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  4. KODIAK 400 Ultramatic 4x4
  5. Owner's Manual

Yamaha KODIAK 400 Ultramatic 4x4 Owner's Manual

Summary of KODIAK 400 Ultramatic 4x4

  • Page 1

    5te-f8199-10 lit-11626-16-02 read this manual carefully! It contains important safety information. This atv should not be ridden by anyone under 16 years of age. Warning yfm400far owner’s manual printed in usa 2002.04-6.0 ×2 cr (e) printed on recycled paper yamaha motor co., ltd. Ebu00438 locate and...

  • Page 2

    Ebu00776.

  • Page 3: Introduction

    Ebu00941 1- introduction congratulations on your purchase of the yamaha yfm400fa. It represents the result of many years of 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 cra...

  • Page 4: Important Manual Information

    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 ...

  • Page 5: Important Notice

    Affix dealer label here ebu00011 important notice this machine is designed and manufactured for off-road use only. It is illegal and unsafe to operate this machine on any public street, road or highway. This machine complies with all applicable off-road noise level and spark arrester laws and regula...

  • Page 6: Warning

    Ebu00014 warning indicates a potential hazard that could result in serious injury or death. Contents location of the warning and specification labels................ 1-1 safety information.................. 2-1 description and machine identification ............................. 3-1 identification n...

  • Page 7

    Rear shock absorber adjustment................................... 4-20 auxiliary dc jack ........................... 4-21 pre-operation checks ........... 5-1 front and rear brakes ..................... 5-2 fuel ................................................. 5-4 engine oil ..........................

  • Page 8

    Periodic maintenance and adjustment.................................. 8-1 owner’s manual and tool kit............ 8-1 periodic maintenance/ lubrication ...................................... 8-3 panel removal and installation ........ 8-5 engine oil....................................... 8-12 final ...

  • Page 9

    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............

  • Page 10: Location of The Warning and

    1-1 ebu00464 location of the warning and specification labels u5te10.Book page 1 wednesday, april 10, 2002 10:32 am.

  • Page 11

    1-2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 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 yo...

  • Page 12: Maximum.Loading Limit

    1-3 3 4 o v e r l o a d i n g t h i s at v o r c a r r y i n g c a r g o i m p r o p e r l y c a n c h a n g e h a n d l i n g . S t a b i l i t y a n d b r a k i n g p e r f o r m a n c e a n d c a n l e a d t o a n a c c i d e n t . N e v e r e x c e e d t h e m a x i m u m r e a r c a r g o l i m...

  • Page 13

    1-4 7 8 u5te10.Book page 4 wednesday, april 10, 2002 10:32 am.

  • Page 14: Safety Information

    2-1 safety information ebu00924 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 f...

  • Page 15

    2-2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ● 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. ● never consume alcohol or drugs before or while op...

  • Page 16

    2-3 ● 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 or make sudden gear changes. Ne...

  • Page 17

    2-4 ● 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

    2-5 warning potential hazard improper handling of gasoline. What can happen gasoline can catch fire and you could be burned. How to avoid the hazard always turn off the engine when refuel- ing. Do not refuel right after the engine has been running and is still very hot. Do not spill gasoline on the ...

  • Page 19: Warning

    2-6 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. U5te10.Book page 6 wednes...

  • Page 20

    3-1 ebu00032 1- description and machine identification 1. Rear spring preload adjusting ring 2. Spark arrester 3. Storage compartment and tool kit 4. Spark plug 5. Front spring preload adjusting ring 6. Brake pedal 7. V-belt case 8. Radiator cap 9. Fuel cock 10. Air filter case 11. Fuses 12. Tail/br...

  • Page 21

    3-2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ebu00600 identification number records record the key identification number, vehicle identification number and model label infor- mation in the spaces provided for assistance when ordering spare parts from a yamaha dealer or for reference in case the vehicle is s...

  • Page 22

    3-3 ebu00036 vehicle identification number the vehicle identification number is stamped into the frame. 1. Vehicle identification number (front left side) note: the vehicle identification number is used to identify your machine. Ebu00787 model label the model label is affixed to the location in the ...

  • Page 23: Control Functions

    4-1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ebu00039 1- control functions warning indicates a potential hazard that could result in serious injury or death. Ebu00942 main switch functions of the respective switch positions are as follows: on: the engine can be started only at this position and the headligh...

  • Page 24: Caution:

    4-2 ebu00043 indicator lights 1. Coolant temperature warning light “ ” 2. Reverse indicator light “r” 3. Four-wheel drive indicator light “ ” 4. Neutral indicator light “n” ebu01223 coolant temperature warning light “ ” when the coolant temperature reaches a specified level, this light comes on to w...

  • Page 25

    4-3 ebu00602 reverse indicator light “r” this indicator light comes on when the trans- mission is in reverse. Ebu00603 neutral indicator light “n” this indicator light comes on when the trans- mission is in neutral. Ebu00605 four-wheel-drive indicator light “ ” this indicator light comes on when the...

  • Page 26

    4-4 ebu00447 speedometer the speedometer shows riding speed. This speedometer is equipped with a trip odome- ter. The trip odometer can be reset to “0” with the reset knob. Use the trip odometer to esti- mate how far you can ride on a tank of fuel be- fore going to reserve. This information will ena...

  • Page 27: Caution:

    4-5 ebu00053 handlebar switches 1. Light switch “ / /off” 2. Engine stop switch “ ”/“ ” 3. Start switch “ ” ebu01204 light switch “ / /off” set the switch to “ ” to turn on the low beam and the taillight. Set the switch to “ ” to turn on the high beam and the taillight. Set the switch to “off” to tu...

  • Page 28: Caution:

    4-6 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” ebu00060 on command four-wheel drive switch “2wd/4wd” to change from two-whe...

  • Page 29: Warning

    4-7 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. Thi...

  • Page 30: Warning

    4-8 ebu00062 throttle lever once the engine is running, movement of the throttle lever will increase the engine speed. Regulate the speed of the machine by varying the throttle position. Because the throttle is spring-loaded, the machine will decelerate, and the engine will return to an idle any tim...

  • Page 31: Warning

    4-9 ebu01159 speed limiter the speed limiter keeps the throttle from fully opening, even when the throttle lever is pushed to the maximum. Turning in the ad- justing screw limits the maximum engine pow- er available and decreases the maximum speed of the atv. 1. Locknut 2. Adjusting screw warning po...

  • Page 32

    4-10 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. 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...

  • Page 33: Warning

    4-11 ebu00074 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 and push down the lock plate to apply the parking brake. Squeeze the rear brake lever to re- lease the parking brake. 1. Lock plate warning poten...

  • Page 34

    4-12 ebu01106 drive select lever the drive select lever is used to shift your ma- chine into the forward, neutral and reverse po- sitions. (refer to page 6-4 for the drive select lever operation.) 1. Drive select lever ebu01107 recoil starter firmly grasp the handle and pull slightly until engagemen...

  • Page 35: Warning

    4-13 ebu00092 fuel tank cap remove the fuel tank cap by turning it coun- terclockwise. 1. Fuel tank cap warning potential hazard starting the engine without shifting into the neutral position. What can happen the atv could start to move unexpect- edly, which could cause an accident. How to avoid the...

  • Page 36

    4-14 ebu00093 fuel cock 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. On: with the lever in this position, fuel flows...

  • Page 37

    4-15 1. Arrow mark pointing to “res” ebu00095 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...

  • Page 38

    4-16 ebu00566 seat to remove the seat, pull the seat lock lever upward and pull up the seat at the rear. 1. Seat 2. Seat lock lever to install the seat, insert the projection on the front of the seat into the seat holder and push down on the seat at the rear. Note: make sure that the seat is securel...

  • Page 39: Caution:

    4-17 ebu00581 storage box 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. 1. Storage box ebu00582 front carrier ebu00583 rear carrier maximum load limit:...

  • Page 40

    4-18 ebu01104 front 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...

  • Page 41: Warning

    4-19 warning potential hazard improper shock absorber adjustment. What can happen uneven adjustment can cause poor handling and loss of stability, which could lead to an accident. How to avoid the hazard always adjust the shock absorbers on the left and right side to the same set- ting. U5te10.Book ...

  • Page 42

    4-20 ebu01103 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 ...

  • Page 43: Caution:

    4-21 ebu00748 auxiliary dc jack the auxiliary dc jack is located at the front right side of the atv. The auxiliary dc jack can be used for suitable work lights, radios, etc. The auxiliary dc jack can only be used when the main switch is in the “on” position. 1. Turn the headlight switch to the “off”...

  • Page 44: Warning

    4-22 1. Auxiliary dc jack ebu00112 warning indicates a potential hazard that could result in serious injury or death. U5te10.Book page 22 wednesday, april 10, 2002 10:32 am.

  • Page 45: Pre-Operation Checks

    5-1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1- pre-operation checks before using this machine, check the following points: item routine page brakes • check operation, free play, fluid level and fluid leakage. • fill with dot 4 brake fluid if necessary. 5-2–5-3, 8-37–8-44 fuel • check fuel level. • fill wit...

  • Page 46: Warning

    5-2 ebu01101 front and rear brakes brake levers and brake pedal ● check that there is no free play in the front brake lever. If there is free play, have a yamaha dealer adjust it. ● check for correct free play in the rear brake lever. If the free play is incorrect, adjust it. ● check for correct bra...

  • Page 47: Warning

    5-3 brake fluid leakage check to see if any brake fluid is leaking out of the pipe joints or brake fluid reservoirs. Apply the brakes firmly for one minute. If there is any leakage, the brake system should be inspect- ed by a yamaha dealer. Brake operation test the brakes at slow speed after startin...

  • Page 48: Caution:

    5-4 ebu01085 fuel make sure there is sufficient gasoline in the tank. Caution: _ use only unleaded gasoline. The use of leaded gasoline will cause severe damage to internal engine parts, such as the valves and piston rings, as well as to the exhaust system. _ your yamaha engine has been designed to ...

  • Page 49: Warning

    5-5 gasohol there are two types of gasohol; gasohol con- taining ethanol and that containing methanol. Gasohol containing ethanol can be used if ethanol content does not exceed 10%. Gaso- hol containing methanol is not recommended by yamaha because it may cause fuel system damage or vehicle performa...

  • Page 50: Caution:

    5-6 ebu01084 engine oil make sure the engine oil is at the specified level. Add oil as necessary. (see page 8-12.) caution: _ ● in order to prevent clutch slippage (since the engine oil also lubricates the clutch), do not mix any chemical additives. Do not use oils with a diesel specification of “cd...

  • Page 51

    5-7 ebu00493 final gear oil make sure the final gear oil is at the specified level. Add oil as necessary. (see pages 8-16– 8-18 for details.) if desired, an sae 80w90 hypoid gear oil may be used for all conditions. Note: gl-4 is a quality and additive rating, gl-5 or gl-6 rated hypoid gear oils may ...

  • Page 52: Caution:

    5-8 caution: _ hard water or salt water is harmful to the engine. You may use distilled water if you cannot get soft water. _ coolant reservoir capacity: 0.25 l (0.22 imp qt, 0.26 us qt) warning potential hazard removing the radiator cap when the en- gine and radiator are still hot. What can happen ...

  • Page 53

    5-9 ebu01083 throttle lever check to see that the throttle lever operates correctly. It must open smoothly and spring back to the idle position when released. Have a yamaha dealer repair as necessary for proper operation. Ebu00152 fittings and fasteners always check the tightness of chassis fittings...

  • Page 54: Warning

    5-10 ebu00157 tires warning potential hazard operating this atv with improper tires, or with improper or uneven tire pres- sure. What can happen use of improper tires on this atv, or op- eration of this atv with improper or un- even tire pressure, may cause loss of control, increasing your risk of a...

  • Page 55

    5-11 4. Use no more than the following pressures when seating the tire beads. Front 250 kpa (2.5 kgf/cm 2 , 36 psi) rear 250 kpa (2.5 kgf/cm 2 , 36 psi) higher pressures may cause the tire to burst. Inflate the tires very slowly and carefully. Fast inflation could cause the tire to burst. U5te10.Boo...

  • Page 56

    5-12 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. Set press...

  • Page 57

    5-13 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) u5te10.Book page 13 wednesday, april 10, 2002 10:32 am.

  • Page 58: Operation

    6-1 ebu00161 1- operation warning indicates a potential hazard that could result in serious injury or death. Ebu01109 starting a cold engine 1. Apply the rear brake lever. 2. Turn the fuel cock to “on”. 3. Turn the main switch to “on” and the en- gine stop switch to “ ”. 4. Shift the drive select le...

  • Page 59

    6-2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 note: _ when the drive select lever is in the neutral position, if the indicator light does not come on, ask a yamaha dealer to inspect its electric circuit. _ 5. Use the starter (choke) in reference to the figure: position 1: cold engine start- ambient temperatu...

  • Page 60: Caution:

    6-3 note: _ ● if the engine fails to start, release the start switch, then push the start switch again. Pause a few seconds before the next attempt. Each cranking should be as short as possible to preserve battery en- ergy. Do not crank the engine more than 10 seconds on each attempt. ● if the batte...

  • Page 61: Caution:

    6-4 ebu01225 drive select lever operation and reverse driving caution: _ before shifting, you must stop the ma- chine and return the throttle lever to its closed position. Otherwise, the transmis- sion may be damaged. _ shifting: forward 1. Bring the machine to a complete stop and return the throttl...

  • Page 62

    6-5 shifting: reverse 1. Bring the machine to a complete stop and return the throttle lever to the closed position. 2. Apply the parking brake. 3. Shift the gear from neutral to reverse and vice versa by moving the drive select le- ver along the shift guide. Note: _ when in reverse, the reverse indi...

  • Page 63: Warning

    6-6 warning potential hazard improper operation 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 you. When it is safe to proceed, go slow- ...

  • Page 64

    6-7 ebu00210 engine break-in there is never a more important period in the life of your machine than the period between zero and 20 hours. For this reason, we ask that you carefully read the following material. Because the engine is brand new, you must not put an excessive load on it for the first s...

  • Page 65

    6-8 2. 10–20 hours: avoid prolonged operation above 3/4 throttle. Rev the machine freely but do not use full throttle at any time. 3. After break-in: avoid prolonged full throttle operation. Vary speeds occasionally. Ebu00211 parking when parking, stop the engine and shift into neutral. Turn the fue...

  • Page 66: Warning

    6-9 ebu00215 parking on a slope 1. Bring the machine to a stop by applying the brakes. 2. Stop the engine. 3. With the rear brake applied, apply the parking brake. Warning potential hazard parking on a hill or other incline. What can happen the atv could roll out of control, in- creasing the chance ...

  • Page 67

    6-10 ebu00221 accessories and loading ebu00222 accessories accessories can affect the handling and con- trol of your atv. Keep the following in mind when considering an accessory or operating an atv which has accessories. ● choose only accessories designed for your atv. Your yamaha dealer has a vari...

  • Page 68

    6-11 ebu00960 loading cargo or a trailer can change the stability and handling of an atv. You must use common sense and good judgment when carrying car- go or towing a trailer. Keep the following points in mind: ● never exceed the weight limits shown. An overloaded atv can be unstable. ● do not exce...

  • Page 69: Warning

    6-12 ● ride more slowly than you would without a load. The more weight you carry, the slow- er you should go. Although conditions vary, it is good practice not to exceed low range whenever you are carrying heavier loads or when towing a trailer. ● allow more braking distance. A heavier ve- hicle tak...

  • Page 70: Warning

    6-13 ebu01226* warning _ indicates a potential hazard that could result in serious injury or death. U5te10.Book page 13 wednesday, april 10, 2002 10:32 am.

  • Page 71: Riding

    7-1 7 riding your atv u5te10.Book page 1 wednesday, april 10, 2002 10:32 am.

  • Page 72

    7-2 u5te10.Book page 2 wednesday, april 10, 2002 10:32 am.

  • Page 73: Warning

    7-3 warning _ indicates a potential hazard that could result in serious injury or death. Getting to know your atv this atv is for recreation and utility use. This section, riding your atv, provides general atv riding instructions for recreational riding. The skills and techniques described in this s...

  • Page 74: Warning

    7-4 ride with care and good judgement get training if you are inexperienced. Beginners should get training from a certified instructor. Become familiar with this atv at slow speeds first, even if you are an experienced operator. Do not attempt to operate at maximum perfor- mance until you are totall...

  • Page 75: Warning

    7-5 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. How to avoid the hazard a chi...

  • Page 76: Warning

    7-6 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. How to...

  • Page 77: Warning

    7-7 apparel warning potential hazard operating this atv without wearing an approved motorcycle helmet, eye pro- tection and protective clothing. What can happen operating without an approved motor- cycle helmet in- creases your chances of a severe head injury or death in the event of an ac- cident. ...

  • Page 78: Warning

    7-8 do not operate after consuming alcohol or drugs. Operator’s performance capability is reduced by the influence of alcohol or drugs. Warning potential hazard operating this atv after consuming al- cohol or drugs. What can happen could seriously affect your judgment. Could cause you to react more ...

  • Page 79: Warning

    7-9 pre-operation checks always perform the pre-operation checks list- ed on page 5-1 before riding for safety and proper care of the atv. 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 acc...

  • Page 80: Warning

    7-10 warning _ indicates a potential hazard that could result in serious injury or death. Do not operate at speeds too fast for your skills or the conditions. Speed limiter for riders less experienced with this model, this model is equipped with a speed limiter in the throttle lever housing. The spe...

  • Page 81: Warning

    7-11 loading and accessories use extra caution when riding the atv with additional loads, such as accessories or car- go. The atv’s handling may be adversely af- fected. Reduce your speed when adding additional loads. Maximum loading limit ● vehicle loading limit: 210 kg (463 lb) * total weight of c...

  • Page 82: Warning

    7-12 during operation always keep your feet on the footboards dur- ing operation. Otherwise your feet may con- tact the rear wheels. Warning potential hazard removing hands from handlebars or feet from footboards during operation. What can happen removing even one hand or foot can re- duce your abil...

  • Page 83: Warning

    7-13 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 84: Warning

    7-14 modifications warning potential hazard operating this atv with improper modi- fications. What can happen improper installation of accessories or modification of this vehicle may cause changes in handling which in some situ- ations could lead to an accident. How to avoid the hazard never modify ...

  • Page 85: Warning

    7-15 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. What can happen dry grass ...

  • Page 86: Warning

    7-16 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 cont...

  • Page 87: Warning

    7-17 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 operat...

  • Page 88: Warning

    7-18 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. What can h...

  • Page 89: Warning

    7-19 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 r...

  • Page 90: Warning

    7-20 when riding in an area where you might not easily be seen, such as desert terrain, mount a caution flag on the atv. Do not use the flag pole bracket as a trailer hitch. Do not ride in areas posted “no trespassing”. Do not ride on private property without getting permission. Warning potential ha...

  • Page 91

    7-21 select a large, flat area off-road to become fa- miliar with your atv. Make sure that this area is free of obstacles and other riders. You should practice control of the throttle, brakes, and turning techniques in this area before try- ing more difficult terrain. Always avoid riding on paved su...

  • Page 92: Warning

    7-22 turning your atv to achieve maximum traction while riding off- road, the two rear wheels are mounted solidly on one axle and turn together at the same speed. Therefore, unless the wheel on the in- side of the turn is allowed to slip or lose some traction, the atv will resist turning. A special ...

  • Page 93

    7-23 this procedure should be practiced at slow speed many times in a large off-road area with no obstacles. If an incorrect technique is used, your atv may continue to go straight. If the atv doesn’t turn, come to a stop and then practice the procedure again. If the riding sur- face is slippery or ...

  • Page 94: Warning

    7-24 climbing uphill use proper riding techniques to avoid vehicle overturns on hills. Be sure that you can ma- neuver your atv well on flat ground before at- tempting any incline and then practice riding first on gentle slopes. Try more difficult climbs only after you have developed your skill. In ...

  • Page 95: Warning

    7-25 warning potential hazard 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. Always check the terrain carefully be- fore you start u...

  • Page 96: Warning

    7-26 if you are climbing a hill and you find that you have not properly judged your ability to make it to the top, you should turn the atv around while you still have forward motion (provided you have the room to do so) and go down the hill. Warning potential hazard improperly crossing hills or turn...

  • Page 97

    7-27 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. U5te10.Book page 27 wednesday, april 10, 2002 10:32 am.

  • Page 98: Warning

    7-28 if your atv has stalled or stopped and you believe you can continue up the hill, restart carefully to make sure you do not lift the front wheels which could cause you to lose control. If you are unable to continue up the hill, dis- mount the atv on the uphill side. Physically turn the atv aroun...

  • Page 99

    7-29 if you begin rolling backwards: keep weight uphill. 2wd: never apply the rear brake while rolling backwards. Apply the front brake. 4wd: apply both front and rear brakes gradually. When fully stopped, apply the parking brake. Dismount on uphill side or to a side if pointed straight uphill. Turn...

  • Page 100

    7-30 riding downhill when riding your atv downhill, shift your weight as far to the rear and uphill side of the atv as possible. Move back on the seat and sit with your arms straight. Engine compres- sion will do most of the braking for you. For maximum engine compression braking effect, change to 4...

  • Page 101: Warning

    7-31 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 102: Warning

    7-32 crossing a slope traversing a sloping surface on your atv re- quires you to properly position your weight to maintain proper balance. Be sure that you have learned the basic riding skills on flat ground before attempting to cross a sloping surface. Avoid slopes with slippery surfaces or rough t...

  • Page 103

    7-33 u5te10.Book page 33 wednesday, april 10, 2002 10:32 am.

  • Page 104: Warning

    7-34 crossing through shallow water the atv can be used to cross slow moving, shallow water of up to a maximum of 35 cm (14 inches) in depth. Before entering the wa- ter, choose your path carefully. Enter where there is no sharp drop off, and avoid rocks or other obstacles which may be slippery or u...

  • Page 105: Caution:

    7-35 test your brakes after leaving the water. Do not continue to ride your atv without verifying that you have regained proper braking ability. Caution: _ after riding your atv in water, be sure to drain the trapped water by removing the check hose at the bottom of the air filter case and the check...

  • Page 106

    7-36 1. V-belt cooling duct check hose (left front side of atv) 1. Drive select lever box check hose u5te10.Book page 36 wednesday, april 10, 2002 10:32 am.

  • Page 107: Warning

    7-37 riding over rough terrain riding over rough terrain should be done with caution. Look out for obstacles which could cause damage to the atv or could lead to an upset or accident. Be sure to keep your feet firmly mounted on the footboards at all times. Avoid jumping the atv as loss of control an...

  • Page 108

    7-38 sliding and skidding care should be used when riding on loose or slippery surfaces since the atv may slide. If unexpected and uncorrected, sliding could lead to an accident. To reduce the tendency for the front wheels to slide in loose or slippery conditions, position- ing your weight over the ...

  • Page 109: Warning

    7-39 with practice, over a period of time, skill at controlled sliding can be developed. The ter- rain should be chosen carefully before at- tempting such maneuvers, since both stability and control are reduced. Bear in mind that sliding maneuvers should always be avoided on extremely slippery surfa...

  • Page 110

    7-40 what to do if ... This section is designed to be a reference guide only. Be sure to read each section on riding techniques completely. What to do ... ● if your atv doesn’t turn when you want it to: bring the atv to a stop and practice the turning maneuvers again. Be sure you are putting your we...

  • Page 111: Warning

    7-41 ● 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. If you dis- cover that the atv is ...

  • Page 112: Periodic Maintenance and

    8-1 ebu00515 1- periodic maintenance and adjustment periodic inspection, adjustment and lubrica- tion will keep your machine in the safest and most efficient condition possible. Safety is an obligation of the machine owner. The most important points of machine inspection, ad- justment and lubricatio...

  • Page 113: Warning

    8-2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 the service information included in this man- ual is intended to provide you, the owner, with the necessary information for completing your own preventive maintenance and minor re- pairs. The tools provided in the owner’s tool kit are sufficient for this purpose,...

  • Page 114

    8-3 ebu00261 periodic maintenance/lubrication item routine initial every 1 month 3 months 6 months 6 months 1 year valves* • check valve clearance. • adjust if necessary. Cooling system • check coolant leakage. • repair if necessary. • replace coolant every 24 months. Spark plug • check condition. •...

  • Page 115: Warning

    8-4 * it is recommended that these items be serviced by a yamaha dealer. V-belt* • check operation. • check for cracks or damage. Wheels* • check balance/damage/runout. • repair if necessary. Wheel bearing* • check bearing assemblies for looseness/damage. • replace if damaged. Front and rear suspens...

  • Page 116

    8-5 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 a 2. Panel b 1. Panel c 2. Panel d 3. Panel e 4. Panel f u5te10.Book ...

  • Page 117

    8-6 ebu00700 panel a, d to remove 1. Remove the seat. 2. Pull outward on the areas shown, and then pull upward. U5te10.Book page 6 wednesday, april 10, 2002 10:32 am.

  • Page 118

    8-7 to install 1. Place the panel in its original position. 2. Install the seat. U5te10.Book page 7 wednesday, april 10, 2002 10:32 am.

  • Page 119: Caution:

    8-8 ebu01147 panel b to remove remove the bolt, and then take the panel off. 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. _ 1. Panel b 2. Bolt u5te10.Book page 8 wednesday, april 10, 2002 1...

  • Page 120

    8-9 ebu00617 panel c to remove 1. Remove the front carrier bolts and the front carrier. 2. Remove the quick fasteners and pull up- ward. 1. Bolt ( × 4) 1. Bolt ( × 2) (under fenders) 1. Quick fastener ( × 2) u5te10.Book page 9 wednesday, april 10, 2002 10:32 am.

  • Page 121

    8-10 to install 1. Place the panel in the original position and install the quick fasteners. 2. Install the front carrier and the bolts, then tighten to the specified torque. Ebu01013 panel e to remove remove the bolts, and then take the panel off. To install place the panel in the original position...

  • Page 122

    8-11 ebu00638 panel f to remove pull outward on the areas shown. 1. Panel f to install place the panel in its original position. U5te10.Book page 11 wednesday, april 10, 2002 10:32 am.

  • Page 123

    8-12 ebu01099 engine oil engine oil level measurement 1. Remove panel f. (see page 8-11 for panel removal and installation proce- dures.) 2. Place the atv on a level surface and warm up the engine for several minutes. 3. Stop the engine. 4. Remove the engine oil filler cap and wipe off the dipstick ...

  • Page 124

    8-13 engine oil and oil filter cartridge replace- ment 1. Remove panels e and f. (see pages 8-10 and 8-11 for panel removal and in- stallation procedures.) 2. Warm up the engine for several minutes. 3. Stop the engine. Place an oil pan under the engine to collect the used oil, and then remove the en...

  • Page 125

    8-14 1. Oil filter wrench note: _ an oil filter wrench is available at a nearby yamaha dealer. _ 6. Install the drain bolt and tighten it to the specified torque. 1. Torque wrench 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 seat...

  • Page 126: Caution:

    8-15 9. Fill the engine with sufficient oil to reach the specified level. Install the engine oil filler cap and tighten it. Caution: _ ● in order to prevent clutch slippage (since the engine oil also lubricates the clutch), do not mix any chemical additives. Do not use oils with a diesel specificati...

  • Page 127: Caution:

    8-16 ebu01145 final gear oil final gear oil measurement 1. Place the machine on a level surface. 2. Remove the oil filler bolt, and then check the oil level in the final gear case. Note: _ the oil level should be at the brim of the filler hole. _ 1. Final gear oil 2. Final gear case oil filler bolt ...

  • Page 128

    8-17 final gear oil replacement 1. Remove the final gear case cover by re- moving the bolts. 1. Final gear case cover 2. Bolt ( × 2) 2. Place the machine on a level surface. 3. Place a container under the final gear case to collect the used oil. 4. Remove the oil filler bolt and the drain bolt to dr...

  • Page 129: Caution:

    8-18 caution: _ be sure no foreign material enters the final gear case. _ 7. Install the oil filler bolt. 8. Check for oil leakage. If oil leakage is found, check for the cause. 9. Install the final gear case cover bolts, and then tighten them to the specified torque. Recommended oil: see page 5-7. ...

  • Page 130

    8-19 ebu01241 differential gear oil replacement 1. Place the machine on a level surface. 2. Place a container under the differential gear case to catch the oil. 3. Remove the oil filler bolt and oil drain bolt to drain the oil. 1. Differential case oil filler bolt 1. Differential gear oil drain bolt...

  • Page 131: Caution:

    8-20 5. Fill the differential gear case with the specified amount of the recommended oil. Note: _ ● do not exceed the specified differential gear oil quantity when filling. Overfilling will cause the oil to seep out of the breather hose during and after riding. ● the differential gear oil level cann...

  • Page 132

    8-21 ebu01068 cooling system 1. Check the coolant level in the coolant reservoir when the engine is cold as the coolant level will vary with engine tem- perature. The coolant level should be be- tween the maximum and minimum marks. 1. Coolant reservoir cap 2. Maximum level mark 3. Minimum level mark...

  • Page 133: Caution:

    8-22 caution: _ hard water or salt water is harmful to the engine. You may use soft water if you can’t get distilled water. _ note: _ ● if water is added, have a yamaha dealer check the antifreeze content of the cool- ant as soon as possible. ● the radiator fan operation is completely automatic. It ...

  • Page 134

    8-23 1. Place the atv on a level surface. 2. Remove panels e and f. (see pages 8-10 and 8-11 for panel removal and in- stallation 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...

  • Page 135

    8-24 1. Radiator cap 5. Remove the radiator cap. 6. Remove the coolant reservoir cap. 7. Disconnect the hose on the coolant res- ervoir side, and then drain the coolant from the coolant reservoir. 1. Coolant reservoir drain hose 8. After draining the coolant, thoroughly flush the cooling system with...

  • Page 136: Caution:

    8-25 10. Install the coolant reservoir hose. 11. Pour the recommended coolant into the radiator until it is full. Caution: _ hard water or salt water is harmful to the engine. You may use soft water if you can not get distilled water. _ 12. Install the radiator cap. 13. Start the engine and let it i...

  • Page 137

    8-26 ebu00862 axle boots check the protective boots for holes or tears. If any damage is found, have them replaced by a yamaha dealer. 1. Axle boot ( × 2 each side) ebu00864 spark plug inspection removal 1. Remove panel a. (see pages 8-6–8-7 for panel removal and installation proce- dures.) 2. Remov...

  • Page 138

    8-27 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. The ideal color on the white insulator around the center electrode is a medium-to-light tan color for a atv that is...

  • Page 139

    8-28 a. Spark plug gap 2. Clean the gasket surface. Wipe off any grime from the threads. 3. Install the spark plug and tighten it to the specified torque. Note: _ if a torque wrench is not available when you are installing a spark plug, a good estimate of the correct torque is 1/4 to 1/2 turn past f...

  • Page 140

    8-29 ebu01133 air filter element 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 check hose 1. Remove the seat. (see page 4-16 for seat remov...

  • Page 141: Caution:

    8-30 1. Air filter element frame 4. Wash the element gently but thoroughly in solvent. 5. Squeeze the excess solvent out of the air filter element and let it dry. Caution: _ do not twist the air filter element when squeezing it. _ 6. Inspect the air filter element and replace it if damaged. Warning ...

  • Page 142: Caution:

    8-31 7. Apply yamaha foam air filter oil or other quality foam air filter oil to the air filter el- ement. If foam air filter oil is not available, engine oil may be used. Note: _ the air filter element should be wet but not dripping. _ 8. Pull the air filter element over its frame. 9. Install the a...

  • Page 143

    8-32 ebu00641 v-belt cooling duct check hose if dust or water collects in this hose, remove the hose and clean it. 1. V-belt cooling duct check hose (left front side of atv) u5te10.Book page 32 wednesday, april 10, 2002 10:32 am.

  • Page 144

    8-33 ebu01066 spark arrester cleaning be sure the exhaust pipe and muffler are cool before cleaning the spark arrester. 1. Remove the bolts. 2. Remove the tailpipe by pulling it out of the muffler. 1. Bolt ( × 3) 2. Tailpipe 3. Tap the tailpipe lightly, and then use a wire brush to remove any carbon...

  • Page 145: Caution:

    8-34 ebu00296 carburetor adjustment the carburetor is a vital part of the engine and requires very sophisticated adjustment. Most adjusting should be left to a yamaha dealer who has the professional knowledge and ex- perience to do so. However, the idling speed may be performed by the owner as a par...

  • Page 146

    8-35 ebu00657 idle speed adjustment note: a diagnostic tachometer must be used for this procedure. 1. Start the engine and warm it up for a few minutes at approximately 1,000 to 2,000 r/min. Occasionally rev the engine to 4,000 to 5,000 r/min. The engine is warm when it quickly responds to the throt...

  • Page 147

    8-36 ebu00307 throttle lever adjustment note: adjust the engine idling speed before adjust- ing the throttle lever free play. 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). 3. Tighten the locknut. 1. Locknut 2. Adjusting bolt a. Free ...

  • Page 148

    8-37 ebu00312 front brake pad inspection inspect the brake pads for damage and wear. If the thickness is less than the specified val- ue, have a yamaha dealer replace the pads. A. Wear limit: 1 mm (0.04 in) note: the wheels need to be removed to inspect the brake pads. See page 8-46 for removal proc...

  • Page 149

    8-38 ebu00755 brake fluid level inspection 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. 1. Minimum level mark observe these precautions:...

  • Page 150

    8-39 5. Brake fluid may deteriorate painted sur- faces or plastic parts. Always clean up spilled fluid immediately. 6. Have a yamaha dealer check the cause if the brake fluid level goes down. Ebu01118 brake fluid replacement 1. Complete fluid replacement should be done only by trained yamaha service...

  • Page 151: Warning

    8-40 warning potential hazard operating with improperly serviced or adjusted brakes. What can happen you could lose braking ability, which could lead to an accident. How to avoid the hazard after servicing: ● make sure the brakes operate smoothly and that the free play is correct. ● make sure the br...

  • Page 152

    8-41 ebu01239 rear brake pedal and lever adjustment brake pedal free play adjustment 1. Fully loosen the adjusting nut on the brake lever cable at the rear wheel. 1. Adjusting nut (brake pedal cable) 2. Adjusting nut (brake lever cable) 2. Turn the adjusting nut on the brake pedal cable until the fr...

  • Page 153

    8-42 brake lever free play adjustment 1. Loosen the locknut and fully turn in the adjusting bolt at the brake lever. 1. Locknut 2. Adjusting bolt 2. Turn in the adjusting nut on brake cable to provide a gap of 0–1 mm (0–0.04 in) between the brake camshaft lever and the pin. 1. Adjusting nut (brake l...

  • Page 154: Warning

    8-43 3. Turn the adjusting bolt at the brake lever until the free play at the brake lever pivot is 5–7 mm (0.20–0.28 in). 1. Locknut 2. Adjusting bolt a. Free play 4. Tighten the locknut. Warning potential hazard operating with improperly serviced or adjusted brakes. What can happen you could lose b...

  • Page 155

    8-44 ebu01120 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. Remove panel ...

  • Page 156: Warning

    8-45 ebu00356 cable inspection and lubrication lubricate the inner cables and the cable ends. If the cables do not operate smoothly, ask a yamaha dealer to replace them. Ebu00717 brake lever and brake pedal lubrication lubricate the pivoting parts. Warning potential hazard damaged control cables. Wh...

  • Page 157

    8-46 ebu01112 wheel removal 1. Loosen the wheel nuts. 2. Elevate the atv and place a suitable stand under the frame. 3. Remove the nuts from the wheel. 4. Remove the wheel. 1. Tapered nut ( × 4) u5te10.Book page 46 wednesday, april 10, 2002 10:32 am.

  • Page 158

    8-47 ebu01121 wheel installation 1. Install the wheel and the nuts. Note: _ ● tapered nuts are used for both the front and rear wheels. Install the nut with its ta- pered side towards the wheel. ● the arrow mark on the tire must point toward the rotating direction of the wheel. _ 1. Arrow mark 2. Lo...

  • Page 159: Caution:

    8-48 ebu00380 battery this machine is equipped with a sealed-type 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. Caution: do not try to remove the sealing caps of the battery c...

  • Page 160: Caution:

    8-49 ebu00385 battery maintenance 1. When the machine is not used for a month or longer, remove the battery and store it in a cool, dark place. Completely recharge the battery before reinstallation. Caution: a special battery charger (constant volt- age/ampere or constant voltage) is re- quired for ...

  • Page 161

    8-50 1. Main fuse 2. Spare main fuse 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: 30a headlight fuse: 15a ignition fuse: 10a auxiliary dc jack fuse: 10a four-wheel drive fuse: 3a signal...

  • Page 162: Caution:

    8-51 caution: _ to prevent accidental short-circuiting, turn off the main switch when checking or replacing a fuse. _ ebu01063 replacing a headlight bulb if a headlight bulb burns out, replace it as fol- lows: 1. Remove the cover at the rear of the headlight by pulling it off. 1. Cover warning poten...

  • Page 163: Warning

    8-52 1. Headlight bulb holder 2. Remove the headlight bulb holder by turning it counterclockwise. 3. Remove the defective bulb by pushing it in and turning it counterclockwise. 4. Insert a new headlight bulb into the bulb holder, push it in, and then turn it clock- wise until it stops. 5. Install th...

  • Page 164: Caution:

    8-53 ebu01089 headlight beam adjustment caution: _ it is advisable to have a yamaha dealer make this adjustment. _ to raise the beam, turn the adjusting screw in direction a. To lower the beam, turn the adjusting screw in direction b. 1. Headlight beam adjusting screw ebu01105 tail/brake light bulb ...

  • Page 165: Warning

    8-54 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 qui...

  • Page 166

    8-55 ebu00806 troubleshooting charts starting problems or poor engine performance 1. Fuel check if there is fuel in the fuel tank. There is fuel. Turn the fuel cock lever to “off”. No fuel. Fuel cock is clogged. Clean the fuel cock. Some fuel. Turn the fuel cock lever to “res”. Restart the engine. N...

  • Page 167: Warning

    8-56 engine overheating 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. _ warning engine overheating potential hazard removing the radiator cap when the en- gine and radiator are...

  • Page 168: Cleaning and Storage

    9-1 ebu00419 1- cleaning and storage a. Cleaning frequent, thorough cleaning of your machine will not only enhance its appearance but will improve its general performance and extend the useful life of many components. 1. Before cleaning the machine: a. Block off the end of the exhaust pipe to preven...

  • Page 169: Warning

    9-2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 6. Clean the seat with a vinyl upholstery cleaner to keep the cover pliable and glossy. 7. Automotive type wax may be applied to all painted and chrome plated surfaces. Avoid combination cleaner-waxes. Many contain abrasives which may mar the paint or protective ...

  • Page 170

    9-3 ebu00530 b. Storage long term storage (60 days or more) of your machine will require some preventive proce- dures to guard against deterioration. After thoroughly cleaning the machine, prepare for storage as follows: 1. Fill the fuel tank with fresh fuel and add the specified amount of yamaha fu...

  • Page 171

    9-4 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. U5te10.Book page 4 wednesda...

  • Page 172: Specifications

    10-1 ebu00428 1- specifications model yfm400far dimensions: overall length 1,984 mm (78.1 in) overall width 1,085 mm (42.7 in) overall height 1,120 mm (44.09 in) seat height 827 mm (32.6 in) wheelbase 1,233 mm (48.5 in) minimum ground clearance 245 mm (9.65 in) minimum turning radius 3,000 mm (118.1...

  • Page 173

    10-2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 engine oil: type recommended engine oil classification: api service se, sf, sg type or higher quantity: periodic oil change 2.3 l (2.0 imp qt, 2.4 us qt) with oil filter replacement 2.4 l (2.1 imp qt, 2.5 us qt) total amount 2.6 l (2.3 imp qt, 2.7 us qt) model y...

  • Page 174

    10-3 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) total amount 0.25 l (0.22 imp qt, 0.26 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...

  • Page 175

    10-4 spark plug: type/manufacturer dr8ea / ngk spark plug gap 0.6–0.7 mm (0.02–0.03 in) clutch type wet, centrifugal automatic transmission: primary reduction system v-belt secondary reduction system spur gear secondary reduction ratio 39/24 × 24/18 × 33/9 (7.944) transmission type v-belt automatic ...

  • Page 176

    10-5 brake: front brake type dual disc brake operation right hand operation rear brake type drum brake operation left hand and right foot operation suspension: front suspension double wishbone rear suspension swingarm (monocross) shock absorber: front shock absorber coil spring / oil damper rear sho...

  • Page 177

    10-6 bulb voltage, wattage × quantity: headlight 12 v, 30/30 w × 2 tail/brake light 12 v, 5/21 w × 1 meter lighting 14 v, 3 w × 1 neutral indicator light 12 v, 1.7 w × 1 reverse indicator light 12 v, 1.7 w × 1 coolant temperature warning light 12 v, 1.7 w × 1 four-wheel drive indicator light 12 v, 1...

  • Page 178: Noise Regulation

    11-1 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...

  • Page 179: Maintenance Record

    12-1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ebu00431* 1- 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 ...

  • Page 180

    13-1 ebu00432 yamaha motor corporation, u.S.A. Atv limited warranty u5te10.Book page 1 wednesday, april 10, 2002 10:32 am.

  • Page 181

    13-2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 u5te10.Book page 2 wednesday, april 10, 2002 10:32 am.

  • Page 182

    14-1 ebu00435 yamaha extended service (y.E.S.) u5te10.Book page 1 wednesday, april 10, 2002 10:32 am.

  • Page 183: Warning

    14-2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ebu00436 warning _ indicates a potential hazard that could result in serious injury or death. U5te10.Book page 2 wednesday, april 10, 2002 10:32 am.

  • Page 184

    Ebu00437 u5te10.Book page 3 wednesday, april 10, 2002 10:32 am.

  • Page 185: 5Te-F8199-10

    5te-f8199-10 lit-11626-16-02 read this manual carefully! It contains important safety information. This atv should not be ridden by anyone under 16 years of age. Warning yfm400far owner’s manual printed in usa 2002.04-6.0 ×2 cr (e) printed on recycled paper yamaha motor co., ltd. Ebu00438 locate and...

  • Page 186

    Card.Fm page 1 monday, april 8, 2002 3:23 pm.

  • Page 187

    Card.Fm page 2 monday, april 8, 2002 3:23 pm.