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READ THIS MANUAL CAREFULLY! It contains important safety information. OWNER’S MANUAL YFZ350X This A WARNING This ATV should not be ridden by anyone under 16 years of age. 3B5-28199-72...
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Yamaha experience in the production of fine sporting, touring, and pacesetting racing machines. With the purchase of this Yamaha, you can now appreciate the high degree of craftsmanship and reliability that have made Yamaha a leader in these fields.
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EBU17330 IMPORTANT MANUAL INFORMATION EBU17341 FAILURE TO FOLLOW THE WARNINGS CONTAINED IN THIS MANUAL CAN RESULT IN SERIOUS IN- JURY OR DEATH. Particularly important information is distinguished in this manual by the following notations: The Safety Alert Symbol means ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! Failure to follow WARNING instructions could result in severe injury WARNING...
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EBU17350 IMPORTANT NOTICE EBU17360 Welcome to the Yamaha world of motor sports! This ATV is designed and manufactured for OFF-ROAD use only. It is illegal and unsafe to operate this ATV on any public street, road or highway. This ATV complies with all applicable OFF-ROAD noise level and spark arrester laws and regulations in effect at the time of manufacture.
EWB00010 Clutch lever ..........4-5 WARNING Brake lever ..........4-5 Brake pedal ..........4-5 Indicates a potential hazard that could result in Parking brake ..........4-6 serious injury or death. Shift pedal ..........4-7 Kickstarter ..........4-8 Fuel tank cap ..........4-8 Fuel ............
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OPERATION ..........6-1 Periodic maintenance chart for the emission control system ......8-3 Starting a cold engine ....... 6-1 General maintenance and lubrication Starting a warm engine ......6-3 chart ............8-5 Shifting ............6-3 Checking the spark plugs ......8-8 Engine break-in ......... 6-5 Transmission oil ........
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Troubleshooting ........8-52 Troubleshooting charts ......8-54 Throttle OverRide System ....... 8-56 CLEANING AND STORAGE......9-1 Cleaning ............ 9-1 Storage ............9-2 SPECIFICATIONS ........10-1 CONSUMER INFORMATION ...... 11-1 Identification numbers ......11-1 YAMAHA MOTOR CANADA LTD. ATV WARRANTY GUIDE ......11-3...
EBU17430 SAFETY INFORMATION SAFETY INFORMATION EBU17582 does not have the abilities to operate it safely. Never carry a passenger on an ATV. AN ATV IS NOT A TOY AND CAN BE HAZARD- Always avoid operating an ATV on any paved OUS TO OPERATE.
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procedures and schedules described in this throttle suddenly or make sudden gear changes. manual. Never go over the top of a hill at high speed. Always keep both hands on the handlebars and Always follow proper procedures for going down both feet on the footpegs of the ATV during op- hills and for braking on hills as described in this eration.
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the procedure described in this manual. Never exceed the stated load capacity for an Always check for obstacles before operating in a ATV. Cargo should be properly distributed and new area. securely attached. Reduce speed and follow in- Never attempt to operate over large obstacles, structions in this manual for carrying cargo or such as large rocks or fallen trees.
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HOW TO AVOID THE HAZARD Always turn off the engine when refueling. Do not refuel right after the engine has been running and is still very hot. Do not spill gasoline on the engine or ex- haust pipe/muffler when refueling. Never refuel while smoking, or in the vicinity of sparks, open flames, or other sources of ignition such as the pilot lights of water heat-...
EBU17660 LOCATION OF THE WARNING AND SPECIFICATION LABELS...
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Read and understand all of the labels on your ATV. These labels contain important information for safe and proper operation. Never remove any labels from your ATV. If a label becomes difficult to read or comes off, request a replace- ment label from your Yamaha dealer.
EBU17712 Controls and instruments 1. Clutch lever 2. Parking brake lock plate 3. Main switch 4. Brake lever 5. Throttle lever 6. Handlebar switches NOTE: The ATV you have purchased may differ slightly from the figures shown in this manual.
EBU17720 INSTRUMENT AND CONTROL FUNCTIONS EWB00010 WARNING Indicates a potential hazard that could result in serious injury or death. EBU17760 Main switch The positions of the main switch are as follows: All electrical systems are supplied with power. The headlights and taillight come on when the light switch is on, and the engine can be started.
EBU18061 EBU18140 Handlebar switches Light switch “LIGHTS” Set this switch to “LO” to turn on the low beams and the taillight. Set the switch to “HI” to turn on the high beams and the taillight. Set the switch to “OFF” to turn off all the lights. ECB00040 CAUTION: Do not use the headlights with the engine...
Check the operation of the throttle lever be- fore you start the engine. If it does not work smoothly, check for the cause. Correct the problem before riding the ATV. Consult a Yamaha dealer if you can’t find or solve the problem yourself. EBU18290 Throttle OverRide System...
HOW TO AVOID THE HAZARD Make sure that the cause of the malfunction is corrected before restarting the engine. You should have the ATV inspected by a Yamaha dealer. EBU18311 Speed limiter Your ATV was delivered with an adjustable speed limiter.
EBU18411 HOW TO AVOID THE HAZARD Brake lever Do not turn the adjusting screw out more The brake lever is located at the right handlebar than 12 mm (0.47 in). Always make sure the grip. To apply the front brake, pull the brake lever throttle lever free play is adjusted to 4.0–6.0 toward the handlebar grip.
wise, the engine will misfire, preventing normal op- eration. 1. Brake pedal EBU18490 Parking brake 1. Button 2. Parking brake lock plate Use the parking brake before starting the engine or parking the ATV, especially on a slope. Squeeze the clutch lever while pushing the button, then push in the lock plate to apply the parking brake.
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WHAT CAN HAPPEN The ATV could start moving unexpectedly if the parking brake is not applied before start- ing the engine. This could cause loss of con- trol or a collision. The brake could overheat if you ride the ATV without releasing the parking brake.
1. Shift pedal 1. Kickstarter 2. Neutral position EBU18720 Fuel tank cap EBU18650 Kickstarter Remove the fuel tank cap by turning it counter- Fold out the kickstarter lever, move it down lightly clockwise. with your foot until the gears engage, and then push it down smoothly but forcefully.
1. Fuel level 1. Fuel tank cap 2. Filler tube EBU18760 Fuel Recommended fuel: Make sure that there is sufficient fuel in the tank. PREMIUM UNLEADED GASOLINE ONLY Fill the fuel tank to the bottom of the filler tube as Fuel tank capacity: shown.
WHAT CAN HAPPEN Fuel can spill, which can cause a fire and se- Your Yamaha engine has been designed to use vere injury. premium unleaded gasoline with a pump octane Fuel expands when it heats up. If the fuel...
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FUEL FUEL 1. Arrow mark positioned over “OFF” 1. Arrow mark positioned over “ON” With the fuel cock lever in this position, fuel will not With the fuel cock lever in this position, fuel flows flow. Always turn the fuel cock lever to this position to the carburetors.
the starter (choke). Move the starter (choke) in direction (b) to turn off the starter (choke). See the “Starting a cold engine” section on page 6-1 for proper operation. FUEL 1. Arrow mark positioned over “RES” This indicates reserve. With the fuel cock lever in this position, the fuel reserve is made available.
1. Seat lock lever 1. Projection 2. Seat holder To install the seat EBU18980 Insert the projection on the front of the seat into the Adjusting the front shock absorber seat holder and push down on the seat at the rear. assemblies NOTE: The spring preload can be adjusted to suit the rid-...
2. Position indicator EBU19090 NOTE: Adjusting the rear shock absorber A special wrench can be obtained at a Yamaha assembly dealer to make this adjustment. The spring preload, rebound damping and com- pression damping forces of the rear shock absorb- Spring preload setting: er assembly can be adjusted to suit the rider’s...
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Take the shock absorber assembly to a Yamaha NOTE: dealer for any service. A special wrench can be obtained at a Yamaha dealer to make this adjustment. Spring preload The spring preload setting is determined by 1.
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ECB00080 CAUTION: Always tighten the locknut against the adjust- ing nut, and then tighten it to the specified torque. Rebound damping force Turn the adjusting dial in direction (a) to increase the rebound damping force and thereby harden the damping, and in direction (b) to decrease the rebound damping force and thereby soften the damping.
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Rebound damping setting: Minimum (soft): 20 click(s) in direction (b)* Standard: 12 click(s) in direction (b)* Maximum (hard): 3 click(s) in direction (b)* * With the adjusting dial fully turned in direc- tion (a) Compression damping force Turn the adjusting knob in direction (a) to increase 1.
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the minimum and maximum settings. EWB00010 WARNING NOTE: Indicates a potential hazard that could result in Although the total number of clicks of a damping serious injury or death. force adjusting mechanism may not exactly match the above specifications due to small differences in production, the actual number of clicks always rep- resents the entire adjusting range.
Manual. NOTE: The maintenance of some items in the table has to be performed by a Yamaha dealer. Refer to the periodic maintenance charts on page 8-3 to determine which service should be performed by a Yamaha dealer. ITEM...
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Coolant specified level if necessary. 5-4, 8-12 Check cooling system for leakage. Correct if necessary. Check operation. If soft or spongy, have Yamaha dealer bleed hydraulic system. Check brake pads for wear, and replace if necessary. Front brake 5-5, 8-33, 8-34, 8-35 Check brake fluid level in reservoir, and add recommended brake...
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ITEM ROUTINE PAGE Make sure that operation is smooth. Lubricate pedal pivoting points Brake and shift pedals 8-45 if necessary. Make sure that operation is smooth. Lubricate lever pivoting points Brake and clutch levers 8-44 if necessary. Chassis fasteners Make sure that all nuts, bolts and screws are properly tightened. Instruments, lights and Check operation, and correct if necessary.
EBU19550 EBU19620 Fuel and 2-stroke engine oil mixing Coolant ratio Make sure that the coolant is at the specified level. Add coolant as necessary. (See page 8-12.) Recommended 2-stroke engine oil: NOTE: Yamalube “R” (Yamalube Racing 2-cycle oil) The coolant level must be checked on a cold en- Mixing ratio: gine since the level varies with engine tempera- 24:1...
Check that there is no free play in the brake le- make sure they are working properly. If the brakes ver. If there is free play, have a Yamaha dealer do not provide proper braking performance, check check the brake system.
HOW TO AVOID THE HAZARD The tires listed below have been approved EBU19770 by Yamaha Motor Co., Ltd. for this model. Drive chain Other tire combinations are not recom- Check the condition of the drive chain and check mended.
The tires should be set to the recommend- Maximum tire seating pressure: ed pressure: Front: Recommended tire pressure: 250 kPa (36 psi) (2.5 kgf/cm Front: Rear: 30 kPa (4.4 psi) (0.30 kgf/cm 250 kPa (36 psi) (2.5 kgf/cm Rear: Higher pressures and fast inflation may 30 kPa (4.4 psi) (0.30 kgf/cm cause a tire to burst.
Recommended pressure: Front 30 kPa (4.4 psi) (0.30 kgf/cm Rear 30 kPa (4.4 psi) (0.30 kgf/cm Minimum: Front 27 kPa (3.9 psi) (0.27 kgf/cm Rear 27 kPa (3.9 psi) (0.27 kgf/cm 1. Low-pressure tire gauge Maximum: Front Set the tire pressure when the tires are cold. Set 33 kPa (4.8 psi) (0.33 kgf/cm the tire pressures to the following specifications: Rear...
1. Tire wear limit EBU19840 Chassis fasteners Make sure that all nuts, bolts and screws are prop- erly tightened. EBU19850 Instruments, lights and switches Check that all instruments, lights and switches are working properly. Correct if necessary.
See the “Engine break-in” section on page 6-5 a control or function you do not understand, prior to operating the engine for the first time. ask your Yamaha dealer. 1. Set the parking brake. 2. Turn the fuel cock to “ON”.
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ure: Ambient temp./starter (choke) position Position (1): °C 0° 10° 20° 30° Cold engine start with ambient temperature be- 90° °F 30° 50° 70° low 5 °C (40 °F). Position (2): Cold engine start with ambient temperature be- tween 0 °C (30 °F) and 30 °C (90 °F). Position (3): Cold engine start with ambient temperature above 25 °C (80 °F).
ECB00160 EBU20520 Shifting CAUTION: This ATV has a 6-speed forward transmission. The For maximum engine life, always warm the en- transmission allows you to control the amount of gine up before starting off. Never accelerate power you have available at a given speed or for hard when the engine is cold! starting, accelerating, climbing hills, etc.
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EBU20560 EWB00680 To start out and accelerate WARNING 1. Release the throttle lever. POTENTIAL HAZARD ECB00200 Opening the throttle abruptly or releasing the CAUTION: clutch lever too quickly. Always close the throttle before shifting gears, WHAT CAN HAPPEN otherwise damage to the engine and drive train The ATV could wheelie.
EBU20672 WHAT CAN HAPPEN Engine break-in The wheels could stop rotating and lose trac- tion. This could cause loss of control, an ac- NOTE: cident and injury. It could also cause engine For ATVs equipped with an odometer or an hour or drive train damage.
The ATV can now be operated normally. ECB00220 CAUTION: If any engine trouble should occur during the engine break-in period, immediately have a Yamaha dealer check the ATV. 1. Button 2. Parking brake lock plate EBU20721 Parking When parking the ATV, stop the engine, shift into first gear, apply the parking brake, and then turn the fuel cock to “OFF”.
HOW TO AVOID THE HAZARD Avoid parking on hills or other inclines. If you must park on an incline, place the ATV trans- versely across the incline, shift into first gear, stop the engine, apply the parking brake, and then block the front and rear wheels with rocks or other objects.
However, judgment as the stability and handling of an ATV it is not possible for Yamaha to test all non- can be changed. When adding accessories, keep Yamaha accessories, nor control over their qual- the following points in mind: ity or suitability.
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of the ATV as possible. Put cargo at the rear of WHAT CAN HAPPEN the front carrier, at the front of the rear carrier, Could cause changes in ATV handling which and center it. could lead to an accident. Tie down cargo securely to the carriers. Make HOW TO AVOID THE HAZARD sure cargo in the trailer cannot move around.
EWB00010 RIDE WITH CARE AND GOOD JUDGEMENT WARNING Get training if you are inexperienced. Indicates a potential hazard that could result in Beginners should get training from a certified in- serious injury or death. structor. Become familiar with this ATV at slow speeds first, EBU21601 even if you are an experienced operator.
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Riding your ATV requires skills acquired through practice over a period of time. Take the time to learn the basic techniques well before attempting more difficult maneuvers. Not recommended for children under 16 years of age. EWB00901 WARNING POTENTIAL HAZARD Failure to follow the age recommendations for this ATV.
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HOW TO AVOID THE HAZARD WHAT CAN HAPPEN Never carry a passenger. The long seat is to Operating without an approved motorcycle allow the operator to shift position as needed helmet increases your chances of a severe during operation. It is not for carrying pas- head injury or death in the event of an acci- sengers.
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EWB00930 1. Protective clothing WARNING 2. Goggles 3. Gloves POTENTIAL HAZARD 4. Boots Operating this ATV after consuming alcohol 5. Helmet or drugs. WHAT CAN HAPPEN Do not operate after consuming alcohol or Could seriously affect your judgment. drugs. Could cause you to react more slowly. The operator’s performance capability is reduced Could affect your balance and perception.
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Pre-operation checks WHAT CAN HAPPEN Always perform the pre-operation checks listed on Use of improper tires on this ATV, or opera- page 5-1 before riding for proper care of the ATV tion of this ATV with improper or uneven tire and to ensure safety.
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HOW TO AVOID THE HAZARD Always go at a speed that is proper for the terrain, visibility and operating conditions, and your experience. Speed limiter For riders less experienced with this model, the throttle lever housing is equipped with a speed lim- iter.
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During operation Always keep your feet on the footboards during op- MAXIMUM LOADING LIMIT eration, otherwise they may contact the rear ATV loading limit (total weight of cargo, rider, wheels. accessories, and tongue): 100.0 kg (220 lb) EWB00970 WARNING POTENTIAL HAZARD Overloading this ATV or carrying or towing cargo improperly.
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WHAT CAN HAPPEN Removing even one hand or foot can reduce your ability to control the ATV or could cause you to lose your balance and fall off of the ATV. If you remove a foot from a footboard, your foot or leg may come into contact with the rear wheels, which could injure you or cause an accident.
ATV should be Keep the engine area free of dry grass, genuine Yamaha or equivalent components brush, or other combustible material. designed for use on this ATV and should be Do not touch the hot exhaust system.
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EWB01020 WARNING POTENTIAL HAZARD Operating this ATV on paved surfaces. WHAT CAN HAPPEN ATVs are designed for off-road use only. Paved surfaces may seriously affect han- dling and control of the ATV, and may cause the ATV to go out of control. HOW TO AVOID THE HAZARD Always avoid paved surfaces, including side- walks, driveways, parking lots and streets.
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EWB01040 HOW TO AVOID THE HAZARD WARNING Never operate this ATV on any public street, POTENTIAL HAZARD road or highway, even a dirt or gravel one. In Failure to use extra care when operating this many states it is illegal to operate ATVs on ATV on unfamiliar terrain.
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HOW TO AVOID THE HAZARD Do not operate on excessively rough, slip- pery or loose terrain until you have learned and practiced the skills necessary to control the ATV on such terrain. Always be especial- ly cautious on these kinds of terrain. EWB01050 WARNING POTENTIAL HAZARD...
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mission. EWB01060 Select a large, flat area off-road to become familiar WARNING with your ATV. Make sure that this area is free of POTENTIAL HAZARD obstacles and other riders. You should practice Operating in areas where you might not be control of the throttle, brakes, shifting procedures, seen by other off-road vehicles.
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do not allow skin or clothing to come in contact with WHAT CAN HAPPEN these components. The ATV could wheelie. This would increase With the engine idling, pull the clutch lever to dis- the chance of an accident, including over- engage the clutch and shift into 1st gear, and then turn.
WHAT CAN HAPPEN HOW TO AVOID THE HAZARD The wheels could stop rotating. This could Always follow proper procedures for turning cause loss of control, an accident and injury. as described in this Owner’s Manual. Prac- It could also cause engine or drive train dam- tice turning at low speeds before attempting age.
changes, excessive braking, incorrect body move- ments, or too much speed for the sharpness of the turn may cause the ATV to tip. If the ATV begins to tip over to the outside while negotiating a turn, lean more to the inside. It may also be necessary to gradually let off on the throttle and steer to the out- side of the turn to avoid tipping over.
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HOW TO AVOID THE HAZARD HOW TO AVOID THE HAZARD Never operate the ATV on hills too steep for Always follow proper procedures for climb- the ATV or for your abilities. Practice on ing hills as described in this Owner’s Manual. smaller hills before attempting large hills.
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If you are climbing a hill and you find that you have When crossing the side of a hill: not properly judged your ability to make it to the Always follow proper procedures as de- top, you should turn the ATV around while you still scribed in the Owner’s Manual.
If you start to roll backwards, DO NOT apply the If you begin rolling backwards: rear brake to stop or try to put the ATV in gear. The Keep weight uphill. ATV could easily tip over backwards. Instead, ap- Never apply the rear brake while rolling ply the front brake gradually, or dismount the ATV backwards.
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as far to the rear and uphill side of the ATV as pos- HOW TO AVOID THE HAZARD sible. Move back on the seat and sit with your arms Always follow proper procedures for going straight. Choose a low gear which will allow the en- down hills as described in this Owner’s Man- gine compression to do most of the braking for ual.
CROSSING A SLOPE HOW TO AVOID THE HAZARD Traversing a sloping surface on your ATV requires Never attempt to turn the ATV around on any you to properly position your weight to maintain hill until you have mastered the turning tech- proper balance.
CROSSING THROUGH SHALLOW WATER The ATV can be used to cross slow moving, shal- low water of up to a maximum of 35 cm (14 in) in depth. Before entering the water, choose your path carefully. Enter where there is no sharp drop off, and avoid rocks or other obstacles which may be slippery or upset the ATV.
ECB00240 1. Air filter case check hose CAUTION: After riding your ATV in water, be sure to drain RIDING OVER ROUGH TERRAIN the trapped water by removing the check hose Riding over rough terrain should be done with cau- at the bottom of the air filter case. Wash the tion.
WHAT CAN HAPPEN Could cause loss of control or a collision. Could cause the ATV to overturn. HOW TO AVOID THE HAZARD Before operating in a new area, check for ob- stacles. Never attempt to ride over large obstacles, such as large rocks or fallen trees. When you go over obstacles, always follow proper pro- cedures as described in the Owner’s Manual.
HOW TO AVOID THE HAZARD Learn to safely control skidding or sliding by practicing at low speeds and on level, smooth terrain. On extremely slippery surfaces, such as ice, go slowly and be very cautious in order to re- duce the chance of skidding or sliding out of control.
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Steer in the direction of the slide if you have the you come out of the water. Do not continue to room. Applying the brakes or accelerating is not ride your ATV until you have regained adequate recommended until you have corrected the braking ability.
Safety is an obligation of the owner. Periodic in- nance unless otherwise specified. Have a spection, adjustment and lubrication will keep your Yamaha dealer perform the service if you are ATV in the safest and best operating condition not familiar with maintenance work.
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If you have questions, consult an authorized additional tools such as a torque wrench may be Yamaha ATV dealer. necessary to perform certain maintenance work correctly. NOTE: If you do not have the tools or experience required for a particular job, have a Yamaha dealer perform...
However, keep in mind that if the ATV isn’t used for a long period of time, the month maintenance intervals should be followed. Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and technical skills.
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INITIAL EVERY month Whichev- CHECK OR MAINTENANCE er comes ITEM 1300 2500 2500 5000 first (mi) (200) (800) (1600) (1600) (3200) hours √ √ √ Spark arrester Clean.
EBU21864 General maintenance and lubrication chart INITIAL EVERY month Whichev- CHECK OR MAINTENANCE ITEM er comes 1300 2500 2500 5000 first (mi) (200) (800) (1600) (1600) (3200) hours Every 20–40 hours (more often in wet or Air filter element Clean and replace if necessary. dusty areas) √...
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INITIAL EVERY month Whichev- CHECK OR MAINTENANCE er comes ITEM 1300 2500 2500 5000 first (mi) (200) (800) (1600) (1600) (3200) hours Check for looseness or damage, and replace if √ √ √ √ Wheel hub bearings necessary. Upper and lower √...
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INITIAL EVERY month Whichev- CHECK OR MAINTENANCE er comes ITEM 1300 2500 2500 5000 first (mi) (200) (800) (1600) (1600) (3200) hours Check operation and correct if necessary. Throttle lever hous- Check throttle cable free play and adjust if neces- √...
EWB00010 WARNING Indicates a potential hazard that could result in serious injury or death. EBU28320 Checking the spark plugs The spark plugs are important engine compo- nents, which are easy to check. Since heat and de- posits will cause any spark plug to slowly erode, the spark plugs should be removed and checked in accordance with the periodic maintenance and lu- 1.
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NOTE: If any spark plug shows a distinctly different color, the engine could be operating improperly. Do not attempt to diagnose such problems yourself. In- stead, have a Yamaha dealer check the ATV. 1. Spark plug gap...
2. Clean the surface of the spark plug gasket To check the transmission oil level and its mating surface, and then wipe off any 1. Place the ATV on a level surface. grime from the spark plug threads. 2. Start the engine, warm it up for several min- 3.
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mum and maximum level marks. 4. If the oil is at or below the minimum level mark, add sufficient oil of the recommended type to raise it to the correct level. 5. Insert the dipstick into the oil filler hole, and then tighten the oil filler cap.
EBU23470 Coolant Recommended transmission oil: The coolant level should be checked before each See page 10-1. ride. In addition, the coolant must be changed at Oil quantity: the intervals specified in the periodic maintenance 1.5 L (1.59 US qt) (1.32 Imp.qt) and lubrication chart.
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1. Maximum level mark 1. Coolant reservoir cover 2. Minimum level mark 2. Coolant reservoir cap 3. If the coolant is at or below the minimum level 5. Remove the reservoir cap, add coolant or dis- mark, remove the seat. (See page 4-12.) tilled water to the maximum level mark, and 4.
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Always place a thick rag If water has been added to the coolant, have over the cap. Allow any remaining pressure a Yamaha dealer check the antifreeze con- to escape before completely removing the tent of the coolant as soon as possible, oth- cap.
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3. Place a container under the engine and re- move the coolant drain bolts. 1. Radiator cap 5. Remove the coolant reservoir cap. 1. Coolant drain bolt 4. Remove the radiator cap. 8-15...
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1. Coolant reservoir hose 1. Coolant reservoir cap 2. Coolant reservoir 6. Disconnect the hose on the coolant reservoir 7. After draining the coolant, thoroughly flush the side and drain the coolant from the coolant cooling system with clean tap water. reservoir.
Coolant reservoir capacity (up to the maxi- mum level mark): NOTE: 0.28 L (0.30 US qt) (0.25 Imp.qt) If any leakage is found, have a Yamaha dealer check the cooling system. ECB00401 CAUTION: 15. Install the radiator cover by installing the bolts.
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areas. NOTE: There is a check hose at the bottom of the air filter case. If dust or water collects in this hose, empty the hose and clean the air filter element and air fil- ter case. 1. Air filter case cover 2.
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1. Air filter element lock plate 1. Sponge material 2. Air filter element frame 3. Air filter element lock plate 4. Remove the lock plate by turning it, and then remove the sponge material from the air filter 5. Wash the sponge material gently but thor- element frame.
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7. Check the sponge material and replace it if by hooking the holders onto the air filter case. damaged. 11. Install the seat. 8. Apply Yamaha foam air filter oil or other qual- ity foam air filter oil to the sponge material. 8-20...
EBU23901 NOTE: Cleaning the spark arrester The air filter element should be cleaned every 20– Be sure the exhaust pipe and muffler are cool be- 40 hours. It should be cleaned and lubricated more fore cleaning the spark arrester. often if the ATV is operated in extremely dusty ar- 1.
WHAT CAN HAPPEN Could injure the eyes. Could cause burns. Could cause carbon monoxide poisoning, possibly leading to death. Could start a fire. HOW TO AVOID THE HAZARD When cleaning the spark arrester: Always let the exhaust system cool prior to touching exhaust components.
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The carburetors could leak fuel, which would be a fire hazard. HOW TO AVOID THE HAZARD Carburetor adjustments should only be per- formed by a Yamaha dealer. Do not attempt to perform these procedures unless you have mechanical knowledge and the neces- sary tools.
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Carburetor setting chart Altitude Temperature 0–1500 m (5000 ft) Above 1500 m (5000 ft) Main jet Jet needle Pilot air screw Main jet Jet needle Pilot air screw Above 0 °C (32 °F) #200 3rd groove 2.0 turns out #190 3rd groove 2 1/2 turns out from +5 °C (41 °F) to –...
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Changing the settings of the carburetors 5. Disconnect the fuel hoses. To change the settings of the carburetors, you 6. Remove the fuel tank by removing the bolts. need to disassemble and remove them. Follow the procedures for both carburetors. Disassembling and removing the carburetors 1.
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1. Air filter case cover 1. Mixing chamber cap securing plate 2. Air filter case cover holder 2. Screw 8. Remove the mixing chamber cap securing 9. Loosen the carburetor joint screws. plate by removing the screw. 8-26...
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1. Joint screw 1. Throttle cable 2. Throttle valve 3. Throttle cable holder 10. Remove the mixing chamber cap. 4. Screw 11. Remove the throttle cable from the throttle valve, and then remove the throttle cable hold- er by removing the screws. 8-27...
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3. Main jet 14. Change the main jet and the jet needle clip po- sition. NOTE: Optional main jets can be obtained at a Yamaha dealer. After the jet needle clip position is changed, the throttle cables may need to be adjusted.
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Assembling and installing the carburetors Assemble and install both carburetors by the fol- lowing steps. 1. Install the needle valve and float. 2. Install the float chamber by installing the screws. 3. Install the carburetor and tighten the joint screws. 4.
2. Push the throttle lever forward until it stops and hold it in this position. 3. Check through each carburetor window to see if the punch mark on the throttle valve is at the specified position. 1. Adjusting nut 2. Locknut 5.
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tion chart. NOTE: A diagnostic tachometer is needed to make this adjustment. The carburetor synchronization and the throttle cable free play must be checked, and adjusted if necessary, before adjusting the engine idling speed. 1. Start the engine and warm it up. NOTE: 1.
NOTE: If the specified idling speed cannot be obtained as described above, have a Yamaha dealer make the adjustment. 7. Install the seat. (b) (a) EBU24043 Adjusting the throttle cable free play The throttle cable free play should be checked and, if necessary, adjusted at the intervals speci- 1.
If a brake pad has worn to the point that the wear indicator almost touches the brake disc, have a Yamaha dealer re- place the brake pads as a set. 1. Throttle lever free play adjusting bolt 2.
Yamaha dealer check the cause. EBU24290 1. Minimum level mark Changing the brake fluid Have a Yamaha dealer change the brake fluid at Observe these precautions: the intervals specified in the NOTE after the peri- When checking the fluid level, make sure that odic maintenance and lubrication chart.
After servicing: free play of zero mm (zero in) as shown. If the free Make sure the brakes operate smoothly play is incorrect, have a Yamaha dealer check the and that the free play is correct. brake system. Make sure the brakes do not drag.
Make sure the brakes are not spongy. All air must be bled from the brake system. Replacement of brake components requires professional knowledge. These procedures should be performed by a Yamaha dealer. 1. Brake pedal position EBU24660 Adjusting the parking brake free play...
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If the cable length cannot be adjusted to specifica- 3. Loosen the locknut and the adjusting bolt at tion, consult a Yamaha dealer. the rear brake caliper. 5. Tighten the locknut at the clutch lever. 4. Turn the adjusting bolt at the clutch lever in di- 6.
The brake light switch for the brake pedal can be together with the locknut. adjusted as follows, but the other brake light switches should be adjusted by a Yamaha dealer. 8-39...
necessary, adjusted at the intervals specified in NOTE: the periodic maintenance and lubrication chart. The brake light switch is properly adjusted when The clutch lever free play should measure as the brake light comes on just before braking takes shown. If the free play is incorrect, adjust it as fol- effect.
NOTE: If the specified free play cannot be obtained as de- scribed above or if the clutch does not operate cor- rectly, have a Yamaha dealer check the internal clutch mechanism. EBU24851 Drive chain slack The drive chain slack should be checked before each ride and adjusted if necessary.
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1. Axle holding nut (upper) 1. Locknut 2. Axle holding nut (lower) 2. Drive chain slack adjusting bolt 3. Alignment marks 2. Loosen the locknut on each side of the swing- ECB00541 arm. To tighten the drive chain, turn the ad- CAUTION: justing bolts in direction (a).
Tightening torques: Locknut: 16 Nm (1.6 m·kgf, 11 ft·lbf) Axle holding nut (upper): 120 Nm (12.0 m·kgf, 85 ft·lbf) Axle holding nut (lower): 60 Nm (6.0 m·kgf, 43 ft·lbf) 1. O-ring EBU24880 Lubricating the drive chain ECB00560 The drive chain must be cleaned and lubricated at CAUTION: the intervals specified in the periodic maintenance The drive chain must be lubricated after wash-...
Checking and lubricating the brake and essary. If a cable is damaged or does not move clutch levers smoothly, have a Yamaha dealer check or replace The operation of the brake and clutch levers should be checked before each ride, and the lever Recommended lubricant: pivots should be lubricated if necessary.
Left side 1. Grease nipple 1. Grease nipple EBU25031 Lubricating the upper and lower arm pivots The upper and lower arm pivots must be lubricated at the intervals specified in the periodic mainte- nance and lubrication chart. Lubricate the pivoting points using a grease gun. Recommended lubricant: Lithium-soap-based grease (all-purpose grease)
Right side 1. Remove the headlight unit by removing the screw. 1. Grease nipple 1. Screw EBU25101 Lubricating the steering shaft 2. Remove the headlight bulb holder cover. The steering shaft must be lubricated at the inter- vals specified in the periodic maintenance and lu- brication chart.
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1. Headlight bulb holder cover 1. Headlight bulb holder 3. Remove the bulb holder by turning it counter- 4. Remove the defective bulb. clockwise. EWB02180 WARNING POTENTIAL HAZARD A headlight bulb is hot when it is on and im- mediately after it is turned off. WHAT CAN HAPPEN You can be burned, or a fire could start if the bulb touches something flammable.
5. Place a new bulb into position, and then install the bulb holder by turning it clockwise. 1. Headlight bulb holder cover 2. Headlight bulb holder 3. Headlight unit 1. Do not touch the glass part of the bulb. ECB00680 ECB00650 CAUTION: CAUTION:...
1. Remove the bulb holder (together with the ECB00690 bulb) by turning it counterclockwise. CAUTION: It is advisable to have a Yamaha dealer make this adjustment. To raise a headlight beam, turn the adjusting screw in direction (a). To lower a headlight beam, turn the adjusting screw in direction (b).
Front 1. Tail/brake light bulb holder 1. Wheel nut 2. Tail/brake light bulb 3. Insert a new bulb into the bulb holder, push it in, and then turn it clockwise until it stops. 4. Install the bulb holder (together with the bulb) by turning it clockwise.
3. Remove the nuts from the wheel. systems yourself. However, should your ATV re- 4. Remove the wheel. quire any repair, take it to a Yamaha dealer, whose skilled technicians have the necessary tools, expe- EBU25660 Installing a wheel rience, and know-how to service the ATV properly.
EWB02260 WARNING POTENTIAL HAZARD Checking the fuel system while smoking or near an open flame. WHAT CAN HAPPEN Fuel can ignite or explode, causing severe in- jury or property damage. HOW TO AVOID THE HAZARD Do not smoke when checking the fuel sys- tem.
Wipe off with a dry cloth and correct the the kickstarter. spark plug gaps, or replace the spark plugs. Remove the spark plugs and check the electrodes. The engine does not start. Have a Yamaha dealer check the ATV. Have a Yamaha dealer check the ATV. 8-54...
Start the engine. If the engine overheats again, have a The coolant level Yamaha dealer check and repair the cooling system. is OK. NOTE: If coolant is not available, tap water can be temporarily used instead, provided that it is changed to the rec- ommended coolant as soon as possible.
EBU25850 HOW TO AVOID THE HAZARD Throttle OverRide System Have the system checked by a Yamaha deal- The Throttle OverRide System (T.O.R.S.) is incor- porated in the ignition circuit, and if the system Before bypassing the T.O.R.S., be sure the should fail, the spark plug will not spark.
EBU25860 CLEANING AND STORAGE EBU25910 ed from improper high-pressure detergent Cleaning applications such as those available in coin- Frequent, thorough cleaning of your ATV will not operated car washers. only enhance its appearance but will improve its 4. Once most of the dirt has been hosed off, general performance and extend the useful life of wash all surfaces with warm water and mild, many components.
EWB02300 nia) and areas where strong chemicals are WARNING stored. POTENTIAL HAZARD Operation with wet brakes after washing. Long-term WHAT CAN HAPPEN Before storing your ATV for several months: Wet brakes may have reduced stopping abil- 1. Follow all the instructions in the “Cleaning” ity, increasing the chance of an accident.
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plugs, and then place the spark plugs on the cylinder head so that the electrodes are grounded. (This will limit sparking dur- ing the next step.) d. Turn the engine over several times with the starter. (This will coat the cylinder walls with oil.) e.
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Fuel tank capacity: 1st: 12.0 L (3.17 US gal) (2.64 Imp.gal) 32/13 (2.461) Fuel reserve amount: 2nd: 2.5 L (0.66 US gal) (0.55 Imp.gal) 29/16 (1.812) Carburetor: 3rd: 27/18 (1.500) Manufacturer: 4th: MIKUNI 25/20 (1.250) Type x quantity: 5th: VM26SS x 2 23/22 (1.045) Spark plug (s): 6th:...
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Manufacturer/model: Rim size: DUNLOP/KT877A 9 x 8.5AT Loading: Front brake: Maximum loading limit: Type: 100.0 kg (220 lb) Dual disc brake (Total weight of rider, cargo, accessories, and tongue) Operation: Tire air pressure (measured on cold tires): Right hand operation Recommended fluid: Recommended: DOT 4...
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Electrical system: Ignition system: Charging system: AC magneto Headlight: Bulb type: Krypton bulb Bulb voltage, wattage x quantity: Headlight: 12 V, 30.0/30.0 W × 2 Tail/brake light: 12 V, 5.0/21.0 W × 1 10-4...
Yamaha dealer or for ref- erence in case the ATV is stolen. KEY IDENTIFICATION NUMBER: VEHICLE IDENTIFICATION NUMBER: 1.
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EBU26050 Model label The model label is affixed at the location in the il- lustration. Record the information on this label in the space provided. This information will be need- ed when ordering spare parts from a Yamaha deal- 11-2...
The subsequent owner has the responsibility for ensuring having been performed as recommended in the Yamaha ATV Warranty Policy that a change of registration is sent to YAMAHA at the Owner’s Manual; In this warranty, the term ‘ATV’ shall refer to a new ATV time of such transfer of ownership.
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This warranty does not extend to: a particular purpose on the part of YAMAHA, and any Carburetor(s) ATVs which have been modified in any way from the other obligation or liability on behalf of YAMAHA, and the • Drain float bowl(s) before starting standard specifications as shown in the Owner’s...
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EWB00010 WARNING Indicates a potential hazard that could result in serious injury or death. 11-5...
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INDEX Drive chain slack ............8-41 Accessories and loading ..........6-8 Air filter element, cleaning..........8-17 Engine break-in .............. 6-5 Engine, cold start ............6-1 Engine idling speed............8-30 Brake and clutch levers, checking and lubricating ..8-44 Engine, starting a warm ..........6-3 Brake and shift pedals, checking and lubricating ..
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Suspension, lubricating the upper and lower arm pivots ................. 8-46 Main switch ..............4-1 Suspension relay arm and connecting arm pivoting Maintenance and lubrication chart ........8-5 points, lubricating the rear ......... 8-45 Maintenance chart, emission control system ....8-3 Model label..............11-2 Tail/brake light bulb, replacing ........8-50 Throttle cable free play, adjusting ........
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• with a passenger-passengers affect balance and steering and increase risk of losing control. LOCATE AND READ OWNER’S MANUAL. FOLLOW ALL INSTRUCTIONS AND WARNINGS. (For replacement manual, call 1-800-532-1558) YAMAHA MOTOR CO., LTD. PRINTED IN JAPAN PRINTED ON RECYCLED PAPER 2007.06-1.0x1 !
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