Yamaha WOLVERINE YFM350FXT Owner's Manual
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Yamaha WOLVERINE YFM350FXT Owner's Manual

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READ THIS MANUAL CAREFULLY!
It contains important safety information.
OWNER'S MANUAL
YFM350FXT
WARNING
This ATV should not be ridden by anyone under 16 years of age.
LIT-11626-18-13
2D4-28199-10

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Summary of Contents for Yamaha WOLVERINE YFM350FXT

  • Page 1 READ THIS MANUAL CAREFULLY! It contains important safety information. OWNER’S MANUAL YFM350FXT WARNING This ATV should not be ridden by anyone under 16 years of age. LIT-11626-18-13 2D4-28199-10...
  • Page 2 EBU00776...
  • Page 3 Yamaha experience in the production of fine sporting, touring, and pace-setting racing machines. With the purchase of this Yamaha, you can now appreciate the high degree of crafts- manship and reliability that have made Yamaha a leader in these fields.

  • Page 4: Warning

    EBU00801 IMPORTANT MANUAL INFORMATION FAILURE TO FOLLOW THE WARNINGS CONTAINED IN THIS MANUAL CAN RESULT IN SERIOUS INJURY 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 in- WARNING...
  • Page 5 Please check your local riding laws and regulations before operating this ATV. EBU00981 YFM350FXT OWNER’S MANUAL © 2004 by Yamaha Motor Corporation, AFFIX DEALER U.S.A. 1st edition, March 2004 LABEL HERE All rights reserved.

  • Page 6: Table Of Contents

    EBU00014 CONTROL FUNCTIONS....4-1 WARNING Main switch ........4-1 Indicates a potential hazard that could Indicator and warning lights .....4-2 result in serious injury or death. Handlebar switches ......4-4 Throttle lever ........4-5 Speed limiter ........4-6 CONTENTS Front brake lever......4-7 Brake pedal and rear brake lever ..4-7 Parking brake........4-8 LOCATION OF THE WARNING Shift pedal ........4-10...
  • Page 7 PRE-OPERATION CHECKS ... 5-1 To decelerate........6-7 Front and rear brakes ..... 5-2 Engine break-in ....... 6-7 Fuel ..........5-4 Parking..........6-8 Engine oil ........5-6 Parking on a slope......6-9 Final gear oil........5-6 Accessories and loading ....6-10 Differential gear oil ......
  • Page 8 PERIODIC MAINTENANCE AND Front brake lever free play.....8-27 ADJUSTMENT........8-1 Rear brake and parking brake Owner’s manual and tool kit.... 8-1 adjustment ........8-29 Periodic maintenance/ Adjusting the rear brake light lubrication ........8-3 switch ...........8-31 Engine oil and oil filter element ..8-6 Clutch adjustment ......8-32 Final gear oil ........
  • Page 9 SPECIFICATIONS......10-1 NOISE REGULATION....11-1 MAINTENANCE RECORD .... 12-1 ATV LIMITED WARRANTY.... 13-1 YAMAHA EXTENDED SERVICE (Y.E.S.) ........... 14-1...

  • Page 10: Location Of The Warning And Specification Labels

    Read and understand all of the labels on your machine. They contain important information for safe and proper operation of your ATV. Never remove any labels from your ATV. If a label becomes difficult to read or comes off, a replacement label is available from your Yamaha dealer.
  • Page 11 WARNING WARNING Improper ATV use can result in SEVERE IMPROPER TIRE PRESSURE OR OVERLOADING CAN INJURY or DEATH. CAUSE LOSS OF CONTROL. LOSS OF CONTROL CAN RESULT IN SEVERE INJURY OR DEATH. OPERATING TIRE PRESSURE : Set with tires cold •...
  • Page 12 WARNING UNDER Operating this ATV if you are under the age of 16 increases your chance of severe injury or death. NEVER operate this ATV if you are under age 16. 5FE-21697-01...

  • Page 13: Safety Information

    EBU13351 SAFETY INFORMATION AN ATV IS NOT A TOY AND CAN BE HAZARDOUS TO OPERATE. An ATV handles differently from other vehicles including motorcycles and cars. A collision or rollover can occur quickly, even during routine maneuvers such as turning and riding on hills or over obstacles, if you fail to take proper precautions.
  • Page 14 Always avoid operating an ATV on any paved surfaces, including sidewalks, driveways, park- ing lots and streets. Never operate an ATV on any public street, road or highway, even a dirt or gravel one. Never operate an ATV without wearing an approved motorcycle helmet that fits properly. You should also wear eye protection (goggles or face shield), gloves, boots, a long-sleeved shirt or jacket, and long pants.
  • Page 15 Always follow proper procedures for turning as described in this manual. Practice turning at low speeds before attempting to turn at faster speeds. Do not turn at excessive speed. Never operate the ATV on hills too steep for the ATV or for your abilities. Practice on smaller hills before attempting larger hills.
  • Page 16 Always use proper procedures if you stall or roll backwards when climbing a hill. To avoid stall- ing, use the proper gear and maintain a steady speed when climbing a hill. If you stall or roll backwards, follow the special procedure for braking described in this manual. Dismount on the uphill side or to a side if pointed straight uphill.
  • Page 17 Always use the size and type of tires specified in this manual. Always maintain proper tire pressure as described in this manual. Never modify an ATV through improper installation or use of accessories. Never exceed the stated load capacity for an ATV. Cargo should be properly distributed and securely attached.
  • Page 18 WARNING When transporting the ATV in another vehicle, be sure it is kept upright and POTENTIAL HAZARD that the fuel cock is in the “OFF” posi- Improper handling of gasoline. tion. Otherwise, fuel may leak out of the WHAT CAN HAPPEN carburetor or fuel tank.
  • Page 19 WARNING POTENTIAL HAZARD Starting or running the engine in a closed area. WHAT CAN HAPPEN Exhaust fumes are poisonous and may cause loss of consciousness and death within a short time. HOW TO AVOID THE HAZARD Always operate your ATV in an area with adequate ventilation.

  • Page 20: Description And Machine Identification

    EBU00032 D ESCRIPTION AND MACHINE IDENTIFICATION 1. Spark arrester 11. Recoil starter 2. Battery 12. Shift pedal 3. Rear brake light switch 13. Rear brake lever 4. Headlights 14. Parking brake 5. Brake pedal 15. Main switch 6. Fuel cock 16.

  • Page 21: Identification Number Records

    This number can be used for ordering a new when ordering spare parts from a Yamaha key. dealer or for reference in case the vehicle is stolen.

  • Page 22: Vehicle Identification Number

    Record the information on this la- bel in the space provided. This information will be needed to order spare parts from your Yamaha dealer. 1. Vehicle identification number NOTE: The vehicle identification number is used to identify your machine.

  • Page 23: Control Functions

    EBU00039 C ONTROL FUNCTIONS WARNING Indicates a potential hazard that could result in serious injury or death. EBU09420 Main switch Functions of the respective switch positions are as follows: The engine can be started only at this position and the headlights and taillight come on when the light switch is on.

  • Page 24: Indicator And Warning Lights

    EBU00802 EBU01140 Indicator and warning lights Oil temperature warning light “ ” When the oil temperature reaches a specified level, this light comes on to warn that the en- gine oil temperature is too hot. If the light comes on during operation, stop the engine as soon as it is safe to do so and allow the en- gine to cool down for about 10 minutes.

  • Page 25: Oil Temperature Warning Light Checking Method

    Allow to cool. Engine oil temperature and Ask a Yamaha dealer to electrical circuit are OK. Go inspect the electrical circuit. ahead with riding.

  • Page 26: Handlebar Switches

    EBU00053 EBU00647 Handlebar switches Start switch “START” The starter motor cranks the engine when this switch is pushed. CAUTION: See the starting instructions on page 6-1 prior to starting the engine. EBU11560 Light switch “LIGHTS” Set the switch to the “LO” position to turn on the low beam and the taillight.

  • Page 27: Throttle Lever

    Check the operation of the throttle lever before 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 1. Throttle lever can’t find or solve the problem yourself.

  • Page 28: Speed Limiter

    EBU11590 Speed limiter WARNING The speed limiter keeps the throttle from fully POTENTIAL HAZARD opening, even when the throttle lever is Improper adjustment of the speed limit- pushed to the maximum. Turning in the ad- er and throttle. justing screw limits the maximum engine pow- WHAT CAN HAPPEN er available and decreases the maximum The throttle cable could be damaged.

  • Page 29: Front Brake Lever

    EBU00070 Front brake lever The front brake lever is located on the right handlebar. Pull it toward the handlebar to ap- ply the front brake. 1. Brake pedal 1. Front brake lever EBU00732 Brake pedal and rear brake lever The brake pedal is located on the right side of the ATV and the rear brake lever is located on the left handlebar.

  • Page 30: Parking Brake

    EBU00078 Parking brake Use the parking brake when you have to start the engine or park the machine, especially on a slope. Apply the rear brake lever while pushing the button, then push in the lock plate to apply the parking brake. Squeeze the rear brake lever to release the parking brake.
  • Page 31 WARNING POTENTIAL HAZARD Improper use of the parking brake. WHAT CAN HAPPEN The ATV could start moving unexpect- edly if the parking brake is not applied before starting the engine. This could cause loss of control or a collision. The brake could overheat if you ride the 1.

  • Page 32: Shift Pedal

    EBU00084 EBU01028 Shift pedal Reverse knob “REV” This machine is equipped with a constant- The reverse knob is used to shift into reverse mesh 5-speed forward and 1-speed reverse gear. Refer to the “Reverse knob operation transmission. The shift pedal is located on the and reverse driving”...

  • Page 33: Recoil Starter

    EBU00590 Recoil starter WARNING Firmly grasp the handle and pull slightly until POTENTIAL HAZARD engagement can be felt. Then pull forcefully, Starting the engine in gear and/or start- being careful not to pull the rope all the way ing the engine without setting the park- out.

  • Page 34: Fuel Tank Cap

    EBU00092 EBU00093 Fuel tank cap Fuel cock Remove the fuel tank cap by turning it coun- The fuel cock supplies fuel from the fuel tank terclockwise. to the carburetor. The fuel cock has three positions. OFF: With the lever in this position fuel will not flow.

  • Page 35: Starter (Choke)

    EBU00094 Starter (choke) Starting a cold engine requires a richer air-fuel mixture. A separate starter circuit supplies this mixture. Move in direction a to turn on the starter (choke). Move in direction b to turn off the starter (choke). Refer to “Starting a cold engine” for proper op- eration.

  • Page 36: Seat

    EBU00567 Seat To install the seat, insert the projections on To remove the seat, pull the seat lock lever the front of the seat into the seat holders and upward and pull up the seat at the rear. push down on the seat at the rear. NOTE: Make sure that the seat is securely fitted.

  • Page 37: Storage Box

    EBU00581 Storage box Maximum load limit: 2 kg (4.4 lb) CAUTION: To protect from damage, do not put metal products, like tools or sharply edged prod- ucts directly in the storage box. If they must be stored, wrap them in appropriate cushion material.

  • Page 38: Front Shock Absorber Adjustment

    1. Special wrench Standard position: B A - Minimum (soft) E - Maximum (hard) 1. Spring preload adjusting ring 2. Position indicator NOTE: A special wrench can be obtained at a Yamaha dealer to make this adjustment. 4-16...
  • Page 39 WARNING POTENTIAL HAZARD Improper shock absorber adjustment. WHAT CAN HAPPEN Uneven adjustment can cause poor handling and loss of stability, which could lead to an accident. HOW TO AVOID THE HAZARD Always adjust the shock absorbers on the left and right side to the same set- ting.

  • Page 40: Rear Shock Absorber Adjustment

    E - Maximum (hard) EBU00112 1. Spring preload adjusting ring 2. Position indicator WARNING NOTE: A special wrench can be obtained at a Indicates a potential hazard that could Yamaha dealer to make this adjustment. result in serious injury or death. 4-18...

  • Page 41: Pre-Operation Checks

    P RE-OPERATION CHECKS Before using this machine, check the following points: ITEM ROUTINE PAGE • Check operation, free play, fluid level and fluid leakage. 5-2–5-3, Brakes • Fill with DOT 4 brake fluid if necessary. 8-25–8-31 Parking brake • Check operation, condition and cable length. 8-29–8-31 •...

  • Page 42: Front And Rear Brakes

    If not, have the machine inspected by a HOW TO AVOID THE HAZARD Yamaha dealer. Always inspect your ATV each time you use it to make sure the ATV is in safe op- Brake fluid level erating condition.
  • Page 43 If there is any brakes. leaking, have the machine inspected by a WHAT CAN HAPPEN Yamaha dealer. You could lose braking ability, which Brake operation could lead to an accident. Test the brakes at slow speed after starting HOW TO AVOID THE HAZARD out to make sure they are working properly.

  • Page 44: Fuel

    EBU01085 Fuel Your Yamaha engine has been designed to Make sure there is sufficient gasoline in the use regular unleaded gasoline with a pump tank. octane number ([R+M]/2) of 86 or higher, or research octane number of 91 or higher. If...
  • Page 45 Fuel can spill, which can cause a fire hol containing methanol is not recommended and severe injury. Fuel expands when it by Yamaha because it may cause fuel system heats up. If the fuel tank is overfilled, damage or vehicle performance problems.

  • Page 46: Engine Oil

    EBU00493 EBU10842 Engine oil Final gear oil Make sure the engine oil is at the specified Make sure the final gear oil is at the specified level. Add oil as necessary. (See pages 8-6– level. Add oil as necessary. (See pages 8-11– 8-10.) 8-13 for details.) CAUTION:...

  • Page 47: Throttle Lever

    (See EBU11620 pages 8-35–8-38.) Fittings and fasteners Always check the tightness of chassis fittings and fasteners before a ride. Take the machine to a Yamaha dealer or refer to the Service Manual for correct tightening torque.

  • Page 48: Tires

    The following are minimums: 1. The tires listed below have been ap- Front 22 kPa (0.22 kgf/cm , 3.2 psi) proved by Yamaha Motor Co., Ltd. Rear 22 kPa (0.22 kgf/cm , 3.2 psi) for this model. Other tire combina- tions are not recommended.
  • Page 49 4. Use no more than the following pressures when seating the tire beads. Front 250 kPa (2.5 kgf/cm , 36 psi) Rear 250 kPa (2.5 kgf/cm , 36 psi) Higher pressures may cause the tire to burst. Inflate the tires very slowly and carefully.

  • Page 50: How To Measure Tire Pressure

    EBU00159 How to measure tire pressure Use the low-pressure tire gauge. NOTE: The low-pressure tire gauge is included as standard equipment. Make two measure- ments of the tire pressure and use the second reading. Dust or dirt in the gauge could cause the first reading to be incorrect.

  • Page 51: Tire Wear Limit

    EBU00160 Tire wear limit When the tire groove decreases to 3 mm (0.12 in) due to wear, replace the tire. a. Tire wear limit 5-11...

  • Page 52: Operation

    2. Turn the fuel cock to “ON”. there is a control or function you do not 3. Turn the main switch to “ON” and the en- understand, ask your Yamaha dealer. gine stop switch to “RUN”. 4. Shift the transmission into neutral.
  • Page 53 25°C (80°F) and warm engine the light does not come on, ask a start position. Yamaha dealer to inspect it. The engine can be started in any gear if the rear brake lever or brake pedal is ap- plied. However, it is recommended to shift into neutral before starting the en- gine.

  • Page 54: Starting A Warm Engine

    NOTE: CAUTION: If the engine fails to start, release the See the “Engine break-in” section prior to start switch, then push the start switch operating engine for the first time. again. Pause a few seconds before the next attempt. Each cranking should be as EBU00180 Starting a warm engine short as possible to preserve battery en-...

  • Page 55: Reverse Knob Operation And Reverse Driving

    When in reverse, the reverse indicator light should be on. If the light does not come on, CAUTION: ask a Yamaha dealer to inspect the ATV. Before shifting, stop the ATV and return 4. Check behind you for people or obsta- the throttle lever to its closed position.

  • Page 56: Shifting

    EBU12951 Shifting This model has a 5-speed forward and 1-speed reverse transmission with centrifugal automatic clutch. The transmission allows you to control the amount of power you have avail- able at a given speed or for starting, acceler- ating, climbing hills, etc. To shift into neutral, return the throttle lever to the closed position and repeatedly depress the shift pedal until it stops.

  • Page 57: To Start Out And Accelerate

    EBU00205 To start out and accelerate: WARNING 1. Release the throttle lever. POTENTIAL HAZARD Opening the throttle before releasing CAUTION: the shift pedal. Always close the throttle while shifting WHAT CAN HAPPEN gears. Otherwise, damage to the engine The machine could wheelie. This would and drive train may result.

  • Page 58: To Decelerate

    EBU00207 EBU02092 To decelerate: Engine break-in When slowing down or stopping, release the There is never a more important period in the throttle and apply the brakes smoothly and life of your machine than the period between evenly. As you slow down, shift to a lower zero and 20 hours.

  • Page 59: Parking

    If any abnormality is noticed during this peri- od, consult a Yamaha dealer. 0–10 hours: Avoid continuous operation above half throt- tle. Allow a cooling off period of five to ten min- utes after every hour of operation.

  • Page 60: Parking On A Slope

    EBU12960 Parking on a slope 1. Bring the ATV to a stop by applying the brakes in low gear. WARNING 2. Stop the engine. POTENTIAL HAZARD 3. With the rear brake lever and pedal ap- Parking on a hill or other incline. plied, apply the parking brake and slowly WHAT CAN HAPPEN release the brake pedal.

  • Page 61: Accessories And Loading

    Choose only accessories designed for your Use extra caution when riding an ATV with ATV. Your Yamaha dealer has a variety of accessories. The ATV may handle differ- genuine Yamaha accessories. Other ac- ently than it does without accessories.
  • Page 62 EBU05840 Loading Tie down cargo securely to the carriers. As originally equipped, this ATV is not de- Make sure cargo in the trailer cannot move signed to carry cargo or tow a trailer. If you around. A shifting load can cause an acci- choose to add accessories so that you can dent.
  • Page 63 WARNING POTENTIAL HAZARD Overloading this ATV or carrying or tow- ing cargo improperly. WHAT CAN HAPPEN Could cause changes in vehicle han- dling which could lead to an accident. HOW TO AVOID THE HAZARD Never exceed the stated load capacity for this ATV.
  • Page 64 EBU13471 WARNING Indicates a potential hazard that could result in serious injury or death. 6-13...

  • Page 65: Riding Your Atv

    R iding Your...

  • Page 67: Getting To Know Your Atv

    WARNING Indicates a potential hazard that could result in serious injury or death. GETTING TO KNOW YOUR ATV necessary to enjoy riding safely. Before you This ATV is mainly for recreation, but may begin to ride, be sure you have read this Own- also be used for utility use.

  • Page 68: Ride With Care And Good Judgement

    JUDGEMENT Beginning and inexperienced operators should complete the certified training Get training if you are inexperienced. course offered by Yamaha. They should Beginners should get training from a certified then regularly practice the skills learned instructor. in the course and the operating tech- Become familiar with this ATV at slow speeds niques described in this Owner’s Manu-...
  • Page 69 Not recommended for children under 16 years of age. WARNING POTENTIAL HAZARD Failure to follow the age recommenda- tions for this ATV. WHAT CAN HAPPEN Use by children of ATVs that are not rec- ommended for their age can lead to se- vere injury or death of the child.
  • Page 70 This ATV is designed to carry operator and cargo only - passengers prohibited. WARNING POTENTIAL HAZARD Carrying a passenger on this ATV. WHAT CAN HAPPEN Greatly reduces your ability to balance and control this ATV. Could cause an accident, resulting in harm to you and/ or your passenger.
  • Page 71 Apparel Operating without protective clothing WARNING increases your chances of severe injury in the event of an accident. POTENTIAL HAZARD HOW TO AVOID THE HAZARD Operating this ATV without wearing an Always wear an approved motorcycle approved motorcycle helmet, eye pro- helmet that fits properly.
  • Page 72 Do not operate after consuming alcohol or WARNING drugs. POTENTIAL HAZARD Operator’s performance capability is reduced Operating this ATV after consuming al- by the influence of alcohol or drugs. cohol or drugs. WHAT CAN HAPPEN Could seriously affect your judgment. Could cause you to react more slowly.
  • Page 73 Pre-operation checks WARNING Always perform the pre-operation checks list- POTENTIAL HAZARD ed on page 5-1 before riding for safety and Operating this ATV with improper tires, proper care of the ATV. or with improper or uneven tire pres- WARNING sure. POTENTIAL HAZARD WHAT CAN HAPPEN Failure to inspect the ATV before oper-...
  • Page 74 Speed limiter WARNING For riders inexperienced with this model, this Indicates a potential hazard that could model is equipped with a speed limiter in the result in serious injury or death. throttle lever housing. The speed limiter limits the power and top speed of the ATV. Turning Do not operate at speeds too fast for your the adjusting screw in decreases the top skills or the conditions.
  • Page 75 Loading and accessories WARNING Use extra caution when riding the ATV with POTENTIAL HAZARD additional loads, such as accessories or car- Overloading this ATV or carrying or tow- go. The ATV’s handling may be adversely af- ing cargo improperly. fected. Reduce your speed when adding WHAT CAN HAPPEN additional loads.
  • Page 76 During operation WARNING Always keep your feet on the footboards dur- POTENTIAL HAZARD ing operation. Otherwise your feet may con- Removing hands from handlebars or tact the rear wheels. feet from footboards during operation. WHAT CAN HAPPEN Removing even one hand or foot can re- duce your ability to control the ATV or could cause you to lose your balance and fall off of the ATV.
  • Page 77 Avoid wheelies and jumping. You may lose control of the ATV or overturn. WARNING POTENTIAL HAZARD Attempting wheelies, jumps, and other stunts. WHAT CAN HAPPEN Increases the chance of an accident, in- cluding an overturn. HOW TO AVOID THE HAZARD Never attempt stunts, such as wheelies or jumps.
  • Page 78 Never modify this ATV through improp- er installation or use of accessories. All parts and accessories added to this ve- hicle should be genuine Yamaha or equivalent components designed for use on this ATV and should be installed and used according to instructions. If you have questions, consult an autho- rized ATV dealer.
  • Page 79 Exhaust system The exhaust system on the ATV is very hot during and following operation. To prevent burns, avoid touching the exhaust system. Park the ATV in a place where pedestrians or children are not likely to touch it. WARNING POTENTIAL HAZARD Hot exhaust system.

  • Page 80: Be Careful Where You Ride

    BE CAREFUL WHERE YOU RIDE This ATV is designed for off-road use only. Riding on paved surfaces can cause loss of control. 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 handling and control of the ATV, and may cause the vehicle to go out of con-...
  • Page 81 Do not ride on any public road, street or high- way. Riding on public roads can result in collisions with other vehicles. WARNING POTENTIAL HAZARD Operating this ATV on public streets, roads or highways. WHAT CAN HAPPEN You can collide with another vehicle. HOW TO AVOID THE HAZARD Never operate this ATV on any public street, road or highway, even a dirt or...
  • Page 82 Know the terrain where you ride. Ride cau- tiously in unfamiliar areas. Stay alert for holes, rocks, or roots in the terrain, and oth- er hidden hazards which may cause the ATV to upset. WARNING POTENTIAL HAZARD Failure to use extra care when operating this ATV on unfamiliar terrain.
  • Page 83 WARNING POTENTIAL HAZARD Failure to use extra care when operating on excessively rough, slippery or loose terrain. WHAT CAN HAPPEN Could cause loss of traction or vehicle control, which could result in an acci- dent, including an overturn. HOW TO AVOID THE HAZARD Do not operate on excessively rough, slippery or loose terrain until you have learned and practiced the skills neces-...
  • Page 84 When riding in an area where you might not WHAT CAN HAPPEN easily be seen, such as desert terrain, mount You could be in a collision. You could a caution flag on the ATV. DO NOT use the be injured. flag pole bracket as a trailer hitch.
  • Page 85 Select a large, flat area off-road to become fa- With the engine idling, lift the shift pedal to the miliar with your ATV. Make sure that this area 1st gear position and then release the parking is free of obstacles and other riders. You brake.
  • Page 86 CAUTION: WARNING Do not shift gears without releasing the POTENTIAL HAZARD throttle. Damage to the engine or drive Engaging a lower gear when the engine train may occur. speed is too high. WHAT CAN HAPPEN When slowing down or stopping, release the The wheels could stop rotating.

  • Page 87: Turning Your Atv

    TURNING YOUR ATV HOW TO AVOID THE HAZARD To achieve maximum traction while riding off- Always follow proper procedures for road, the two rear wheels are mounted solidly turning as described in this Owner’s on one axle and turn together at the same Manual.
  • Page 88 Once you have learned this technique you should be able to perform it at higher speeds or in tighter curves. Improper riding procedures such as abrupt throttle changes, excessive braking, incorrect body movements, or too much speed for the sharpness of the turn may cause the ATV to tip.

  • Page 89: Climbing Uphill

    CLIMBING UPHILL HOW TO AVOID THE HAZARD Use proper riding techniques to avoid vehicle Never operate the ATV on hills too steep overturns on hills. Be sure that you can ma- for the ATV or for your abilities. neuver your ATV well on flat ground before at- Practice on smaller hills before attempt- tempting any incline and then practice riding ing large hills.
  • Page 90 WARNING An obstacle, a sharp drop, or another vehicle or person could be on the other POTENTIAL HAZARD side of the hill. Climbing hills improperly. WHAT CAN HAPPEN Could cause loss of control or cause the ATV to overturn. HOW TO AVOID THE HAZARD Always follow proper procedures for climbing hills as described in this Own- er’s Manual.
  • Page 91 If you are climbing a hill and you find that you When crossing the side of a hill: have not properly judged your ability to make Always follow proper procedures as de- it to the top, you should turn the ATV around scribed in the Owner’s Manual.
  • Page 92 If your ATV has stalled or stopped and you WARNING believe you can continue up the hill, restart POTENTIAL HAZARD carefully to make sure you do not lift the front Stalling, rolling backwards or improper- wheels which could cause you to lose control. ly dismounting while climbing a hill.
  • Page 93 Dismount on uphill side or to a side if pointed straight uphill. Turn the ATV around and remount, following the pro- cedure described in the Owner’s Manu- 7-29...

  • Page 94: Riding Downhill

    RIDING DOWNHILL WARNING When riding your ATV downhill, shift your POTENTIAL HAZARD weight as far to the rear and uphill side of the Going down a hill improperly. ATV as possible. Move back on the seat and WHAT CAN HAPPEN sit with your arms straight.
  • Page 95 7-31...

  • Page 96: Crossing A Slope

    CROSSING A SLOPE If your ATV does begin to tip over, gradually Traversing a sloping surface on your ATV re- steer in the downhill direction if there are no quires you to properly position your weight to obstacles in your path. As you regain proper maintain proper balance.
  • Page 97 When crossing the side of a hill: Always follow proper procedures as de- scribed in the Owner’s Manual. Avoid hills with excessively slippery or loose surfaces. Shift your weight to the uphill side of the ATV. 7-33...

  • Page 98: Crossing Through Shallow Water

    CROSSING THROUGH SHALLOW WATER Remember that wet brakes may have re- The ATV can be used to cross slow moving, duced stopping ability. Test your brakes shallow water of up to a maximum of 35 cm after leaving water. If necessary, apply (14 inches) in depth.
  • Page 99 Test your brakes after leaving the water. Do CAUTION: not continue to ride your ATV without verifying After riding your ATV in water, be sure to that you have regained proper braking ability. drain the trapped water by removing the check hose at the bottom of the air filter case.

  • Page 100: Riding Over Rough Terrain

    RIDING OVER ROUGH TERRAIN WARNING Riding over rough terrain should be done with POTENTIAL HAZARD caution. Look out for obstacles which could Improperly operating over obstacles. cause damage to the ATV or could lead to an WHAT CAN HAPPEN upset or accident. Be sure to keep your feet Could cause loss of control or a colli- firmly mounted on the footboards at all times.

  • Page 101: Sliding And Skidding

    SLIDING AND SKIDDING If the rear wheels of your ATV start to slide Care should be used when riding on loose or sideways, control can usually be regained (if slippery surfaces since the ATV may slide. If there is room to do so) by steering in the direc- unexpected and uncorrected, sliding could tion of the slide.
  • Page 102 With practice, over a period of time, skill at WARNING controlled sliding can be developed. The ter- POTENTIAL HAZARD rain should be chosen carefully before at- Skidding or sliding improperly. tempting such maneuvers, since both stability WHAT CAN HAPPEN and control are reduced. Bear in mind that You may lose control of this ATV.

  • Page 103: What To Do If

    WHAT TO DO IF ... If your ATV starts to slide sideways: This section is designed to be a reference Steer in the direction of the slide if you have guide only. Be sure to read each section on the room. riding techniques completely.
  • Page 104 If your ATV is traversing a sloping surface: Be sure to ride with your weight positioned towards the uphill side of the ATV to main- tain proper balance. If the ATV starts to tip, steer down the hill (if there are no obstacles in your way) to regain balance.

  • Page 105: Periodic Maintenance And Adjustment

    EBU00515 P ERIODIC MAINTENANCE AND Have a Yamaha dealer perform service if ADJUSTMENT you are not familiar with machine ser- vice. Periodic inspection, adjustment and lubrica- tion will keep your machine in the safest and most efficient condition possible. Safety is an EBU12210 obligation of the machine owner.
  • Page 106 Yamaha or your machine to a Yamaha dealer to check equivalent components designed for the torque settings and adjust them as neces- use on this ATV and should be installed sary.

  • Page 107: Periodic Maintenance/Lubrication

    EBU02611 PERIODIC MAINTENANCE/LUBRICATION NOTE: For ATVs not equipped with an odometer or an hour meter, follow the month maintenance intervals. For ATVs equipped with an odometer or an hour meter, follow the km (mi) or hours maintenance intervals. How- ever, keep in mind that if the ATV isn’t used for a long period of time, the month maintenance intervals should be followed.
  • Page 108 INITIAL EVERY month Whichever ITEM ROUTINE comes first 1,200 2,400 2,400 4,800 (mi) (200) (750) (1,500) (1,500) (3,000) hours • Clean. Engine oil filter element • Replace if necessary. Engine oil strainer • Clean. Final gear oil • Check oil level/oil leakage. •...
  • Page 109 • Check operation. Lights and switches • Adjust headlight beams. Since these items require special tools, data and technical skills, have a Yamaha dealer perform the service. NOTE: Recommended brake fluid: DOT 4 Brake fluid replacement: • When disassembling the master cylin- ders or calipers, replace the brake flu- id.

  • Page 110: Engine Oil And Oil Filter Element

    EBU11812 Engine oil and oil filter element The engine oil level should be checked before each ride. In addition, the oil must be changed and the oil filter element cleaned at the inter- vals specified in the periodic maintenance and lubrication chart. To check the engine oil level 1.
  • Page 111 To change the engine oil (with or without NOTE: The oil level should be between the minimum oil filter element cleaning) and maximum level marks. 1. Place the ATV on a level surface. 2. Warm up the engine for several minutes, 5.
  • Page 112 6. Clean the oil strainer and oil filter element CAUTION: with solvent. When removing the engine oil drain bolt, 7. Check the O-ring for damage and re- the compression spring, oil strainer and place it if necessary. O-ring will fall out. Take care not to lose these parts.
  • Page 113 9. Install the oil filter cover by installing the 11. Add the specified amount of the recom- bolts, and then tighten them to the speci- mended engine oil, and then install and fied torque. tighten the engine oil filler cap. Tightening torque: Recommended oil: Oil filter cover bolt:...
  • Page 114 CAUTION: In order to prevent clutch slippage (since the engine oil also lubricates the clutch), do not mix any chemical additives. Do not use oils with a diesel specification of “CD” or oils of a high- er quality than specified. In addition, do not use oils labeled “ENERGY CONSERVING II”...

  • Page 115: Final Gear Oil

    EBU11452 Final gear oil 3. If the oil is below the brim of the filler hole, Final gear oil measurement add sufficient oil of the recommended 1. Place the machine on a level surface. type to raise it to the correct level. 2.
  • Page 116 Final gear oil replacement 4. Remove the oil filler bolt and the drain 1. Remove the final gear case cover by re- bolt to drain the oil. moving the bolts. 1. Final gear oil drain bolt 1. Final gear case cover 2.

  • Page 117: Differential Gear Oil Replacement

    EBU07071 Differential gear oil replacement Recommended oil: 1. Place the ATV on a level place. SAE 80 API GL-4 Hypoid gear oil 2. Remove the differential gear case cover Oil quantity: by removing the bolts. 0.19 L (0.17 Imp qt, 0.20 US qt) CAUTION: Be sure no foreign material enters the final gear case.
  • Page 118 3. Place a container under the differential gear case. 4. Remove the filler bolt and drain bolt to drain the oil. 1. Bolt (× 4) 1. Differential case oil filler bolt 8-14...
  • Page 119 Recommended oil: SAE 80 or SAE 80W-90 API “GL-5” Hypoid gear oil for L.S.D. (Limited Slip Differential) Oil quantity: 0.18 L (0.16 Imp qt, 0.19 US qt) CAUTION: Be sure no foreign material enters the dif- 1. Differential gear oil drain bolt ferential gear case.

  • Page 120: Axle Boots

    EBU00862 Axle boots Check the protective boots for holes or tears. If any damage is found, have them replaced by a Yamaha dealer. 1. Boot (× 2) 1. Boot (× 2) 8-16...

  • Page 121: Spark Plug Inspection

    Do not attempt to diagnose such problems yourself. Instead, take the ATV to a Yamaha dealer. You should periodically remove and inspect the spark plug because heat and deposits will cause the spark plug to slowly break down and erode.

  • Page 122: Air Filter Cleaning

    EBU11831 Air filter cleaning 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 filter case. 1. Air filter case cover 2.
  • Page 123 4. Remove the air filter element from the 5. Wash the air filter element gently but frame. thoroughly in solvent. WARNING POTENTIAL HAZARD Using low flash point solvents or gaso- line to clean the air filter element. WHAT CAN HAPPEN Low flash point solvents or gasoline can catch fire or explode.
  • Page 124 The air filter element should be cleaned every replace it. 20–40 hours. It should be cleaned and lubri- 8. Apply Yamaha foam air filter oil or other cated more often if the machine is operated in quality foam air filter oil to the air filter el- extremely dusty areas.

  • Page 125: Spark Arrester Cleaning

    EBU13570 Spark arrester cleaning 3. Tap the tailpipe lightly, and then use a Be sure the exhaust pipe and muffler are cool wire brush to remove any carbon depos- before cleaning the spark arrester. its from the spark arrester portion of the 1.

  • Page 126: Carburetor Adjustment

    The carburetor is a vital part of the engine and POTENTIAL HAZARD requires very sophisticated adjustment. Most Improper cleaning of the spark arrester. adjusting should be left to a Yamaha dealer Hot exhaust system who has the professional knowledge and ex- WHAT CAN HAPPEN perience to do so.

  • Page 127: Idle Speed Adjustment

    To prevent this, the valve clear- tion b to decrease the engine speed. ance must be adjusted regularly. This adjust- ment however, should be left to a professional Specified idle speed: Yamaha service technician. 1,450–1,550 r/min 8-23...

  • Page 128: Reverse Lock Release Cable Adjustment

    This adjustment, however, should be left to a 1. Loosen the locknut. Yamaha dealer. 2. Turn the adjusting bolt until the throttle le- ver free play is 3–5 mm (0.12–0.20 in). 3. Tighten the locknut.

  • Page 129: Checking The Front And Rear Brake Pads

    Yamaha dealer replace the brake 1 mm (0.04 in), have a Yamaha dealer re- pads as a set. place the brake pads as a set.

  • Page 130: Brake Fluid Level Check

    EBU13040 Brake fluid level check Rear Insufficient brake fluid may let air enter the brake system, possibly causing the brakes to become ineffective. Before riding, check that the brake fluid is above the minimum level mark and replenish if necessary. A low brake fluid level may indi- cate worn brake pads and/or brake system leakage.

  • Page 131: Brake Fluid Replacement

    (zero in) at the lever end. If not, mance. have a Yamaha dealer check the brake sys- Be careful that water does not enter the tem. brake fluid reservoir when refilling. Water will significantly lower the boiling point of the fluid and may result in vapor lock.
  • Page 132 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 re- quires professional knowledge. These procedures should be performed by a Yamaha dealer. 8-28...

  • Page 133: Rear Brake And Parking Brake Adjustment

    EBU00343 Rear brake and parking brake adjustment 1. Apply the rear brake pedal several times. 2. Loosen the rear brake cable and parking brake cable locknuts. 1. Caliper adjusting bolt locknut 2. Caliper adjusting bolt 1. Rear brake cable locknut 2.
  • Page 134 5. Turn in the rear caliper adjusting bolt by hand until it feels tight. Then turn it out 1/8 turn and tighten the locknut to the specified torque. Tightening torque: Caliper adjusting bolt locknut: 15 Nm (1.5 m·kgf, 11 ft·lbf) CAUTION: 1.

  • Page 135: Adjusting The Rear Brake Light Switch

    To make the brake procedures should be performed by a light come on earlier, turn the adjusting nut in Yamaha dealer. direction a. To make the brake light come on later, turn the adjusting nut in direction b.

  • Page 136: Clutch Adjustment

    EBU00346 NOTE: Clutch adjustment Turn the adjusting bolt counterclockwise to 1. Loosen the locknut. decrease the clutch free play and turn it clock- 2. Slowly turn the adjusting bolt counter- wise to increase the free play. clockwise until resistance is felt. Then, turn it 1/8 turn clockwise.

  • Page 137: Brake And Shift Pedal/Brake Lever Lubrication

    2. Elevate the ATV and place a suitable stand under the frame. Recommended lubricant: 3. Remove the nuts from the wheel. Yamaha chain and cable lube or 4. Remove the wheel. SAE 10W30 motor oil EBU00727 Brake and shift pedal/brake lever...

  • Page 138: Wheel Installation

    EBU01121 Wheel installation 1. Install the wheel and the nuts. NOTE: Tapered nuts are used for both the front and rear wheels. Install the nut with its ta- pered side towards the wheel. The arrow mark on the tire must point toward the rotating direction of the wheel.

  • Page 139: Battery

    EBU00378 Battery Check the level of the battery fluid and see if the terminals are tight. Add distilled water if the fluid level is low. CAUTION: Do not leave or store the battery on its side. When inspecting the battery, be sure the breather hose is routed correctly.
  • Page 140 HOW TO AVOID THE HAZARD Avoid contact with skin, eyes or cloth- ing. Always shield eyes when working near batteries. Keep out of reach of chil- dren. Antidote: EXTERNAL: Flush with water. INTERNAL: Drink large quantities of wa- ter or milk. Follow with milk of magne- sia, beaten egg or vegetable oil.

  • Page 141: Replenishing The Battery Fluid

    EBU00542 Replenishing the battery fluid A poorly maintained battery will corrode and discharge quickly. The battery fluid should be checked at least once a month. 1. The level should be between the upper and lower level marks. Use only distilled water if refilling is necessary.
  • Page 142 5. When the machine is not to be used for a month or longer, remove the battery and store it in a cool, dark place. Completely recharge the battery before reusing. 6. If the battery is to be stored for a longer period than the above, check the specific gravity at least once a month and re- charge the battery when it is too low.

  • Page 143: Fuse Replacement

    Then turn on the switch- An improper fuse can cause damage to es. If the fuse immediately blows again, the electrical system which could lead consult a Yamaha dealer. to a fire. Specified fuse: 20 A HOW TO AVOID THE HAZARD Always use a fuse of the specified rat- ing.

  • Page 144: Replacing A Headlight Bulb

    EBU01088 Replacing a headlight bulb 2. Remove the bulb holder cover. If a headlight bulb burns out, replace the bulb 3. Turn the bulb holder counterclockwise to as follows. remove the defective bulb. 1. Remove the screws holding the headlight unit assembly to the headlight body.

  • Page 145: Headlight Beam Adjustment

    WARNING CAUTION: POTENTIAL HAZARD The headlight bulb is hot when it is on It is advisable to have a Yamaha dealer and immediately after it is turned off. make this adjustment. WHAT CAN HAPPEN To raise the beam, turn the adjusting screw in You can be burned, or a fire could start direction a.

  • Page 146: Tail/Brake Light Bulb Replacement

    EBU09451 Tail/brake light bulb replacement 3. Remove the bulb holder (together with 1. Open the storage box. (See page 4-15.) the bulb) by turning it counterclockwise. 2. Remove the nuts together with the wash- ers. 1. Tail/brake light bulb holder 4.

  • Page 147: Troubleshooting

    EBU00412 Troubleshooting Although Yamaha machines receive a rigid in- spection before shipment from the factory, trouble may occur during operation. Any prob- lem in the fuel, compression, or ignition sys- tems can cause poor starting and loss of power. The troubleshooting chart describes a quick, easy procedure for making checks.
  • Page 148 WARNING POTENTIAL HAZARD Checking the fuel system while smok- ing or near an open flame. WHAT CAN HAPPEN Fuel can ignite or explode, causing se- vere injury or property damage. HOW TO AVOID THE HAZARD Do not smoke when checking the fuel system.

  • Page 149: Troubleshooting Chart

    No fuel. 2. Compression There is compression. Compression normal. Use the electric starter to see if there is compression. Ask a Yamaha dealer to No compression. inspect. 3. Ignition Wipe clean with dry cloth. Ignition system is Spark is good.

  • Page 150: Cleaning And Storage

    EBU00419 C LEANING AND STORAGE CAUTION: Excessive water pressure may cause wa- A. CLEANING ter seepage and deterioration of wheel Frequent, thorough cleaning of your machine bearings, brakes, transmission seals and will not only enhance its appearance but will electrical devices. Many expensive repair improve its general performance and extend bills have resulted from improper high the useful life of many components.
  • Page 151 6. Clean the seat with a vinyl upholstery WARNING cleaner to keep the cover pliable and POTENTIAL HAZARD glossy. Operation with wet brakes after wash- 7. Automotive type wax may be applied to ing. all painted and chrome plated surfaces. WHAT CAN HAPPEN Avoid combination cleaner-waxes.

  • Page 152: Storage

    Do not apply oil to fuel) any rubber parts or the seat cover. NOTE: Use of fuel stabilizer and conditioner elimi- nates the need to drain the fuel system. Con- sult a Yamaha dealer if the fuel system needs to be drained instead.
  • Page 153 7. Remove the battery and charge it. Store it in a dry place and recharge it once a month. Do not store the battery in an ex- cessively warm or cold place (less than 0 °C (30 °F) or more than 30 °C (90 °F)). NOTE: Make any necessary repairs before storing the machine.

  • Page 154: Specifications

    EBU00428 S PECIFICATIONS MODEL YFM350FX Dimensions: Overall length 1,870 mm (73.6 in) Overall width 1,075 mm (42.3 in) Overall height 1,150 mm (45.3 in) Seat height 790 mm (31.1 in) 1,230 mm (48.4 in) Wheel base Minimum ground clearance 220 mm (8.66 in) Minimum turning radius 3,500 mm (138 in) Basic weight:...
  • Page 155 MODEL YFM350FX Engine oil: 0˚ 10˚ 30˚ 70˚ 90˚ 110˚ 130˚F 50˚ Type YAMALUBE 4 (20W40) or SAE 20W40 YAMALUBE 4 (10W30) or SAE 10W30 SAE 5W30 -20˚ -10˚ 0˚ 20˚ 30˚ 40˚ 50˚C 10˚ Recommended engine oil classification: API Service SE, SF, SG type or higher CAUTION: In order to prevent clutch slippage (since the engine oil also lubricates the clutch), do not mix any chemical addi-...
  • Page 156 MODEL YFM350FX Differential gear oil: Type SAE80 or SAE80W-90 API GL-5 Hypoid gear oil for L.S.D. (Limited Slip Differential) Quantity 0.18 L (0.16 Imp qt, 0.19 US qt) Air filter: Wet element Fuel: Type UNLEADED GASOLINE ONLY Fuel tank capacity 13 L (2.9 Imp gal, 3.4 US gal) Fuel reserve amount 1.7 L (0.37 Imp gal, 0.45 US gal)
  • Page 157 MODEL YFM350FX Transmission: Primary reduction system Spur gear Primary reduction ratio 76/24 (3.167) Secondary reduction system Shaft drive 24/28 × 24/18 × 33/09 (4.190) Secondary reduction ratio Transmission type Constant mesh 5-speed Operation Left foot operation Gear ratio: 38/13 (2.923) 34/18 (1.889) 30/22 (1.364) 26/25 (1.040)
  • Page 158 MODEL YFM350FX Suspension: Front suspension Double wishbone Rear suspension Swingarm (monocross) Shock absorber: Front shock absorber Coil spring / oil damper Rear shock absorber Coil spring / oil damper Wheel travel: Front wheel travel 180 mm (7.1 in) Rear wheel travel 180 mm (7.1 in) Electrical: Ignition system...

  • Page 159: Noise Regulation

    EBU00430 NOISE REGULATION TAMPERING WITH NOISE CONTROL SYSTEM PROHIBITED: Federal law prohibits the following acts or the causing thereof: (1) The removal or rendering inop- erative by any person other than for purposes of maintenance, repair, or replacement of any de- vice or element of design incorporated into any new vehicle for the purpose of noise control prior to its sale or delivery to the ultimate purchaser or while it is in use or (2) the use of the vehicle after such device or element of design has been removed or rendered inoperative by any person.

  • Page 160: Maintenance Record

    EBU13653 M AINTENANCE RECORD Copies of work orders and/or receipts for parts you purchase and install will be required to docu- ment maintenance done in accordance with the warranty. The chart below is printed only as a re- minder to you that the maintenance work is required. It is not acceptable proof of maintenance work.

  • Page 161: Atv Limited Warranty

    EBU00432 YAMAHA MOTOR CORPORATION, U.S.A. ATV LIMITED WARRANTY 13-1...
  • Page 162 13-2...

  • Page 163: Yamaha Extended Service (Y.e.s.)

    EBU00435 YAMAHA EXTENDED SERVICE (Y.E.S.) 14-1...
  • Page 164 14-2...
  • Page 165 EBU00436 WARNING Indicates a potential hazard that could result in serious injury or death.
  • Page 166 EBU00437...
  • Page 167 LOCATE AND READ OWNER’S MANUAL. FOLLOW ALL INSTRUCTIONS AND WARNINGS. (For replacement manual, call 1-800-532-1558) YAMAHA MOTOR CO., LTD. PRINTED ON RECYCLED PAPER PRINTED IN JAPAN 2004.04-0.5×1 CR...

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