Yamaha KODIAK 400 Owner's Manual
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READ THIS MANUAL CAREFULLY!
It contains important safety information.
OWNER'S MANUAL
YFM400FAT
WARNING
This ATV should not be ridden by anyone under 16 years of age.
LIT-11626-18-36
1P1-F8199-10

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Summary of Contents for Yamaha KODIAK 400

  • Page 1 READ THIS MANUAL CAREFULLY! It contains important safety information. OWNER’S MANUAL YFM400FAT WARNING This ATV should not be ridden by anyone under 16 years of age. LIT-11626-18-36 1P1-F8199-10...
  • 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 SE- RIOUS 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 WARNING...
  • Page 5 Please check your local riding laws and regulations before operating this ATV. EBU01067 YFM400FAT OWNER’S MANUAL ©2004 by Yamaha Motor Corporation, AFFIX DEALER U.S.A. 1st edition, May 2004 LABEL HERE All rights reserved. Any reprinting or...
  • 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. Speedometer ........4-6 Fuel gauge ........4-6 Handlebar switches ......4-7 CONTENTS Throttle lever ........4-10 Speed limiter ........4-11 Front brake lever......4-12 LOCATION OF THE WARNING Brake pedal and rear brake AND SPECIFICATION LABELS..
  • Page 7 PRE-OPERATION CHECKS ... 5-1 Parking on a slope......6-9 Front and rear brakes ..... 5-2 Accessories and loading ....6-10 Fuel ..........5-4 Engine oil ........5-6 RIDING YOUR ATV ......7-1 Final gear oil........5-6 Getting to know your ATV ....7-3 Differential gear oil ......
  • Page 8 PERIODIC MAINTENANCE AND Front brake pad check ....8-39 ADJUSTMENT........8-1 Rear brake pad check....8-40 Owner’s manual and tool kit.... 8-1 Inspecting the brake fluid level ..8-41 Periodic maintenance/ Brake fluid replacement ....8-43 lubrication ........8-3 Front brake lever free play.....8-43 Panel removal and installation ..
  • Page 9 ........ 8-59 Troubleshooting ......8-61 Troubleshooting charts ....8-62 CLEANING AND STORAGE.... 9-1 A. Cleaning........9-1 B. Storage ........9-3 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

    EBU00464 L OCATION OF THE WARNING AND SPECIFICATION LABELS...
  • Page 11 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. WARNING Overloading this ATV or carrying cargo improperly can change handling, stability and braking performance and can lead to an accident.
  • Page 12 MAXIMUM . LOADING LIMIT MAXIMUM LOADING LIMIT ( 5 0 0 k g f ) PULLING LOAD: 4900 N 1102 l b f ( 1 5 k g f ) TONGUE WEIGHT: 147 N 33 l b f 5ND-F151K-00 WARNING Overloading this ATV or carrying cargo improperly can change handling, stability and braking performance and can lead to an accident.
  • Page 14: Safety Information

    EBU13401 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 15 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 a jacket, and long pants. Never consume alcohol or drugs before or while operating this ATV. Never operate at speeds too fast for your skills or the conditions.
  • Page 16 Always follow proper procedures for climbing hills as described in this manual. Check the ter- rain carefully before you start up any hill. Never climb hills with excessively slippery or loose surfaces. Shift your weight forward. Never open the throttle suddenly. Never go over the top of a hill at high speed.
  • Page 17 Always be careful when skidding or sliding. Learn to safely control skidding or sliding by prac- ticing at low speeds and on level, smooth terrain. On extremely slippery surfaces, such as ice, go slowly and be very cautious in order to reduce the chance of skidding or sliding out of con- trol.
  • 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. Rear shock absorber assembly 14. Engine oil dipstick spring preload adjusting ring 15. Oil filter cartridge 2. Spark arrester 16. Coolant reservoir 3. Storage compartment and tool 17. V-belt cooling duct check hose 18.
  • 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 (front left side) NOTE: The vehicle identification number is used to 1.
  • Page 23: Control Functions

    EBU00039 C ONTROL FUNCTIONS WARNING Indicates a potential hazard that could result in serious injury or death. EBU12490 Main switch Functions of the respective switch positions are as follows: 1. Main switch The engine can be started only at this position and the headlights, taillight and meter lighting come on when the light switch is on.
  • Page 24: Indicator And Warning Lights

    5. Four-wheel drive indicator light “ ” 3. Push the start switch. If the warning light does not come on while the start switch is pushed, have a Yamaha dealer check EBU06090 Park indicator light “P” the electrical circuit. This indicator light comes on when the drive...
  • Page 25 CAUTION: The engine may overheat if the ATV is overloaded. If this happens, reduce the load to specification. Restart after making sure that the light is out. Continuous use while the light is on may cause damage to the en- gine.
  • Page 26 Coolant temperature Coolant temperature warning light comes on warning light does not momentarily. come on. Coolant temperature and electrical circuit are OK. Ask a Yamaha dealer to Go ahead with riding. inspect the electrical circuit.
  • Page 27 EBU12500 EBU09720 Reverse indicator light “R” Neutral indicator light “N” This indicator light comes on when the drive This indicator light comes on when the drive select lever is in the “R” position. select lever is in the “N” position. EBU00605 Four-wheel-drive indicator light “...
  • Page 28: Speedometer

    EBU00447 EBU00052 Speedometer Fuel gauge The speedometer shows riding speed. This The fuel gauge indicates the amount of fuel in speedometer is equipped with a trip odome- the fuel tank. When the needle reaches the ter. The trip odometer can be reset to “0” with red line, refill the tank at the first opportunity.
  • Page 29: Handlebar Switches

    EBU00053 Handlebar switches CAUTION: Do not use the headlights with the engine turned off for more than thirty minutes. The battery may discharge to the point that the starter motor will not operate properly. If this should happen, remove the battery and recharge it. EBU12050 Engine stop switch “...
  • Page 30 EBU00607 Start switch “ ” The starter motor cranks the engine when this switch is pushed. CAUTION: See starting instructions prior to starting the engine. (See page 6-1 for details.) 1. Four-wheel drive switch “2WD/4WD” EBU00601 On-Command four-wheel drive switch “2WD/4WD”...
  • Page 31 WARNING POTENTIAL HAZARD Changing from 2WD to 4WD or from 4WD to 2WD while the ATV is moving. WHAT CAN HAPPEN The ATV handles differently in 2WD than in 4WD in some circumstances. Changing from 2WD to 4WD or from 4WD to 2WD while moving may cause the ATV to unexpectedly handle differ- ently.
  • Page 32: 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. 4-10...
  • Page 33: Speed Limiter

    EBU01159 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 34: 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 35: Drive Select Lever

    EBU15200 EBU08550 Drive select lever Recoil starter The drive select lever is used to shift your ma- Firmly grasp the handle and pull slightly until chine into the forward, neutral, reverse and engagement can be felt. Then pull forcefully, park positions. (Refer to page 6-4 for the drive being careful not to pull the rope all the way select lever operation.) out.
  • Page 36: Fuel Tank Cap

    EBU00092 Fuel tank cap WARNING Remove the fuel tank cap by turning it coun- POTENTIAL HAZARD terclockwise. Starting the engine without setting the drive select lever to the park position “P”. WHAT CAN HAPPEN The ATV could start to move unexpect- edly, which could cause an accident.
  • Page 37: Fuel Cock

    EBU00930 Fuel cock OFF Position The fuel cock supplies fuel from the fuel tank to the carburetor. The fuel cock has three positions. OFF: With the lever in this position, fuel will not flow. Always turn the lever to this position when the engine is not running.
  • Page 38: Starter (Choke)

    EBU00095 Starter (choke) “ ” RES Position 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).
  • Page 39: Seat

    EBU05670 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 40: Front Carrier

    EBU00582 EBU15230 Front carrier Storage compartment Maximum load limit: 40 kg (88 lb) Maximum load limit: 2.0 kg (4 lb) The storage compartment is located under the seat. (See page 4-17 for seat removal and EBU00583 Rear carrier installation procedures.) When storing any documents in the storage Maximum load limit: 80 kg (176 lb) compartment, be sure to wrap them in a plas-...
  • Page 41: Front And Rear Shock Absorber Adjustment

    EBU15220 Front and rear shock absorber adjustment The spring preload can be adjusted to suit the rider’s weight and riding conditions. Adjust the spring preload as follows. To increase the spring preload, turn the ad- justing ring in direction a. To decrease the spring preload, turn the ad- justing ring in direction b.
  • Page 42 1. Spring preload adjusting ring 1. Special wrench 2. Position indicator NOTE: A special wrench can be obtained at a Yamaha dealer to make this adjustment. Standard position: 2 1- Minimum (soft) 5- Maximum (hard) 4-20...
  • Page 43: Auxiliary Dc Jack

    EBU10020 Auxiliary DC jack WARNING The auxiliary DC jack is located at the front POTENTIAL HAZARD right side of the ATV. The auxiliary DC jack Improper shock absorber adjustment. can be used for suitable work lights, radios, WHAT CAN HAPPEN etc.
  • Page 44 Maximum rated capacity for the auxiliary DC jack: DC 12 V, 120 W (10 A) 4. When the auxiliary DC jack is not being used, cover it with the cap. CAUTION: Do not use accessories requiring more than the above maximum capac- 1.
  • Page 45: 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, Front brake • Fill with DOT 4 brake fluid if necessary. 8-39–8-44 • Check operation, lever free play, fluid level and fluid leakage. 5-2–5-3, Rear brake •...
  • Page 46: Front And Rear Brakes

    Always follow the inspection and main- and there should be a firm feeling when the tenance procedures and schedules de- brakes are applied. If not, have a Yamaha scribed in the Owner’s Manual. dealer inspect the brake system. Brake fluid level Check the brake fluid level.
  • Page 47 If problem cannot be corrected by the ad- the brakes do not provide proper braking per- justment procedures provided in this formance, inspect the brake pads for wear. manual, have a Yamaha dealer check for (See pages 8-39–8-40.) the cause.
  • Page 48: 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 49 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 50: Engine Oil

    EBU10842 EBU00493 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 8-12– level. Add oil as necessary. (See pages 8-18– 8-17.) 8-20 for details.) CAUTION:...
  • Page 51: Differential Gear Oil

    EBU00678 Differential gear oil Make sure the differential gear oil is at the specified level. Add oil as necessary. (See pages 8-21–8-22 for details.) Recommended oil: SAE 80 API GL-4 Hypoid gear oil...
  • Page 52: Coolant

    EBU12530 Coolant WARNING Check the coolant level in the coolant reser- POTENTIAL HAZARD voir when the engine is cold. (The coolant lev- Removing the radiator cap when the en- el will vary with engine temperature.) The gine and radiator are still hot. coolant level is satisfactory if it is between the WHAT CAN HAPPEN minimum and maximum level marks on the...
  • Page 53: Throttle Lever

    EBU11620 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. EBU10030 Lights Check the headlights and tail/brake light to make sure they are in working condition.
  • Page 54: 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 55 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 56: 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 57: 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 5-13...
  • Page 58: 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 “ ”. 4. Shift the drive select lever into the neutral...
  • Page 59 25°C (80°F) and warm engine does not come on, ask a Yamaha dealer start position. to inspect the respective electric circuit. The engine can be started in any gear if the rear brake lever or brake pedal is ap- plied.
  • Page 60: 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 the engine for the first time. again. Pause a few seconds before the next attempt. Each cranking should be as short as possible to preserve battery en- EBU00180 ergy.
  • Page 61: Drive Select Lever Operation And Reverse Driving

    EBU15210 Drive select lever operation and reverse driving CAUTION: Before shifting, you must stop the ATV and return the throttle lever to the closed position, otherwise the transmission may be damaged. Shifting: Neutral to Forward 1. Bring the ATV to a complete stop and re- 1.
  • Page 62 If the light does not the drive select lever along the shift come on, ask a Yamaha dealer to inspect guide. the electrical circuit. Due to the synchronizing mechanism in the engine, the light may not come on un- til the ATV starts moving.
  • Page 63 5. Open the throttle lever gradually and con- tinue to watch to the rear while backing. WARNING POTENTIAL HAZARD Improperly operating in reverse. WHAT CAN HAPPEN You could hit an obstacle or person be- hind you, resulting in serious injury. HOW TO AVOID THE HAZARD When you shift into reverse, make sure there are no obstacles or people behind...
  • Page 64: Engine Break-In

    If any abnormality is noticed the following material. Because the engine is during this period, consult a Yamaha dealer. brand new, you must not put an excessive load on it for the first several hours of running.
  • Page 65: Parking

    EBU06120 10–20 hours: Parking Avoid prolonged operation above 3/4 throttle. When parking, stop the engine and shift the Rev the machine freely but do not use full drive select lever into the park position, then throttle at any time. turn the fuel cock to the “OFF” position. After break-in: Avoid prolonged full throttle operation.
  • Page 66: Parking On A Slope

    EBU06151 Parking on a slope 1. Bring the machine to a stop by applying the brakes. WARNING 2. Stop the engine. POTENTIAL HAZARD 3. With the brake pedal applied, shift the Parking on a hill or other incline. drive select lever to the park position “P”. WHAT CAN HAPPEN The ATV could roll out of control, in- creasing the chance of an accident.
  • Page 67: Accessories And Loading

    Choose only accessories designed for your dlebars which could make steering difficult, ATV. Your Yamaha dealer has a variety of an accessory that limits your ability to move genuine Yamaha accessories. Other ac-...
  • Page 68 EBU15240 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. You must use common with a bathroom scale. Put the tongue of sense and good judgment when carrying car- the loaded trailer on the scale with the go or towing a trailer.
  • Page 69 Ride more slowly than you would without a WARNING load. The more weight you carry, the slow- POTENTIAL HAZARD er you should go. Overloading this ATV or carrying or tow- Allow more braking distance. A heavier ve- ing cargo improperly. hicle takes longer to stop.
  • Page 70 EBU15250 WARNING Indicates a potential hazard that could result in serious injury or death. 6-13...
  • Page 71: Riding Your Atv

    Riding Your...
  • Page 72: Getting To Know Your Atv

    WARNING Indicates a potential hazard that could result in serious injury or death. Owner’s Manual completely and understand GETTING TO KNOW YOUR ATV the operation of the controls. Pay particular at- This ATV is for recreation and utility use. This tention to the safety information on pages section, Riding your ATV, provides general 2-1–2-6.
  • Page 73: 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 74 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 75 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 76 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 77 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 78 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 79 Speed limiter WARNING For riders less experienced with this model, Indicates a potential hazard that could this model is equipped with a speed limiter in result in serious injury or death. the throttle lever housing. The speed limiter keeps the throttle from fully opening, even Do not operate at speeds too fast for your when the throttle lever is pushed to the maxi- skills or the conditions.
  • Page 80 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 81 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 82 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 83 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 84 Exhaust system Do not touch the hot exhaust system. The exhaust system on the ATV is very hot Do not park the ATV in a place where during and following operation. To prevent others might be likely to touch it. burns, avoid touching the exhaust system.
  • Page 85: 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 86 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 87 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 88 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 89 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 90 Select a large, flat area off-road to become fa- With the engine idling, return the starter miliar with your ATV. Make sure that this area (choke) to the closed position, and shift the is free of obstacles and other riders. You drive select lever into the forward position.
  • Page 91: 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 92 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 93: 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. Practice neuver your ATV well on flat ground before at- on smaller hills before attempting large tempting any incline and then practice riding hills.
  • Page 94 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 95 If you are climbing a hill and you find that you WARNING have not properly judged your ability to make POTENTIAL HAZARD it to the top, you should turn the ATV around Improperly crossing hills or turning on while you still have forward motion (provided hills.
  • Page 96 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. 7-27...
  • Page 97 If your ATV has stalled or stopped and you and rear brakes gradually, or dismount the believe you can continue up the hill, restart ATV immediately on the uphill side. carefully to make sure you do not lift the front WARNING wheels which could cause you to lose control.
  • Page 98 If you begin rolling backwards: Keep weight uphill. 2WD: Never apply the rear brake while rolling backwards. Apply the front brake. When fully stopped, shift to the parking position “P”. 4WD: Apply both front and rear brakes gradually. When fully stopped, shift to the parking position “P”.
  • Page 99: Riding Downhill

    RIDING DOWNHILL When this ATV is in 4WD, all wheels (front When riding your ATV downhill, shift your and rear) are interconnected by the drive weight as far to the rear and uphill side of the train. This means that applying either the front ATV as possible.
  • Page 100 WARNING POTENTIAL HAZARD Going down a hill improperly. WHAT CAN HAPPEN Could cause loss of control or cause the ATV to overturn. Always follow proper procedures for go- ing down hills as described in this Own- er’s Manual. Note: a special technique is required when braking as you go down a hill.
  • Page 101: Crossing A Slope

    CROSSING A SLOPE WARNING Traversing a sloping surface on your ATV re- POTENTIAL HAZARD quires you to properly position your weight to Improperly crossing hills or turning on maintain proper balance. Be sure that you hills. have learned the basic riding skills on flat WHAT CAN HAPPEN ground before attempting to cross a sloping Could cause loss of control or cause the...
  • Page 102 7-33...
  • Page 103: 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 104 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, the V-belt cooling duct check hose, the drive select lever box check hose and...
  • Page 105 1. V-belt cooling duct check hose (left front side of ATV) 1. Storage compartment check hose 1. Drive select lever box check hose 1. V-belt case drain plug 7-36...
  • Page 106: 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 107: 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 108 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 109: 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. Applying the brakes or accelerat- riding techniques completely.
  • Page 110 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 111: 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 EBU14510 most efficient condition possible. Safety is an Owner’s manual and tool kit...
  • Page 112 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 113: 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 114 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 Engine oil • Replace. (Warm engine before draining.) Engine oil filter cartridge • Replace. Engine oil strainer* • Clean. Final gear oil •...
  • Page 115 • Correct if necessary. • 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: •...
  • Page 116: Panel Removal And Installation

    EBU00614 Panel removal and installation The panels illustrated need to be removed to perform some of the maintenance described in this chapter. Refer to this section each time a panel has to be removed or reinstalled. 1. Panel C 2. Panel D 3.
  • Page 117 EBU00700 Panel A, D To remove 1. Remove the seat. 2. Pull outward on the areas shown, and then pull upward.
  • Page 118 To install 1. Place the panel in its original position. 2. Install the seat.
  • Page 119 EBU01147 EBU15370 Panel B Panel C To remove To remove Remove the bolt, and then take the panel off. 1. Remove the top carrier bolts. To install Place the panel in the original position and in- stall the bolt. CAUTION: When installing the panel, be sure not to pinch the cables or wires.
  • Page 120 To install 1. Place the panel in the original position, and then install the quick fastener screws. 2. Place the carrier in the original position, and then install the carrier bolts under the fenders. 3. Install the top carrier bolts, and then tight- en all bolts to the specified torques.
  • Page 121 EBU01013 EBU00638 Panel E Panel F To remove To remove Remove the bolts, and then take the panel off. Pull outward on the areas shown. To install Place the panel in the original position, and then install the bolts. 1. Panel F 1.
  • Page 122: Engine Oil And Oil Filter Cartridge

    EBU10992 To install Engine oil and oil filter cartridge Place the panel in its original position. The engine oil level should be checked before each ride. In addition, the oil must be changed and the oil filter cartridge replaced at the inter- vals specified in the periodic maintenance and lubrication chart.
  • Page 123 5. Remove the engine oil filler cap and wipe 6. Insert the dipstick in the oil filler hole off the dipstick with a clean rag. (without screwing it in), and then remove it again to check the oil level. NOTE: The engine oil should be between the mini- mum and maximum level marks.
  • Page 124 8. Insert the dipstick into the oil filler hole, To change the engine oil (with or without oil filter cartridge replacement) and then tighten the oil filler cap. 9. Install the panel. 1. Remove panel F. (See pages 8-11–8-12 for panel removal and installation proce- dures.) 2.
  • Page 125 1. Oil filter wrench NOTE: An oil filter wrench is available at a nearby Yamaha dealer. 7. Apply a light coat of engine oil to the O-ring of the new oil filter cartridge. NOTE: Make sure the O-ring is seated properly.
  • Page 126 8. Install the new oil filter cartridge with an oil filter wrench, and then tighten it to the specified torque with a torque wrench. 1. O-ring 1. Torque wrench Tightening torque: Oil filter cartridge: 17 Nm (1.7 m·kgf, 12 ft·lbf) 9.
  • Page 127 10. Install the engine oil drain bolt, and then CAUTION: tighten it to the specified torque. In order to prevent clutch slippage (since the engine oil also lubricates Tightening torque: the clutch), do not mix any chemical Engine oil drain bolt: additives.
  • Page 128: Final Gear Oil

    EBU15380 Final gear oil CAUTION: Checking the final gear oil level Be sure no foreign material enters the final 1. Place the ATV on a level surface. gear case. 2. Remove the oil filler bolt, and then check the oil level in the final gear case. 4.
  • Page 129 Changing the final gear oil 1. Remove the engine guard and the final gear case guard by removing the bolts. 1. Final gear oil drain bolt 5. Install the drain bolt, and then tighten it to the specified torque. 1. Engine guard 2.
  • Page 130 6. Add the recommended final gear oil to 9. Install the engine guard and the final gear the brim of the filler hole. case guard by installing the bolts, and then tightening them to the specified Recommended oil: torques. SAE 80 API GL-4 Hypoid gear oil Oil quantity: Tightening torques: 0.23 L (0.20 Imp qt, 0.24 US qt)
  • Page 131: Differential Gear Oil Replacement

    EBU12411 Differential gear oil replacement 1. Place the ATV on a level surface. 2. Place a container under the differential gear case to collect the used oil. 3. Remove the oil filler bolt and oil drain bolt to drain the oil. 1.
  • Page 132 5. Fill the differential gear case with the CAUTION: specified amount of the recommended Be sure no foreign material enters the dif- oil. ferential gear case. NOTE: 6. Install the oil filler bolt, and then tighten it Do not exceed the specified differential to the specified torque.
  • Page 133: Cooling System

    EBU12560 Cooling system 3. If the coolant is at or below the minimum 1. Place the ATV on a level surface. level mark, remove panel D (See pages 2. Check the coolant level in the coolant 8-7–8-8 for panel removal and installa- reservoir when the engine is cold as the tion procedures.), remove the reservoir coolant level will vary with engine tem-...
  • Page 134: Changing The Coolant

    Removing the radiator cap when the en- gine and radiator are still hot. NOTE: WHAT CAN HAPPEN If water is added, have a Yamaha dealer You could be burned by hot fluid and check the antifreeze content of the cool- steam blown out under pressure.
  • Page 135 1. Place the ATV on a level surface. 2. Remove panels E and F. (See pages 8-11–8-12 for panel removal and installa- tion procedures.) 3. Place a container under the engine, and then remove the coolant drain bolt. (Use a trough or a similar object as shown to prevent coolant from spilling on the foot- rest.) 1.
  • Page 136 1. Radiator cap 1. Coolant reservoir hose 5. Remove the radiator cap. 9. After draining the coolant, thoroughly 6. Remove panel D. (See pages 8-7–8-8 for flush the cooling system with clean tap panel removal and installation proce- water. dures.) 10.
  • Page 137 15. Check for coolant leakage. aluminum engines. NOTE: Antifreeze and water mixing ratio: If any leakage is found, have a Yamaha deal- er check the cooling system. Total amount: 1.32 L (1.16 Imp qt, 1.40 US qt) 16. Install the panels and the front carrier.
  • Page 138: 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. Rear axle boot (× 2 each side) 1. Front axle boot (× 2 each side) 8-28...
  • Page 139: Spark Plug Inspection

    EBU00864 Spark plug inspection Removal 1. Remove panel A. (See pages 8-7–8-8 for panel removal and installation proce- dures.) 2. Remove the spark plug cap. 1. Spark plug wrench Inspection The spark plug is an important engine compo- nent and is easy to inspect. The condition of the spark plug can indicate the condition of the engine.
  • Page 140 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. If electrode erosion becomes ex- cessive, or if carbon and other deposits are excessive, you should replace the spark plug with the specified plug.
  • Page 141: Air Filter Element Cleaning

    EBU15140 NOTE: Air filter element cleaning If a torque wrench is not available when you NOTE: are installing a spark plug, a good estimate of There is a check hose at the bottom of the air the correct torque is 1/4 to 1/2 turn past finger filter case.
  • Page 142 4. Pull off the lock plate, and then remove the air filter element from its frame. 1. Fastener (× 4) 2. Air filter case cover 3. Remove the air filter element assembly. 1. Air filter element frame 2. Air filter element 3.
  • Page 143 8. Apply Yamaha foam air filter oil or other WARNING quality foam air filter oil to the air filter el- POTENTIAL HAZARD ement. Using low flash point solvents or gaso- NOTE: line to clean the air filter element. The air filter element should be wet but not WHAT CAN HAPPEN dripping.
  • Page 144: V-Belt Cooling Duct Check Hose

    EBU06411 NOTE: V-belt cooling duct check hose The air filter element should be cleaned every If dust or water collects in the V-belt cooling 20–40 hours. It should be cleaned and lubri- duct check hose, remove the hose and clean cated more often if the machine is operated in extremely dusty areas.
  • Page 145: V-Belt Case Drain Plug

    2. Remove the tailpipe by pulling it out of NOTE: the muffler. If water drains from the V-belt case after re- moving the plug, have a Yamaha dealer in- spect the ATV as the water may affect other engine parts. 1. Bolt (× 3) 2.
  • Page 146 WARNING POTENTIAL HAZARD Improper cleaning of the spark arrester. Hot exhaust system WHAT CAN HAPPEN Could injure the eyes. Could cause burns. Could cause carbon monoxide poison- ing, possibly leading to death. 1. Spark arrester Could start a fire. 4. Insert the tailpipe into the muffler and HOW TO AVOID THE HAZARD align the bolt holes.
  • Page 147: Carburetor Adjustment

    NOTE: requires very sophisticated adjustment. Most A diagnostic tachometer must be used for this adjusting should be left to a Yamaha dealer procedure. who has the professional knowledge and ex- 1. Start the engine and warm it up for a few perience to do so.
  • Page 148: Valve Clearance Adjustment

    To prevent this, the valve clear- ance must be adjusted regularly. This adjust- ment however, should be left to a professional Yamaha service technician. 1. Locknut 2. Adjusting bolt a. Throttle lever free play...
  • Page 149: Select Lever Safety System Cable Adjustment

    The select lever safety system cable stretch- If a brake pad thickness is less than 1.0 mm es with use, resulting in improper function. To (0.04 in), have a Yamaha dealer replace the prevent this, the cable must be adjusted regu- pads as a set.
  • Page 150: Rear Brake Pad Check

    Check the wear indicator grooves. If a brake pad has worn to the point that the wear indicator grooves have almost disappeared, ask a Yamaha dealer to replace the pads as a set. 1. Brake pad wear indicator groove...
  • Page 151: Inspecting The Brake Fluid Level

    EBU06221 Inspecting the brake fluid level FRONT 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 when necessary. A low brake fluid level may indicate worn brake pads and/or brake sys- tem leakage.
  • Page 152 Always clean up spilled the top of the master cylinder reservoirs are fluid immediately. level. Have a Yamaha dealer check the cause if Use only the designated quality brake fluid. the brake fluid level goes down. Otherwise, the rubber seals may deterio- rate, causing leakage and poor brake per- formance.
  • Page 153: Brake Fluid Replacement

    Yamaha service personnel. of zero mm (zero in) at the lever end. If not, Have a Yamaha dealer replace the following have a Yamaha dealer check the brake sys- components during periodic maintenance or tem. when they are damaged or leaking.
  • Page 154: Adjusting The Rear Brake Lever And Brake Pedal

    Replacement of brake components re- 2. Turn the adjusting bolt in direction a to quires professional knowledge. These increase free play, and in direction b to procedures should be performed by a decrease free play. Yamaha dealer. 3. Tighten the locknut. 8-44...
  • Page 155 The top of the brake pedal should be posi- tioned 72 mm (2.83 in) above the top of the NOTE: footrest. If not, ask a Yamaha dealer to adjust When adjusting the rear brake lever free play: Be sure not to step on the brake pedal.
  • Page 156 Make sure the brakes do not drag. 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. 8-46...
  • Page 157: Adjusting The Rear Brake Light Switch

    EBU12590 Adjusting the rear brake light switch The rear brake light switch, which is activated by the brake pedal and rear brake lever, is properly adjusted when the brake light comes on just before braking takes effect. If neces- sary, adjust the brake light switch as follows. 1.
  • Page 158: Cable Inspection And Lubrication

    Inspect cables frequently. Replace dam- aged cables. 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 8-48...
  • Page 159: Rear Knuckle Upper And Lower Pivot Lubrication

    EBU13110 Rear knuckle upper and lower pivot lubrication Lubricate the knuckle upper and lower pivots with a grease gun. 1. Upper knuckle 2. Lower knuckle Recommended lubricant: Lithium-soap-based grease 8-49...
  • Page 160: Wheel Removal

    EBU01112 EBU11211 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. The arrow mark on the tire must point 3. Remove the nuts from the wheel. toward the rotating direction of the wheel.
  • Page 161: Battery

    Therefore it is not necessary to check the electrolyte or add distilled water in the bat- tery. If the battery seems to have discharged, consult a Yamaha dealer. 1. Tapered nut 3. Tighten the wheel nuts to the specified torque.
  • Page 162 CAUTION: HOW TO AVOID THE HAZARD Do not try to remove the sealing caps of Avoid contact with skin, eyes or cloth- the battery cells. You may damage the bat- ing. Always shield eyes when working tery. near batteries. Keep out of reach of chil- dren.
  • Page 163: Battery Maintenance

    CAUTION: amperage. Turn on the main switch. If A special battery charger (constant volt- the fuse immediately blows again, con- age/ampere or constant voltage) is re- sult a Yamaha dealer. quired recharging sealed-type battery. Using a conventional battery charger may shorten the battery life.
  • Page 164 1. Main fuse 2. Fuse box 1. Headlight fuse 2. Ignition fuse 3. Auxiliary DC jack fuse 4. Four-wheel drive fuse 5. Signaling system fuse 6. Spare fuse (× 3) Specified fuses: Main fuse: 30.0 A Headlight fuse: 15.0 A Ignition fuse: 10.0 A Auxiliary DC jack fuse:...
  • Page 165: Replacing A Headlight Bulb

    EBU14560 Replacing a headlight bulb WARNING If a headlight bulb burns out, replace it as fol- POTENTIAL HAZARD lows. Using an improper fuse. 1. Remove the bulb holder cover at the rear WHAT CAN HAPPEN of the headlight by pulling it off. An improper fuse can cause damage to the electrical system which could lead to a fire.
  • Page 166 2. Remove the headlight bulb holder by turning it counterclockwise. 1. Headlight bulb holder tab (× 2) 1. Headlight bulb holder 3. Remove the defective bulb by unhooking the headlight bulb holder tabs. 8-56...
  • Page 167 WARNING POTENTIAL HAZARD A headlight bulb is hot when it is on and immediately after it is turned off. WHAT CAN HAPPEN You can be burned, or a fire could start if the bulb touches something flamma- ble. HOW TO AVOID THE HAZARD 1.
  • Page 168: Headlight Beam Adjustment

    Headlight beam adjustment ing it clockwise. CAUTION: 6. Install the headlight bulb holder cover at It is advisable to have a Yamaha dealer the rear of the headlight. make this adjustment. To raise the beam, turn the adjusting screw in direction a.
  • Page 169: Tail/Brake Light Bulb Replacement

    EBU09640 Tail/brake light bulb replacement 1. Remove the nuts together with the wash- ers. 1. Tail/brake light unit 2. Tail/brake light bulb holder 3. Remove the defective bulb from the bulb holder by pushing it inward and turning it counterclockwise. 1.
  • Page 170 1. Tail/brake light bulb holder 2. Bulb 4. Install a new bulb in the bulb holder by pushing it inward and turning it clockwise. 5. Install the bulb holder (together with the bulb) by turning it clockwise. 6. Install the washers, and then install the nuts.
  • Page 171: Troubleshooting

    EBU00412 Troubleshooting WARNING Although Yamaha machines receive a rigid in- POTENTIAL HAZARD spection before shipment from the factory, Checking the fuel system while smok- trouble may occur during operation. Any prob- ing or near an open flame. lem in the fuel, compression, or ignition sys-...
  • Page 172: Troubleshooting Charts

    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 173: Engine Overheating

    Restart the engine. If the engine overheats again, ask a Level is OK. Yamaha dealer to inspect and/or repair the cooling system. NOTE: If it is difficult to get the recommended coolant, tap water can be temporarily used, provided that it is changed to the recommended coolant as soon as possible.
  • Page 174: 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 175 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 176: 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 177 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 178: Specifications

    EBU00428 S PECIFICATIONS Model YFM400FA Dimensions: Overall length 1,993 mm (78.5 in) Overall width 1,093 mm (43.0 in) Overall height 1,120 mm (44.1 in) Seat height 830 mm (32.7 in) Wheelbase 1,233 mm (48.5 in) Minimum ground clearance 245 mm (9.65 in) Minimum turning radius 3,000 mm (118.1 in) Basic weight:...
  • Page 179 Model YFM400FA Engine oil: Type 0˚ 90˚ 110˚ 130˚F 10˚ 30˚ 50˚ 70˚ 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 en- gine oil also lubricates the clutch), do not mix any...
  • Page 180 Model YFM400FA Final gear case oil: Type SAE80 API GL-4 Hypoid gear oil Quantity: Periodic oil change 0.23 L (0.20 Imp qt, 0.24 US qt) Differential gear case oil: Type SAE80 API GL-4 Hypoid gear oil Quantity: Periodic oil change 0.35 L (0.31 Imp qt, 0.37 US qt) Radiator capacity (including all routes): 1.32 L (1.16 Imp qt, 1.40 US qt)
  • Page 181 Model YFM400FA Spark plug: Type/manufacturer DR8EA / NGK Spark plug gap 0.6–0.7 mm (0.024–0.028 in) Clutch type: Wet, centrifugal automatic Transmission: Primary reduction system V-belt Secondary reduction system Shaft drive 39/24 × 24/18 × 33/9 (7.944) Secondary reduction ratio Transmission type V-belt automatic Operation Left hand operation...
  • Page 182 Model YFM400FA Brake: Front brake type Dual disc brake operation Right hand operation Rear brake type Single disc brake operation Left hand and right foot operation Suspension: Front suspension Double wishbone Rear suspension Double wishbone Shock absorber: Front shock absorber Coil spring / oil damper Rear shock absorber Coil spring / oil damper...
  • Page 183 Model YFM400FA Bulb voltage, wattage × quantity: 12 V 30 W/30.0 W × 2 Headlight 12 V 5 W/21.0 W × 1 Tail/brake light 14 V 3.0 W × 1 Meter lighting 12 V 1.7 W × 1 Neutral indicator light 12 V 1.7 W ×...
  • Page 184: 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 185: 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 186: Atv Limited Warranty

    EBU00432 YAMAHA MOTOR CORPORATION, U.S.A. ATV LIMITED WARRANTY 13-1...
  • Page 187 13-2...
  • Page 188: Yamaha Extended Service (Y.e.s.)

    EBU00435 YAMAHA EXTENDED SERVICE (Y.E.S.) 14-1...
  • Page 189 EBU00436 WARNING Indicates a potential hazard that could result in serious injury or death. 14-2...
  • Page 190 EBU00437...
  • Page 191 LOCATE AND READ OWNER’S MANUAL. FOLLOW ALL INSTRUCTIONS AND WARNINGS. (For replacement manual, call 1-800-532-1558) YAMAHA MOTOR CO., LTD. PRINTED IN USA 2004.06-3.9×1 CR...

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