important role in your truck s handling so take the time to set them correctly Set the steering trim on your transmitter to neutral Now adjust your tie rods so that both wheels are pointing straight ahead and are parallel to each other 0 toe in This will ensure the same amount of steering in both directions If you run out of adjustment then the steering servo will have to be re centered see Centering your S
20. ce by starting rich and moving toward the ideal setting Never try to tune from the lean side There should always be a light stream of blue smoke coming from the exhaust Before you begin tuning the engine should be warmed up to its normal operating temperature and running slightly rich All final tuning adjustments must be made to the engine at its normal operating temperature You can tell the engine is running rich by noting any of the following e Sluggish acceleration with blue smoke coming from the exhaust e There is unburned fuel spraying from the exhaust tip e Leaning the high speed fuel mixture increases performance High Speed Fuel Mixture Adjustment With the engine warm and running at a rich setting gradually lean the high speed fuel mixture in 1 16 turn increments Make several high speed passes with the Nitro Sport after each adjustment to clear out the engine and note any change in performance Continue this procedure until one of the following conditions exists 1 There is no longer any performance improvement 2 The engine begins to cut out at high speed 3 There is a sudden loss of power during acceleration 4 The engine begins to overheat Symptoms of overheating include e Steam or smoke coming from the engine not exhaust Hesitation or stalling during acceleration e Popping or clattering sound when decelerating detonation e Fluctuating idle speed e Temperature measurement above 300 at the glow plug If any one of
21. connecting rod At the end of the first tank of fuel stop the engine and allow it to cool for 5 10 minutes before proceeding DRIVING PRECAUTIONS The radio system is not waterproof Avoid driving through puddles wet grass or mud Water could damage the electronics e Do not continue to operate the Nitro Sport with low batteries After the battery power drops below a certain point the model will continue with the last command it had from the transmitter Indications of low battery power include slow operation and sluggish servos On the transmitter a flashing red light indicates low transmitter batteries e Do not drive the Nitro Sport at night on public streets or in large crowds of people If the truck becomes stuck do not continue to run the engine Remove the obstruction before continuing to drive Do not attempt to push or tow objects with the Nitro Sport e The model is controlled by radio It is subject to radio interference from many sources beyond your control Since radio interference can cause momentary loss of control allow a safety margin around the truck in order to prevent collisions e Use common sense whenever you are driving your model Intentionally driving in an abusive and rough manner will only result in poor performance and broken parts Tanks Two Through Four Shut off the engine and allow it to cool for 5 10 minutes then refuel Turn the high speed needle in 15 clockwise Turn on the rad
22. cool itself e Tighten the wheel nuts especially on the left side After each running session Perform after run maintenance on the engine This clears the engine of destructive moisture and other corrosive deposits This is extremely important for the life of the engine e Inspect the gears for wear broken teeth or debris lodged between the teeth e Inspect the vehicle for obvious damage or wear Look for 1 Loose or missing screws 2 Cracked bent or damaged parts 3 Cut or loose wiring 4 Cut or kinked fuel lines 5 Signs of fuel leakage Other periodic maintenance e Connecting rod The connecting rod should be replaced when the piston and sleeve are replaced Also replace the piston wrist pin and G clip whenever the connecting rod is replaced As with other internal engine components connecting rod life depends on engine usage and the quality and frequency of engine maintenance Inspect the connecting rod after three gallons of fuel have been used Slipper clutch pegs friction material The slipper clutch pegs will wear over time and require replacement The life of the pegs depends on how the slipper clutch was adjusted and how the Nitro Sport was used If the slipper will not tighten or you are seeing signs of wear on the face of the gear then the pegs should be replaced e Piston sleeve The life of the piston and sleeve will vary greatly with how the engine was used and maintained The piston and sleeve shoul
23. cover 73 feet every second It s a thrill but use caution to keep your model in range If you want to see your model achieve its maximum speed it is best to position yourself in the middle of its running area not the far end so you drive the model toward and past your position n addition to maximizing the radio s range this technique vvill keep your model closer to you making it easier to see and control Preparing to Run Charging the EZ Start Battery The included charger can be used to charge the included EZ Start battery pack Do not charge batteries inside of an automobile Read the Safety Precautions section of this guide 1 Plug the charger into a 12 volt automotive auxiliary power socket The charger is compatible with 12 volt automotive auxiliary power sockets only The LED on the charger will glow red to indicate it is ready to charge a battery 2 Connect the battery to begin charging Plug the battery into the charger The charger s LED will flash green indicating that charging has begun The flashing green LED on the charger indicates the charge progress 3 Disconnect the battery when charging is complete When the battery is fully charged the LED will light solid green The battery will be warm in your hand Disconnect the battery CHARGE PROGRESS 1 green flash 0 25 charged 25 50 charged 50 75 charged 2 green flashes 3 green flashes 4 green flashes Solid green LED 75 or more c
24. d be replaced when they no longer seal effectively loss of compression Symptoms include the engine being difficult to start when warm stalling when warm and stalling when throttle is suddenly closed to idle Replace the wrist pin and G clip whenever the piston and sleeve are replaced ENGINE TROUBLESHOOTING GUIDE Engine will not start 1 3 7 25 a 16 13 14 21 26 19 35 36 32_ EZStart motorwillnotturn 8 tof 7 J ET EZStart turnsbutenginedoesnot_ 11 12 37 J TT Engine starts and then stalls 16 21 24 26 25 27 32 1157154 Engine sluggish poor performance 3 6 16 15 21 22 20 __ 30 29 38 31 32 Engine overheats 4 5 6 2 23 25 26 33 34 sl Engine overheats Engine chokes hesitatesatspeed 1 2 16 21 23 25 26 27 20 28 Engine stalls under hard acceleration 1 2 16 21 4156 1 Enginestallsaroundtums 1 2 zi 1 J ETT Engine stalls during normal driving T 2 3 16 25 26 27 z zols21 Fill fuel tank 2 Fuel level is lovv Refill fuel tank 3 Improper or contaminated fuel Replace fuel 4 Excessive nitro in the fuel Use fuel with a lower nitro content page 2 5 Incorrect oil content in the fuel
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26. ect bearings Reinstall the sour gear on the top shaft and secure it with the 4mm locknut Centering your Servos Whenever your radio system has been removed for service or cleaning the servos must be re centered prior to installing the radio system in the model If the radio system is installed in the truck disconnect the servo horns from the servos Connect the steering servo to channel 1 on your receiver and the throttle servo to channel 2 The white wire on each servo cable is positioned towards the center Connect the red and black cable from the battery holder to the batt terminal on the receiver The red wire is positive and the black wire is negative Place fresh AA batteries in the transmitter and turn the power switch on Turn the Steering Trim knob to the center position Now install fresh AA batteries into the battery holder and turn the power switch to the on position The servos will automatically jump to their center positions Turn off the battery holder switch followed by the transmitter The servos are now ready to be installed Be careful not to move the servo shaft when reinstalling the servo horns After Run Procedure You must perform after run maintenance on your engine whenever the model will be stored for longer than a few hours Taking the time to prepare your engine for storage will reward you with longer engine life easier starting and better performance When a nitro engine is shut off some exce
27. ep all fuel out of the reach of children at all times Do not place fuel containers on the ground where children can reach them while you are driving Model engine fuel is flammable Never allow smoking sparks heat or flame in the presence of fuel or fuel vapors The engine brakes and exhaust system may become extremely hot during use Be careful not to touch these parts especially when refueling or stopping the engine Prolonged exposure to the engine exhaust be harmful Avoid breathing the engine exhaust Always run your Nitro Stampede outdoors in a well ventilated area Never run the engine indoors Do not operate your Nitro Stampede at night or anytime your line of sight to the model may be obstructed or impaired in any way e Never operate your Nitro Stampede in crowds of people or busy pedestrian areas Nitro Stampede is very fast and could cause injury to those unaware of its presence Keep small children at a safe distance away from the operating area e Because Nitro Stampede is controlled by radio it is subject to radio interference from many sources beyond your control Since radio interference can cause momentary loss of control always allow a safety margin in all directions around your model to prevent collisions The engine can be loud If the noise makes you uncomfortable wear ear protection Be considerate of your neighbors by not running your model early in the morning or late in the evening
28. ervos on page 10 For increased stability add 1 2 of toe in to each front wheel Use the turnbuckles to adjust the alignment 1 2 1 2 Camber The camber angle of both the front and rear wheels can be adjusted with the camber rods upper turnbuckles Use a square or right angle triangle to set the camber accurately Adjust the front wheels to 0 of camber wheel perpendicular to the ground In the rear adjust the wheels to 1 to 2 of negative camber These adjustments should be set with the truck positioned at its normal ride height Shocks The four shocks on Nitro Sport have the most influence on its handling Whenever you rebuild your shocks or make any changes to the pistons springs or oil always do it carefully and in pairs front or rear Piston selection depends on the range of oil viscosities that you have available For example using a two hole piston with a lightweight oil will at one point give you the same damping as a three hole piston with heavier oil We recommend using the two hole pistons with a range of oil viscosities from 10W to 50W available from your hobby shop The thinner viscosity oils 30W or less flow more smoothly and are more consistent while thicker oils provide more damping Use only 100 pure silicone shock oil to prolong seal life PRE LOAD SPACERS The ride height for Nitro Sport can be adjusted by adding or removing the clip on spring pre load spacers I
29. harged 100 charged LED INDICATION Solid Red LED MEANING Ready for Charging Slowly Flashing Green LED Solid Green LED Flashing Red LED Charging see Charge Progress chart Battery Fully Charged Charger error Note If there is a problem with the battery such as a short circuit the charger s LED will flash red Disconnect the battery and unplug the charger from its power source to clear the error Determine the cause of the error before continuing Installing the EZ Start battery 1 Press the tab in the end of the battery compartment door to open A 2 Plug a fully charged 7 2 volt battery pack into the connector inside B 3 Twist the battery 2 or 3 times to twirl the battery plug wires This helps hold the wire and battery in place when the battery is installed in the compartment C 4 Install the battery into the compartment and press the wires securely into place 5 Snap the battery compartment door back on and lock the end tab D Using the EZ Start Your EZ Start controller plugs into a 4 prong receptacle on the battery cover of your Nitro Sport When the red button on the controller is pressed the EZ Start motor begins to spin the engine and power from the control unit heats the glow plug Assuming all settings and preparations are correct the engine should start almost immediately Each of the two status indicator LEDs on the handheld control unit the Motor LED and the Glow Plug
30. hoe spring page 14 36 Loose Replace flywheel nut page 14 37 EZ Start motor pinion stripped Replace EZ Start motor 8 Push the EZ Start button for several seconds This lights the glow plug and burns off any remaining fuel 9 Reconnect the EZ Start motor 10 Do not prime the engine Partially open the throttle and press the EZ Start button The engine should start immediately Glow Plugs The glow plug in your engine is a consumable item which must be replaced periodically to maintain peak performance and starting ease To test for a leaking glow plug place a few drops of fuel around the base of the glow plug when the engine is cool With the engine running look for bubbles around the glow plug If the gasket is leaking tighten the plug or replace the gasket If the Glow Plug LED fails to light the glow plug may be bad or broken However glow plug performance can deteriorate significantly before the element actually burns in two The only sure way to test for a faulty glow plug is to replace it with a new one to see if the problem goes away You can view the glow plug element by removing it and touching it against the engine head 11 while pressing the EZ Start button The glow plug will not light unless it is grounded against the engine Glow plugs can be damaged by particles in the combustion chamber or by running the fuel mixture excess
31. ile the engine is running The on off switch in the model only turns the receiver on and off It does not turn off the engine Always use new or freshly charged batteries for the radio system Weak batteries will limit the radio signal between the receiver and the transmitter Loss of the radio signal can cause you to lose control of your model Radio System Controls Forward Steering Trim The steering trim knob located on the face of the transmitter adjusts the neutral center point of the steering channel If your model pulls to the right or left when the steering wheel is centered turn the knob until the model drives straight when the steering wheel is centered Servo Reversing The TQ 2 4GHz transmitter has been programmed with the correct servo direction settings for your model and should not require adjustment These instructions are for reference and troubleshooting only Reversing a channel reverses the direction of the corresponding servo For example if you turn the steering wheel to the right and the model turns left Channel 1 would need to be reversed to correct the servo direction Use the following procedures to reverse the steering or throttle channel if necessary Servo reversing should only be required if you accidentally reset the direction of a channel Do not reverse the throttle or steering channels unless necessary Note Before performing these procedures make sure that both the transmitter and
32. ink failure out of range low batteries damaged antenna the direction of the model Pointing the transmitter away from the model will reduce radio range Receiver LED Codes LED Color Pattern Name Notes Solid green Normal Driving See page 4 for information on how to Mode use your transmitter controls Range Testing the Radio System Slow red 0 5secon Binding See this page for more information Before each running session with your model you should range 2 ans test your radio system to ensure that it operates properly Flashing fast red Fail Safe Lovv Consistent lovv voltage in the receiver 1 Turn on the radio system and check its operation as described in the previous section 2 Have a friend hold the model vvith the engine off 3 Walk away from the model with the transmitter until you reach the farthest distance you plan to operate the model 4 Operate the controls on the transmitter once again to be sure that the model responds correctly 5 Do not attempt to operate the model if there is any problem with the radio system or any external interference with your radio signal at your location 0 125 secon 0 125 Voltage Detect triggers Fail Safe so that there is sec off enough power to center the throttle servo before it completely loses power Higher Speeds Require Greater Distance The faster you drive your model the more quickly it will near the limit of radio range At 50mph a model can
33. io system and restart the engine Continue driving on your oval course varying your throttle until the second tank of fuel is used up Repeat this process for tanks 3 and 4 Important Do not lean the high speed mixture less than 2 turns out from closed see illustration Also be sure to allow the engine to cool between each run Rich setting Tank 1 2 7 turns out 15 Tank 2 15 Tank 3 15 Tank 4 Slightly rich Top speed testing This amount will vary on each engine 4 Correct setting Performance at 90 Maximum lean position 2 turns out Tuning Your Engine for Best Performance The engine s performance depends on the fuel mixture Turn the mixture needles clockwise to lean the fuel mixture and counterclockwise to richen it Leaning the fuel mixture will increase engine power up to the engine s mechanical limits Never run the engine too lean not enough fuel flow Leaning the engine beyond the safe allowable limits will result in poor performance and engine damage Indications of an overly lean mixture include e Cutting out or sudden loss of power during acceleration e Overheating temperature beyond 300 F at the glow plug Little or no blue smoke coming from the exhaust If any of these conditions are present stop immediately and richen the high speed mixture 1 4 turn The engine will probably be slightly rich at that setting and you can then re tune for performance Always tune for performan
34. ively lean Traxxas makes three glow plugs The standard hot plug part 3230 is the stock replacement plug for Pro 15 engines The optional super duty part 3232 plugs will last longer in most cases however it is a medium temperature plug so performance may be reduced slightly Do not use plugs with idle bars Carburetor Dirt is the main enemy to your carburetor If you notice a sudden change in the fuel mixture lean and performance of your model you may have dirt lodged in the carburetor To dislodge a dirt particle in your carburetor try screwing the high speed needle all the way in and then back out to its original settings If the engine doesn t return to normal operation then try backing the mixture screw out and priming the engine to force fuel through the carburetor Return the mixture screw back to its original setting The engine will be flooded at this point so follow the directions for relieving a flooded engine If this fails then the carburetor will need to be removed and cleaned with denatured alcohol Do not blow on carburetor passages or fuel lines with your mouth Fuel and solvents are extremely poisonous To prevent this from occurring again insert a fuel filter in the line between the tank and the carburetor Piston stuck at top dead center TDC Top dead center is the position where the piston is at the very top of the tapered sleeve Occasionally an engine can get stuck at this position
35. llow these steps to install the antenna and antenna tube 1 Locate the plastic antenna tube supplied with the model Slide the antenna wire into the antenna tube to its full extent When fully inserted the wire should reach to approximately 1 2 inch below the tube cap Do not leave any slack in the antenna wire 2 nsert the antenna tube into the antenna mount taking care not to crimp the antenna wire To prevent loss of radio range do not kink or cut the black vvire do not bend or cut the metal tip and do not bend or cut the vvhite vvire at the end of the metal tip Do not shorten the antenna tube Radio System Rules Always turn your TQ 2 4GHz transmitter on first and off last This procedure will help to prevent your model from receiving stray signals from another transmitter or other source and running out of control Your model has electronic fail safes to prevent this type of malfunction but the first best defense against a runaway model is to always turn the transmitter on first and off last In order for the transmitter and receiver to bind to one another the receiver in the model must be turned on within 20 seconds of turning on the transmitter The transmitter LED will flash fast red indicating a failure to link If you miss it simply turn off the transmitter and start over Always have the transmitter and receiver turned on before you start the engine Never turn the radio system off wh
36. ly have a tight fit between the piston and the top of the sleeve This is a tapered fit and a tight piston sleeve fit on initial start up is desirable for those who want the best performing engine Make sure you are using a good quality battery pack that is fully charged new batteries usually require several charge cycles to reach peak voltage and full capacity This is especially important with a new engine that needs to be broken in Starting the Engine Installing the Air Filter Remove the protective cap from the carburetor air intake Install the rubber air filter base and pre lubed foam element onto the carburetor intake The foam air filter element may be cleaned and reused Always be sure the filter element is oiled properly before running the engine For the best filtration use the type of oil made for foam air filters Traxxas air filter oil is recommended part 5263 Lightweight motor oil or after run oil may also be substituted When the element gets dirty clean it with dish soap and rinse Next saturate it with oil and then squeeze out the excess oil For extremely dusty conditions special two or three stage pre lubed filters are available from Traxxas part 4062 and 4063 Filling the Fuel Tank Use a small fuel bottle or bulb such as the included fuel bottle Part 5001 to put fuel into the tank Only fill the tank to the bottom of the fill neck The Nitro Sport can be carefully refueled NOTE Your carburetor has
37. move through the line within 5 seconds prime the engine by briefly one or two seconds covering the exhaust outlet with your finger until the fuel is just visible in the carburetor fuel line Watch carefully If the engine is primed too long it will flood with fuel and stop turning 5 Once fuel reaches the carburetor the engine should quickly start and idle Disconnect the EZ Start controller from the model 7 Proceed with the engine break in 8 Do not rev your engine with no load wheels off the ground Breaking in the Engine Very Important Once your engine is running it must be broken in The key to breaking in your engine is patience The break in time will take about 1 to 1 hours During the break in period your engine may appear to malfunction with symptoms such as stalling inconsistent performance and fouled glow plugs Don t give up on it These are just break in pains that every new engine has to go through They will disappear once you get through the break in period Just keep it running and throttle on and off as smoothly as you can Sudden bursts or releases of the throttle can stall your engine Resist the temptation to tune the engine for performance and or run for extended times at wide open throttle Soon after about the fourth tank of fuel your patience will pay off with solid consistent performance During Break in e Special break in fuels are not required Drive the model
38. nstead of adding spacers to increase stiffness use stiffer springs Adjust the ride height so that the suspension arms are slightly above being parallel to the ground Observe how the Nitro Sport handles in turns If it is picking up the inside rear wheel in hard turns then stiffen the front suspension If it is picking up the inside front wheel in hard turns then stiffen the rear suspension Proper set up will add stability and help prevent roll overs Gear Ratios A unique Nitro Sport feature is the ability to change the gear ratios The final drive ratio of the gearbox is 2 81 to 1 Use the following formula to calculate the overall ratio Number of Spur Gear Teeth x 2 81 Final Drive Ratio Number of Clutch Bell Gear Teeth Nitro Sport comes vvith a 70 tooth spur gear and a 20 tooth pinion clutch bell gear This combination vvill provide the best overall acceleration and top speed If you want more acceleration and less top speed then use a smaller clutch bell gear fewer teeth For more top speed use a larger clutch bell gear Pinion Spur Gear Final Drive 22 66 8 43 1 TOP SPEED 22 70 8 94 1 22 72 9 19 1 20 70 9 83 1 20 72 10 11 1 18 70 10 92 1 18 72 11 24 1 16 70 12 27 1 16 72 12 64 1 ACCELERATION Adjusting the Slipper Clutch The Nitro Sport features an adjustable slipper clutch on the spur gear to protect the drivetrain from sudden shock loads such as landing off of jumps with the engine at full throttle
39. o Installing Transmitter Batteries Your TQ 2 4GHz transmitter uses 4 AA batteries The battery compartment is located in the base of the transmitter 1 Remove the battery compartment door by pressing the tab and lifting the door up 2 Install the batteries in the correct orientation as indicated in the battery compartment 3 Reinstall the battery compartment door and snap it closed 4 Turn on the transmitter and check the status LED for a solid green light If the status LED flashes red the transmitter batteries may be weak discharged or possibly installed incorrectly Replace with new or freshly charged batteries The power indicator light does not indicate the charge level of the battery pack installed in the model Refer to the LED Codes section on page 5 for more information on the transmitter s status LED codes Installing Receiver Batteries The receiver battery holder is located underneath the battery cover Remove the battery cover by removing the two body clips from the posts on both sides of the battery holder Install 4 AA alkaline batteries into the battery holder Place the battery holder into the battery cover with the cushioning foam Secure the battery cover to the chassis using the two body clips as shown Antenna Setup The receiver antenna and antenna tube must be properly installed before operating your model The antenna tube has been precisely cut to match the length of the antenna wire Fo
40. on a smooth hard surface e If possible avoid running on very hot humid days e Run with the body off for extra engine cooling e Turn the mixture screw needle clockwise in to lean the mixture and counterclockwise out to richen the mixture e Do not allow the fuel tank to run completely empty possibly leading to a burned plug An extremely low fuel level causes the fuel mixture to be too lean Keep extra glow plugs handy The break in process because of the engine running rich can cause deposits to form on the glow plug leading to failure The First Tank of Fuel Drive the Nitro Sport on a flat paved surface in an oval configuration This will cause you to naturally vary your speed over the entire rpm range During this break in time ease in and out on the throttle slowly to avoid stalling the engine The goal is to simply keep it running The fuel mixture setting may require slight adjustment to correct for different altitudes and temperature To tell if the engine is running rich high volume of fuel flowing through the engine look for the following conditions 1 The engine should accelerate sluggishly 2 There should be a thick trail of blue smoke coming from the exhaust 3 If you do not observe the conditions above then turn the high speed needle out 15 counterclockwise and retest 4 Donot rev the engine with the wheels off the ground High no load rpms can damage the engine usually resulting in a broken
41. our new Nitro Sport Fuel It s imperative that you use the correct fuel in your Pro 15 engine for maximum performance and engine life Traxxas Top Fuel Power Plus should be used to ensure correct engine lubrication performance and ease of tuning e Top Fuel is the only fuel which is 100 certified for use in Traxxas engines e Traxxas Top Fuel is made with just the right balance of natural and synthetic lubricants to allow excellent throttle response and the best top end performance without sacrificing long term durability You may use 10 or 20 nitro content fuel Try to use the same percentage all the time Avoid switching back and forth between fuels We recommend that if you break in your engine on 20 fuel that you stick with that percentage If you do move to a higher or lower percentage make sure you readjust your fuel mixture to compensate Can other brands of fuel be used besides Top Fuel There are other fuels that can provide satisfactory performance however there could be long term costs in the form of decreased engine performance loss of tuning ease and shorter engine life Only use fuels that contain both castor and synthetic oil Everyone has an opinion or a claim to make about fuel The engineering team at Traxxas has spent years developing Traxxas engines No one knows more about the specific fuel requirements of Traxxas engines than Traxxas engineers We strongly urge you not to take chances with yo
42. ral more high speed runs and retest 7 When the low speed needle is set correctly the engine s throttle response should be very quick Idle Speed Adjustment Once the high and low speed mixtures have been set reduce the idle speed to the minimum reliable idle speed Remember this adjustment should be made while the engine is running at normal operating temperature Always use the idle speed adjustment screw to control engine idle 1 When the throttle servo is in its neutral position the throttle slide should be stopped against the idle speed adjustment screw 2 Turn the screw clockwise to reduce the idle speed or counterclockwise to increase it The idle speed should be set as low as possible while still maintaining reliable running characteristics Fine Tuning the Carburetor After fine tuning your engine at the end of the break in procedure no major adjustments to the fuel mixture are usually necessary Make note of the temperature humidity and barometric pressure at the time you finished fine tuning your carburetor Current weather conditions can be found online from national websites local TV news websites and television This information will be considered your baseline setting You may need to adjust your carburetor needles to compensate for changes in temperature and barometric pressure air density from day to day Generally you ll need to richen the fuel mixture when the weather is colder than your baseline tempera
43. rheating 19 Exhaust Clear any obstructions 20 Air cleaner plugged Clean and replace air cleaner element page 6 The troubleshooting guide above has been provided to help you in diagnosing and repairing common engine problems Most difficulties vvith engines can be traced back to problems vvith adiustment fuel quality dirt blockage or common parts that vvear vvith everyday use Flooded Engine The engine can become flooded if it is primed too many times during the course of a routine start up When the engine is flooded the EZ Start cannot turn the engine and it will appear to be locked Use the following procedure to clear a flooded engine 1 Remove the blue glow plug wire 2 Remove the glow plug with the glow plug wrench supplied with your model A 8mm 5 16 nut driver will also work 3 Plug in the EZ Start and turn the truck upside down 4 Push the EZ Start button for several seconds to clear the excess fuel from the combustion chamber Turn the truck over and re install the glow plug with gasket Reconnect the blue glow plug wire Remove one of the motor wires from the EZ Start motor 0 21 Carburetor incorrectly adjusted Readjust carburetor to factory break in settings page 6 22 High speed fuel mixture is too rich Lean the high speed mixture page 8 23 High speed fuel mixture is
44. s B digital device as described in part 15 of the FCC rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation The limits for a Class B digital device are designed to provide reasonable protection against harmful interference in residential settings This product generates uses and can radiate radio frequency energy and if not operated in accordance with the instructions may cause harmful interference to radio communications The user is cautioned that changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment Canada Industry Canada IC This Class B digital apparatus complies with Canadian ICES 003 and RSS 210 This device complies with Industry Canada license exempt RSS standard s Operation is subject to the following two conditions This device may not cause interference and This device must accept any interference including interference that may cause undesired operation of the device Radio Frequency RF Exposure Statement This equipment complies with radio frequency exposure limits set forth by FCC and Industry Canada for an uncontrolled environment This equipment should be installed and operated with a minimum distance of 20 centimeters between the radiator and your body or bystanders
45. ss unburned fuel remains in the engine The methanol in model engine fuel is hydroscopic which means it easily attracts and absorbs moisture This moisture can cause rust and corrosion on the steel engine parts crankshaft bearings wrist pin and starter shaft if the fuel is not removed from the engine There are after run oil products available from your hobby dealer or you can use WD 40 a common household lubricant To ensure your engine is protected from internal corrosion use the following procedure 1 Shut off the engine by pinching the fuel line closed This allows most of the excess fuel to be consumed by the engine Be sure the throttle is in the idle position You may have to pinch the fuel line closed for several seconds before the engine stops 10 2 Completely empty the fuel tank Use your fuel dispensing bottle to suck out the old fuel Do not mix the old fuel with your fresh fuel supply If you leave fuel in the tank transporting or handling your model may cause fuel to run into the engine 3 With the fuel tank empty and the throttle at the idle position try to start the engine The engine will most likely start and run for a few seconds as it uses up any fuel remaining in the engine and fuel lines 4 Once the engine stops clean the outside of the engine with compressed air or spray motor cleaner Once the engine is clean and dry remove the glow plug power wire glow plug and air filter 5 Open the throttle f
46. sunlight e NiMH batteries must be recycled or disposed of properly Recycling Your Traxxas Power Cell NiMH Battery Traxxas strongly encourages you to recycle your Power Cell NiMH battery when it has reached the end of its useful life Do not throw your battery in the trash All Power Cell NiMH battery packs display the RBRC Rechargeable Battery Recycling Corporation icon indicating they are recyclable To find a recycling center near you ask your local hobby dealer or visit www call2recycle org Fuel Bottle Fuel is usually purchased by the gallon or quart so a smaller bottle with a dispensing tube is required to fill the fuel tank The fuel al tank in the Nitro Sport has a capacity of 75cc er The fuel bottle should always be capped to prevent the fuel from evaporating and becoming contaminated with debris or moisture The alcohol and nitro contents of the fuel will evaporate thus upsetting the fuel balance and spoiling the fuel Do not use old or dirty fuel Included Fuel Dispensing Bottle Other Required Equipment s To operate the Nitro Sport you will need these additional items All of these items should be available from your hobby shop 1 8 AA batteries 4 for the transmitter and 4 for the receiver 2 Small Phillips head and flat head screwdrivers for adjustments 3 After run oil to protect the engine from corrosion The TQ 2 4GHz Radio System Your Nitro Sport Model 45104 is equipped with the Traxxas TQ 2 4GHz
47. the above conditions occurs the fuel mixture is already past the maximum safe lean setting Richen the fuel mixture to the optimum setting by richening the high speed needle at least 1 8 turn counterclockwise and retest This setting will extend engine component life Low Speed Fuel Mixture Adjustment The low speed mixture is always set after the high speed needle is correctly adjusted The low speed mixture will be set using the pinch test 1 Once the engine is warm do several high speed runs to confirm that the high speed needle is set correctly 2 Bring the vehicle in and pinch closed the fuel line going into the carburetor The engine should run for 2 3 seconds speed up and then die 3 t is very important to make several high speed runs with the Nitro Sport between adjustments to clear out any excess fuel Perform the pinch test immediately after If the engine is allowed to idle for a long period of time it could load up with fuel and give you an inaccurate measurement from your pinch test 4 If the engine runs longer than 3 seconds then lean the low speed needle 1 16 turn make several more high speed runs and retest 5 If the engine dies immediately without speeding up then richen the low speed needle 1 8 turn make several more high speed runs and retest 6 If the engine dies when you try to accelerate abruptly then the low speed needle is probably set too lean Richen the low speed needle 1 8 turn make seve
48. this screw clockwise until it stops against the needle seat Be very careful It s difficult to know when the needle has seated due to the thread holding material on the needle s thread Overtightening of the screw may result in damage to the needle seat Now turn the low speed mixture screw counterclockwise 134 turns Shutting Off the Engine Before starting the engine it is important to know how to shut it off The correct method is to pinch and hold the carburetor s fuel line at idle speed until the engine dies Starting the Engine Before you start your engine for the first time make sure you have read all instructions and precautions in this manual Pay close attention to the break in instructions in the next section and make sure you have read and understood them before you run your engine Your engine must be at room temperature 70 F or above the first time you start it If it s cooler than room temperature outside remove all fuel and keep your model indoors until you re ready to start it and then take it outside We do not recommend running the model in temperatures below 35 F 1 Turn on the radio system 2 Make sure the throttle trigger on the transmitter is in the idle neutral position 3 Connect the EZ Start controller 4 Press the starter button in short two second bursts and watch for fuel moving through the fuel line up to the carburetor Watch closely The fuel moves very fast If the fuel doesn t
49. ting straight ahead If the wheels are turned slightly to the left or right slowly adjust the steering trim control on the Transmitter LED Codes transmitter until they are pointing straight ahead 6 Operate the throttle trigger on the transmitter and check for rapid operation of the throttle servo When the throttle trigger is pulled back the carburetor should open When the throttle trigger is pushed all the way forward the brake should lock Slow red 0 5 sec on Binding See this page for more information 5 When the LEDs on both the transmitter and the receiver turn solid green the system is bound and ready for use Confirm that the steering and throttle operate properly before driving your model LED Color Pattern Name Notes Solid green Normal Driving See page 4 for information on how to Mode use the transmitter controls 7 Once adjustments are made turn off the receiver on your on binding model follovved by the hand held transmitter Flashing medium red Lovv Battery Put new batteries in the transmitter The TQ 2 4GHz transmitter has a directional antenna For 0 25 sec on 0 25 Alarm See page 4 for more information maximum range hold the antenna upright and pointed in Link Failure Error Flashing fast red 0 125 sec on 0 125 sec off Transmitter and receiver are no longer bound Turn the system off and then back on to resume normal operation Find source of the l
50. ture and the air density is higher Lean the fuel mixture when the temperature is warmer than your baseline temperature and the air density is lower The chart below provides general guidelines on how weather conditions affect air density when they move higher or lower than your baseline setting the overall mixture should be Slightly richer Slightly leaner Leaner Richer Richer Leaner Richer Leaner Richer Leaner then the air density is Slightly more dense Slightly less dense Less dense More dense More dense Less dense More dense Less dense Lower Higher Lower Higher Lower Higher Lower Higher Lower Higher Humidity Pressure barometer Temperature Altitude Nitro Tuning the Engine by Temperature The following procedures require an optional infrared temperature probe an on board temperature gauge or the Traxxas telemetry temperature sensor part 6521 The engine can be used as an effective tuning aid when you understand the relationship between engine temperature and ambient temperature The engine operating temperature when tuned for maximum performance will vary according to atmospheric conditions The atmospheric condition that has the most influence on engine temperature is air temperature Expect the engine temperature to vary almost in direct proportion to atmospheric temperature Assuming you tuned the engine for the same maximum performance each day the engine will run a
51. ully and spray a one second burst of WD 40 into the carburetor and into the glow plug hole Caution Wear safety glasses to prevent spray from getting into your eyes If you are using after run oil follow the manufacturer s instructions 6 Place a rag or paper towel over the engine to catch any WD 40 or after run oil that may come out of the carburetor or glow plug hole 7 Connect the EZ Start controller to the model and spin the engine for 10 seconds 8 Remove the rag or paper towel and repeat steps 5 7 two more times 9 Clean and re oil the air filter so it will be ready for use next time 10 Replace the glow plug reconnect the glow plug power wire and reinstall the air filter Maintenance Nitro Sport requires timely maintenance in order to stay in top running condition Neglecting the maintenance could allow dirt deposits and moisture to build up inside the engine leading to internal engine failure The following procedures should be taken very seriously After each hour of running Clean and re oil the air filter The instructions for this procedure are on page 6 We cannot stress enough the value of cleaning your air filter at the scheduled intervals The cleanliness and condition of your air filter directly influences the running life span of your engine Do not skip air filter maintenance e Clean the outside of the engine of accumulated dirt oil and grime Accumulated grime will decrease the engine s ability to
52. ur engine investment and use the Traxxas fuel made for Traxxas engines PERSONAL SAFETY PRECAUTIONS Every precaution outlined in this manual needs to be followed to help ensure safe operation Operate your model sensibly and with care and it will be exciting safe and fun for you and your spectators Failure to operate your model in a safe and responsible manner could result in property damage and serious injury You alone must see to it that the instructions are followed and the precautions are adhered to The Nitro Stampede is not intended for use by children without the supervision of a responsible adult Traxxas shall not be liable for any loss or damages whether direct indirect special incidental or consequential arising from the use misuse or abuse of this product and any chemical or accessory required to operate this product Important Points to Remember e Nitro Stampede is very fast Children under 16 years of age and inexperienced drivers should not operate the Nitro Stampede without the supervision of a responsible and knowledgeable experienced adult e Model engine fuel is dangerous and highly poisonous Always follow all directions and precautions printed on the fuel container Model engine fuel is poisonous to humans and animals Drinking the fuel can cause blindness and death Handle with care and respect e Model engine fuel especially when in a fuel dispensing bottle may look like a cool drink to a child Ke
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