Yamaha WOLVERINE YFM350FXR Owner's Manual
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Yamaha WOLVERINE YFM350FXR Owner's Manual

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READ THIS MANUAL CAREFULLY!
It contains important safety information.
OWNER'S MANUAL
YFM350FXR
WARNING
This ATV should not be ridden by anyone under 16 years of age.
LIT-11626-16-03
4KB-28199-1D

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Summary of Contents for Yamaha WOLVERINE YFM350FXR

  • Page 1 READ THIS MANUAL CAREFULLY! It contains important safety information. OWNER’S MANUAL YFM350FXR WARNING This ATV should not be ridden by anyone under 16 years of age. LIT-11626-16-03 4KB-28199-1D...
  • 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 I MPORTANT 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 injury or WARNING...
  • Page 5 Please check your local riding laws and regulations before operating this machine. EBU00981 YFM350FXR OWNER’S MANUAL © 2002 by Yamaha Motor Corporation, AFFIX DEALER U.S.A. 1st edition, February 2002 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. Oil temperature warning light checking method......4-3 Handlebar switches ......4-4 CONTENTS Throttle lever ........4-5 Speed limiter ........4-6 Front brake lever......4-7 LOCATION OF THE WARNING Rear brake pedal and lever .....4-7...
  • Page 7 PRE-OPERATION CHECKS ... 5-1 To decelerate:........6-7 Front and rear brakes ..... 5-3 Engine break-in ....... 6-7 Fuel ..........5-5 Parking..........6-8 Engine oil ........5-7 Parking on a slope......6-9 Final gear oil........5-8 Accessories and loading ....6-10 Differential gear oil ......
  • Page 8 PERIODIC MAINTENANCE AND Rear brake and parking brake ADJUSTMENT........8-1 adjustment ........8-26 Owner’s manual and tool kit.... 8-1 Adjusting the rear brake light Periodic maintenance/ switch ...........8-28 lubrication ........8-3 Clutch adjustment ......8-29 Engine oil......... 8-5 Cable inspection and lubrication..8-29 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

    EBU00924 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, 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 proper gear and maintain a steady speed when climbing a hill. If you stall or roll back- wards, 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 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 DESCRIPTION AND MACHINE IDENTIFICATION 1. Spark arrester 11. Shift pedal 2. Battery 12. Rear brake lever 3. Headlight 13. Parking brake 4. Rear brake pedal 14. Main switch 5. Fuel cock 15. Reverse knob 6. Starter (choke) 16. Speed limiter 7.

  • 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 1.

  • Page 23: Control Functions

    EBU00039 CONTROL FUNCTIONS WARNING Indicates a potential hazard that could result in serious injury or death. EBU01057 Main switch Functions of the respective switch positions are as follows: The engine can be started only at this position and the headlights and tail/brake light 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. EBU01076 Light switch “LIGHTS” Turn the switch to the “LO” position to switch on the low beam and the tail/brake light.

  • 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

    EBU00066 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. Screwing in the ad- er and throttle. juster limits the maximum engine power avail- WHAT CAN HAPPEN able and decreases the maximum speed of 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. Rear brake pedal 1. Front brake lever EBU00073 Rear brake pedal and lever The brake pedal is located on the right side of the machine and the 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 ATV without releasing the parking brake.

  • 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 NOTE: A special wrench can be obtained at a Yamaha dealer to make this adjustment. 4-16...

  • Page 39: Rear Shock Absorber Adjustment

    HOW TO AVOID THE HAZARD Always adjust the shock absorbers on the left and right side to the same set- ting. 1. Spring preload adjusting ring NOTE: A special wrench can be obtained at a Yamaha dealer to make this adjustment. 4-17...
  • Page 40 1. Special wrench Standard position: B A - Minimum (soft) E - Maximum (hard) EBU00112 WARNING Indicates a potential hazard that could result in serious injury or death. 4-18...

  • Page 41: Pre-Operation Checks

    PRE-OPERATION CHECKS Before using this machine, check the following points: ITEM ROUTINE PAGE • Check operation, free play, fluid level and fluid leakage. 5-3–5-4, Brakes • Fill with DOT 4 brake fluid if necessary. 8-22–8-28 Parking brake • Check operation, condition and cable free play. 8-26–8-28 •...
  • Page 42 WARNING POTENTIAL HAZARD Failure to inspect the ATV before oper- ating. Failure to properly maintain the ATV. WHAT CAN HAPPEN Increases the possibility of an accident or equipment damage. HOW TO AVOID THE HAZARD Always inspect your ATV each time you use it to make sure the ATV is in safe op- erating condition.

  • Page 43: Front And Rear Brakes

    (See pages 8-25–8-28.) Check the leaking, have the machine inspected by a operation of the brake levers and brake pedal. Yamaha dealer. They should move smoothly and there should Brake operation be a firm feeling when the brakes are applied.
  • Page 44 Always check the brakes at the start of every ride. Do not ride the ATV if you find any problem with the brakes. If a problem cannot be corrected by the ad- justment procedures provided in this manual, have the ATV inspected by a Yamaha dealer.

  • Page 45: 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 46 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 47: Engine Oil

    EBU01084 Engine oil CAUTION: Make sure the engine oil is at the specified In order to prevent clutch slippage level. Add oil as necessary. (See page 8-5.) (since the engine oil also lubricates the Recommended oil: clutch), do not mix any chemical addi- tives.

  • Page 48: Final Gear Oil

    Make sure the differential gear oil is at the and fasteners before a ride. Take the machine specified level. Add oil as necessary. (See to a Yamaha dealer or refer to the Service pages 8-11–8-12 for details.) Manual for correct tightening torque.

  • Page 49: Lights

    HOW TO AVOID THE HAZARD distilled water if refilling is necessary. (See 1. The tires listed below have been ap- pages 8-33–8-35.) proved by Yamaha Motor Co., Ltd. for this model. Other tire combina- tions are not recommended. ACE-01EACE-01E Manufacturer...
  • Page 50 2. The tires should be set to the rec- 4. Use no more than the following ommended pressure: pressures when seating the tire Recommended tire pressure beads. Front 25 kPa (0.25 kgf/cm , 3.6 psi) Front 250 kPa (2.5 kgf/cm , 36 psi) Rear 25 kPa (0.25 kgf/cm , 3.6 psi)

  • Page 51: 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 52: 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. 3 mm (0.12 in) 5-12...

  • Page 53: 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 54 If start position. the light does not come on, ask a Yamaha dealer to inspect it. The engine can be started in any gear if the rear brake lever is applied. However, it is recommended to shift into neutral be- fore starting the engine.

  • Page 55: 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 EBU00180 next attempt. Each cranking should be as Starting a warm engine short as possible to preserve battery en- To start a warm engine, refer to the “Starting a...

  • Page 56: Reverse Knob Operation And Reverse Driving

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

  • Page 57: Shifting

    EBU00201 Shifting CAUTION: This model has a 5-speed forward and 1- Do not coast for long periods with the en- speed reverse transmission with centrifugal gine off, and do not tow the machine a automatic clutch. The transmission allows you long distance.

  • Page 58: 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 59: To Decelerate

    EBU00207 EBU00209 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 60: Parking

    If any abnormality is noticed during this peri- od, consult a Yamaha dealer. 1. 0–10 hours: Avoid continuous operation above half throttle. Allow a cooling off period of five to ten minutes after every hour of opera- tion.

  • Page 61: Parking On A Slope

    EBU00219 Parking on a slope 1. Bring the machine 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 rear brake pedal.

  • Page 62: 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 63 EBU00586 Loading Do not exceed the maximum tongue Cargo or a trailer can change the stability and weight. You can measure tongue weight handling of an ATV. with a bathroom scale. Put the tongue of You must use common sense and good judg- the loaded trailer on the scale with the ment when carrying cargo or towing a trailer.
  • Page 64 Ride more slowly than you would without a WARNING load. The more weight you carry, the slow- POTENTIAL HAZARD er you should go. Although conditions vary, Overloading this ATV or carrying or tow- it is good practice not to exceed 2nd gear ing cargo improperly.
  • Page 65 6-13...
  • Page 66 EBU01114 WARNING Indicates a potential hazard that could result in serious injury or death. 6-14...

  • Page 67: Riding Your Atv

    R iding Your...

  • Page 69: 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 utility use, but may also begin to ride, be sure you have read this Own- be used for recreation.

  • Page 70: Ride With Care And Good 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. Become familiar with this ATV at...
  • Page 71 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 72 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 73 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 74 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 75 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 76 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 screw in decreases top speed, and turning skills or the conditions.
  • Page 77 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 78 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 79 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 80 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 81 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 82: 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 83 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 84 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 85 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 86 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 87 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 88 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 89: 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 90 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 91: 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 92 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 93 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 94 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 95 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 96: 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 97 7-31...

  • Page 98: 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 99 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 100: 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 101 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 102: 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 103 7-37...

  • Page 104: 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 105 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 106: What To Do If

    WHAT TO DO IF ... If your ATV starts to slide sideways: Steer This section is designed to be a reference in the direction of the slide if you have the guide only. Be sure to read each section on room.
  • Page 107 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 108: Periodic Maintenance And Adjustment

    EBU00515 PERIODIC 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 EBU00257 obligation of the machine owner.
  • Page 109 HOW TO AVOID THE HAZARD during a service operation requiring one, take Never modify this ATV through improp- your machine to a Yamaha dealer to check er installation or use of accessories. All the torque settings and adjust them as neces- parts and accessories added to this ve- sary.

  • Page 110: Periodic Maintenance/Lubrication

    EBU00261 PERIODIC MAINTENANCE/LUBRICATION INITIAL EVERY ITEM ROUTINE month months months months year • Check valve clearance. Valves* • Adjust if necessary. • Check condition. Spark plug • Adjust gap and clean. • Replace if necessary. • Clean. Every 20–40 hours Air filter •...
  • Page 111 • Check specific gravity. Battery* • Check that the breather hose is positioned properly. • Correct if necessary. It is recommended that these items be serviced by a Yamaha dealer. ** Lithium-soap-based grease NOTE: • Recommended brake fluid: DOT 4 •...

  • Page 112: Engine Oil

    EBU00997 Engine oil 4. Remove the dipstick, and then check the Engine oil level measurement oil level. 1. Place the machine on a level surface. NOTE: 2. Warm up the engine for several minutes, The oil level should be between the maximum and then stop it.

  • Page 113: Engine Oil Replacement/Oil Filter Element Cleaning

    Engine oil replacement and oil filter ele- ment cleaning 1. Place the machine on a level surface. 2. Warm up the engine for several minutes and stop it. 3. Place a container under the engine to collect the used oil. 4.
  • Page 114 6. Clean the oil strainer and oil filter element 9. Install the oil filter cover by installing the with solvent. bolts. 7. Check the O-ring for damage and re- 10. Install the oil strainer, compression place it if necessary. spring, O-ring and drain bolt. Tighten the 8.
  • Page 115 Recommended oil: See page 5-7. Oil quantity: Periodic oil change: 2.9 L (2.6 lmp qt, 3.1 US qt) With oil filter replacement: 3.0 L (2.6 lmp qt, 3.2 US qt) Total amount: 3.5 L (3.1 lmp qt, 3.7 US qt) CAUTION: Be sure no foreign material enters the crankcase.

  • Page 116: Final Gear Oil

    EBU00825 Final gear oil Final gear oil measurement 1. Place the machine on a level place. 2. Remove the oil filler bolt and check the oil level. It should be up to the brim of the hole. If the level is low, add oil to raise it to the proper level.
  • Page 117 2. Place the machine on a level place. 6. Fill the final gear case with oil. 3. Place a container under the final gear Recommended oil: case to collect the used oil. See page 10-3. 4. Remove the oil filler bolt and the drain Oil quantity: bolt to drain the oil.

  • Page 118: Differential Gear Oil Replacement

    EBU00707 Differential gear oil replacement 3. Place a container under the differential 1. Place the machine on a level place. gear case. 2. Remove the differential gear case cover. 4. Remove the filler bolt and drain bolt to drain the oil. 1.
  • 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: Periodic oil change: 0.18 L (0.16 Imp qt, 0.19 US qt) Total amount: 0.2 L (0.18 Imp qt, 0.21 US qt) 1.

  • 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) 8-13...

  • 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

    EBU00288 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 3.
  • Page 123 4. Wash the element gently but 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. HOW TO AVOID THE HAZARD Use parts cleaning solvent to clean the air filter element.
  • Page 124 6. Inspect the element. If damaged, replace NOTE: The air filter element should be cleaned every 7. Apply Yamaha foam air filter oil or other 20–40 hours. It should be cleaned and lubri- quality foam air filter oil to the element. If...

  • Page 125: Spark Arrester Cleaning

    EBU01111 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- ance must be adjusted regularly. This adjust- Specified idle speed: ment however, should be left to a professional 1,450–1,550 r/min Yamaha service technician. 8-20...

  • Page 128: Reverse Lock Release Cable Adjustment

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

  • Page 129: Front And Rear Brake Pad Inspection

    The indicators allow checking of brake pad wear without disassembling the brake. Apply the brake and inspect the wear indica- tors. If they are ALMOST in contact with the disc plate, ask a Yamaha dealer to replace the pads. Front 1. Wear indicator (× 2) a.

  • Page 130: Brake Fluid Level Inspection

    EBU00755 Brake fluid level inspection 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 lower level and replenish when necessary. Observe these precautions: Front 1.

  • Page 131: Brake Fluid Replacement

    Yamaha service performance. personnel. 4. Be careful that water does not enter the 2. Have a Yamaha dealer replace the fol- master cylinder when refilling. Water will lowing components during periodic main- significantly lower the boiling point of the tenance or when they are damaged or fluid and may result in vapor lock.

  • Page 132: Front Brake Lever Free Play

    The front brake lever should have a free play POTENTIAL HAZARD of zero mm (zero in) at the lever end. If not, Operating with improperly serviced or have a Yamaha dealer check the brake sys- adjusted brakes. tem. WHAT CAN HAPPEN You could lose braking ability, which could lead to an accident.

  • 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: 16 Nm (1.6 m·kgf, 12 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

    Lubricate the inner cables and the cable ends. If the cables do not operate smoothly, ask a Yamaha dealer to replace them. Recommended lubricant: Yamaha chain and cable lube or SAE 10W30 motor oil EBU00727 Brake and shift pedal/brake lever...

  • Page 138: Wheel Removal

    EBU01112 EBU01121 Wheel removal Wheel installation 1. Loosen the wheel nuts. 1. Install the wheel and the nuts. 2. Elevate the ATV and place a suitable NOTE: stand under the frame. Tapered nuts are used for both the front 3. Remove the nuts from the wheel. and rear wheels.
  • Page 139 1. Tapared nut 2. Lower the ATV so that the wheel is on the ground. 3. Tighten the wheel nuts to the specified torque. Wheel nut torque: Front: 64 Nm (6.4 m·kgf, 46 ft·lbf) Rear: 64 Nm (6.4 m·kgf, 46 ft·lbf) 8-32...

  • Page 140: 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 141: Replenishing The Battery Fluid

    EBU00542 Replenishing the battery fluid HOW TO AVOID THE HAZARD A poorly maintained battery will corrode and Avoid contact with skin, eyes or cloth- discharge quickly. The battery fluid should be ing. Always shield eyes when working checked at least once a month. near batteries.
  • 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

    EBU00945 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 washers. 1. Bulb holder 1. Storage box 2. Nut (× 2) 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

    Supply fuel. 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 Spark good. normal.

  • Page 150: Cleaning And Storage

    EBU00419 CLEANING 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 SPECIFICATIONS 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) Wheel base 1,230 mm (48.4 in) 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˚ 10˚ 20˚ 30˚ 40˚ 50˚C 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 Final gear oil: Type SAE80API “GL-4” Hypoid gear oil Quantity: Periodic oil change 0.19 L (0.17 Imp qt, 0.20 US qt) Total amount 0.25 L (0.22 Imp qt, 0.26 US qt) Differential gear oil: Type SAE80 or SAE80W-90 API GL-5 Hypoid gear oil for L.S.D.
  • 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

    EBU00431 MAINTENANCE 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. 14-3...
  • Page 166 EBU00437 14-5...
  • 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 2002.03-0.6×1 CR...

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