Yamaha KODIAK Ultramatic Owner'S Manual Download Page 3 | Manualshive

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EBU00941

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INTRODUCTION

Congratulations on your purchase of the Yamaha YFM400A. 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 crafts-
manship and reliability that have made Yamaha a leader in these fields.
This manual will provide you with a good basic understanding of the features and operation of this
ATV.

This manual includes important safety information. It provides information about

special techniques and skills necessary to ride your ATV.

It also includes basic maintenance

and inspection procedures. If you have any questions regarding the operation or maintenance of
your ATV, please consult a Yamaha dealer.

AN IMPORTANT SAFETY MESSAGE:

●

READ THIS MANUAL TOGETHER WITH TIPS FOR THE ATV RIDER CAREFULLY AND
COMPLETELY BEFORE OPERATING YOUR ATV. MAKE SURE YOU UNDERSTAND ALL
INSTRUCTIONS.

●

PAY CLOSE ATTENTION TO THE WARNING AND CAUTION LABELS ON THE ATV.

●

NEVER OPERATE AN ATV WITHOUT PROPER TRAINING OR INSTRUCTION. FREE
TRAINING IS AVAILABLE TO ANYONE WHO BUYS A NEW ATV. CALL 1-800-887-2887
FOR MORE INFORMATION.

●

THIS ATV, AND ANY OTHER ATV OVER 90cc, SHOULD NOT BE RIDDEN BY ANYONE
UNDER 16 YEARS OF AGE.

U5VH10.book Page 1 Thursday, May 16, 2002 2:18 PM

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Summary of Contents for KODIAK Ultramatic

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Page 3: ...nformation It provides information about special techniques and skills necessary to ride your ATV It also includes basic maintenance and inspection procedures If you have any questions regarding the operation or maintenance of your ATV please consult a Yamaha dealer AN IMPORTANT SAFETY MESSAGE READ THIS MANUAL TOGETHER WITH TIPS FOR THE ATV RIDER CAREFULLY AND COMPLETELY BEFORE OPERATING YOUR ATV ...

Page 4: ...mbol means ATTENTION BECOME ALERT YOUR SAFETY IS INVOLVED WARNING Failure to follow WARNING instructions could result in severe injury or death to the machine operator a bystander or a person inspecting or repairing the machine CAUTION A CAUTION indicates special precautions that must be taken to avoid damage to the machine NOTE A NOTE provides key information to make procedures easier or clearer ...

Page 5: ...h all applicable OFF ROAD noise level and spark arrester laws and regulations in effect at the time of manufacture Please check your local riding laws and regulations before operating this machine EBU01067 YFM400AR OWNER S MANUAL 2002 by Yamaha Motor Corporation U S A 1st edition May 2002 All rights reserved Any reprinting or unauthorized use without the written permission of U5VH10 book Page 2 Th...

Page 6: ...ication number 3 2 Vehicle identification number 3 3 1 2 3 CONTROL FUNCTIONS 4 1 Main switch 4 1 Indicator and warning lights 4 2 Speedometer 4 3 Fuel gauge 4 4 Handlebar switches 4 4 Throttle lever 4 6 Speed limiter 4 7 Front brake lever 4 8 Rear brake pedal and lever 4 8 Parking brake 4 9 Drive select lever 4 10 Recoil starter 4 10 Fuel tank cap 4 11 Fuel cock 4 12 Starter choke 4 13 Seat 4 14 S...

Page 7: ...Tire wear limit 5 12 Drive select lever operation and reverse driving 6 4 Engine break in 6 6 Parking 6 8 Parking on a slope 6 8 Accessories and loading 6 10 RIDING YOUR ATV 7 1 Getting to know your ATV 7 3 Ride with care and good judgement 7 4 Be careful where you ride 7 16 Turning your ATV 7 22 Climbing uphill 7 24 Riding downhill 7 30 Crossing a slope 7 32 Crossing through shallow water 7 34 Ri...

Page 8: ... 8 32 Idle speed adjustment 8 33 Valve clearance adjustment 8 33 Throttle lever adjustment 8 34 Rear brake pedal and lever adjustment 8 39 Adjusting the rear brake light switch 8 42 Cable inspection and lubrication 8 43 Lubricating the brake levers and brake pedal 8 43 Wheel removal 8 44 Wheel installation 8 45 Battery 8 46 Battery maintenance 8 47 Fuse replacement 8 47 Replacing a headlight bulb ...

Page 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 9 10 11 12 13 14 U5VH10 book Page 4 Thursday May 16 2002 2 18 PM ...

Page 10: ...EBU00464 LOCATION OF THE WARNING AND SPECIFICATION LABELS U5VH10 book Page 1 Thursday May 16 2002 2 18 PM ...

Page 11: ...difficult to read or comes off a replacement label is available from your Yamaha dealer 1 2 Overloading this ATV or carrying cargo improperly can change handling stability and braking performance and can lead to an accident Never exceed the maximum front cargo limit of 40kg 88 lbs NEVER sit on the carrier Refer to instructions in the Owner s Manual 5ND F4877 00 WARNING U5VH10 book Page 2 Thursday ...

Page 12: ...Never exceed the maximum rear cargo limit of 80kg 176 lbs NEVER sit on the carrier Refer to instructions in the Owner s Manual 5ND F4897 00 WARNING 5 6 PULLING LOAD 4900 N 5 0 0 k g f 1102 l b f TONGUE WEIGHT 147 N 1 5 k g f 33 l b f 5ND F151K 00 MAXIMUM LOADING LIMIT MAXIMUM LOADING LIMIT U5VH10 book Page 3 Thursday May 16 2002 2 18 PM ...

Page 13: ...7 8 U5VH10 book Page 4 Thursday May 16 2002 2 18 PM ...

Page 14: ...ut proper training or instruction Take a Training Course Begin ners should receive training from a certified instructor Contact an authorized ATV dealer or call 1 800 887 2887 to find out about the training courses nearest you Always follow the age recommendation A child under 16 years old should never operate an ATV with engine size greater than 90 cc Never allow a child under age 16 to operate a...

Page 15: ...rating condition Al ways follow the inspection and maintenance procedures and schedules described in this man ual Always keep both hands on the handlebars and both feet on the footboards of the ATV during operation Always go slowly and be extra careful when operating on unfamiliar terrain Always be alert to changing terrain conditions when operating the ATV Never operate on excessively rough slipp...

Page 16: ... hill as described in this manual Avoid hills with excessively slippery or loose surfaces Shift your weight to the uphill side of the ATV Never attempt to turn the ATV around on any hill until you have mastered the turning technique described in this manual on level ground Avoid crossing the side of a steep hill if possible Always use proper procedures if you stall or roll backwards when climbing ...

Page 17: ...e sure there are no obstacles or people behind you when you operate in reverse When it is safe to proceed in reverse go slowly Always use the size and type tires specified in this manual Always maintain proper tire pressure as described in this manual Never modify an ATV through improper installation or use of accessories Never exceed the stated load capacity for an ATV Cargo should be properly di...

Page 18: ...ces of ignition such as the pi lot lights of water heaters and clothes When transporting the ATV in another vehicle be sure it is kept upright and that the fuel cock is in the OFF posi tion Otherwise fuel may leak out of the carburetor or fuel tank WHAT CAN HAPPEN Gasoline is poisonous and can cause injuries HOW TO AVOID THE HAZARD If you should swallow some gasoline or inhale a lot of gasoline va...

Page 19: ...n 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 U5VH10 book Page 6 Thursday May 16 2002 2 18 PM ...

Page 20: ...elt case 8 Radiator cap 9 Fuel cock 10 Air filter case 11 Fuses 12 Tail brake light 13 Front shock absorber assembly spring preload adjusting ring 14 V belt cooling duct check hose 15 Coolant reservoir 16 Oil filter cartridge 17 Engine oil dipstick 18 Rear brake lever 19 Left handlebar switches 20 Starter choke 21 Drive select lever 22 Speedometer 23 Main switch 24 Fuel tank cap 25 Auxiliary DC ja...

Page 21: ...g spare parts from a Yamaha dealer or for reference in case the vehicle is stolen 1 KEY IDENTIFICATION NUMBER 2 VEHICLE IDENTIFICATION NUMBER 3 MODEL LABEL INFORMATION EBU00035 Key identification number The key identification number is stamped on the key as shown in the following illustration This number can be used for ordering a new key 1 Key identification number U5VH10 book Page 2 Thursday May...

Page 22: ...E The vehicle identification number is used to identify your machine EBU00787 Model label The model label is affixed to the location in the illustration 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 Model label U5VH10 book Page 3 Thursday May 16 2002 2 18 PM ...

Page 23: ...ain switch Functions of the respective switch positions are as follows ON The engine can be started only at this position and the headlights taillight and meter lighting come on when the light switch is on OFF All electrical circuits are switched off The key can be removed in this position 1 Main switch U5VH10 book Page 1 Thursday May 16 2002 2 18 PM ...

Page 24: ...eration stop the en gine as soon as it is safe to do so and allow the engine to cool down for about 10 minutes To check the coolant temperature warning light shift the drive select lever into neutral turn the key to ON and then press the start switch If the light does not come on have a Yamaha dealer inspect the electrical circuit CAUTION _ The engine may overheat if the ATV is overloaded If this ...

Page 25: ... N position 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 enable you to plan fuel stops in the future 1 Speedometer 2 Trip odometer U5VH10 book Page 3 Thursday Ma...

Page 26: ...nity 1 Fuel gauge 2 Red line NOTE If the machine runs out of fuel move the fuel cock lever to the RES position Approxi EBU00053 Handlebar switches 1 Light switch OFF 2 Engine stop switch 3 Start switch EBU01251 Light switch OFF Set the switch to to turn on the low beams the taillight and the meter lighting U5VH10 book Page 4 Thursday May 16 2002 2 18 PM ...

Page 27: ...re that the engine stop switch is set to before starting the engine The engine stop switch controls ignition and can be used at all times to stop the engine especially in an emergency The engine will not start or run when the engine stop switch is set to EBU00607 Start switch The starter motor cranks the engine when this switch is pushed CAUTION See starting instructions prior to starting the engi...

Page 28: ...ing the engine check the throttle to be sure it is operating smoothly Make sure it returns to the idle position as soon as the le ver is released WARNING POTENTIAL HAZARD Malfunction of throttle WHAT CAN HAPPEN The throttle could be hard to operate making it difficult to speed up or slow down when you need to This could cause an accident HOW TO AVOID THE HAZARD Check the operation of the throttle ...

Page 29: ...usting screw WARNING POTENTIAL HAZARD Improper adjustment of the speed limit er and throttle WHAT CAN HAPPEN The throttle cable could be damaged Improper throttle operation could result You could lose control have an acci dent or be injured HOW TO AVOID THE HAZARD Do not turn the adjusting screw out more than 12 mm 0 47 in Always make sure the throttle lever free play is adjust ed to 3 5 mm 0 12 0...

Page 30: ...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 1 Brake pedal U5VH10 book Page 8 Thursday May 16 2002 2 18 PM ...

Page 31: ...e of the parking brake WHAT CAN HAPPEN The ATV could start moving unexpect edly if the parking brake is not applied before starting the engine This could cause loss of control or a collision The brake could overheat if you ride the ATV without releasing the parking brake You could lose braking perfor mance which could cause an accident You could also wear out the brakes pre maturely HOW TO AVOID T...

Page 32: ... 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 engagement can be felt Then pull forcefully being careful not to pull the rope all the way out 1 Recoil starter U5VH10 book Page 10 Thursday May 16 2002 2 18 PM ...

Page 33: ...ng 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 HAZARD Shift the drive select lever into the neu tral position and apply the parking brake before starting the engine U5VH10 book Page 11 Thursday May 16 2002 2 18 PM ...

Page 34: ... running ON With the lever in this position fuel flows to the carburetor Normal riding is done with the lever in this position RES This indicates reserve If you run out of fuel while riding turn the lever to this position THEN FILL THE FUEL TANK AT THE FIRST OPPORTUNITY After refuelling return the fuel cock lever to the ON position 1 Arrow mark pointing to OFF OFF Position ON Position U5VH10 book ...

Page 35: ... air fuel mixture A separate starter circuit supplies this mixture Move in direction a to turn on the starter choke Move in direction b to turn off the starter choke Refer to Starting a cold engine for proper op eration See page 6 1 RES Position U5VH10 book Page 13 Thursday May 16 2002 2 18 PM ...

Page 36: ...he rear 1 Seat 2 Seat lock lever To install the seat insert the projections on the front of the seat into the seat holders and push down on the seat at the rear NOTE _ Make sure that the seat is securely fitted _ 1 Projection 2 2 Seat holder 2 U5VH10 book Page 14 Thursday May 16 2002 2 18 PM ...

Page 37: ...ly edged prod ucts directly in the storage box If they must be stored wrap them in appropriate cushion material EBU00582 Front carrier EBU00583 Rear carrier Maximum load limit 2 kg 4 4 lb Maximum load limit 40 kg 88 lb Maximum load limit 80 kg 176 lb U5VH10 book Page 15 Thursday May 16 2002 2 18 PM ...

Page 38: ...crease the spring preload turn the ad justing ring in direction a To decrease the spring preload turn the ad justing ring in direction b 1 Spring preload adjusting ring NOTE _ A special wrench can be obtained at a Yamaha dealer to make this adjustment _ 1 Special wrench Standard position 2 1 Minimum soft 5 Maximum hard U5VH10 book Page 16 Thursday May 16 2002 2 18 PM ...

Page 39: ...AT 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 U5VH10 book Page 17 Thursday May 16 2002 2 18 PM ...

Page 40: ...rease the spring preload turn the ad justing ring in direction a To decrease the spring preload turn the ad justing ring in direction b 1 Spring preload adjusting ring NOTE _ A special wrench can be obtained at a Yamaha dealer to make this adjustment _ 1 Special wrench Standard position 2 1 Minimum soft 5 Maximum hard U5VH10 book Page 18 Thursday May 16 2002 2 18 PM ...

Page 41: ...iliary DC jack is not being used cover it with the cap CAUTION _ Do not use accessories requiring more than the above maximum capac ity This may overload the circuit and cause the fuse to blow If accessories are used without the engine running or with the headlights turned on the battery will lose its charge and engine starting may be come difficult Do not use an automotive cigarette Maximum rated...

Page 42: ...1 Auxiliary DC jack U5VH10 book Page 20 Thursday May 16 2002 2 18 PM ...

Page 43: ...5 3 8 35 8 39 8 41 Fuel Check fuel level Fill with fuel if necessary 5 4 5 5 Engine oil Check oil level Fill with oil if necessary 5 6 8 12 8 15 Coolant reservoir Check coolant level Fill with coolant if necessary 5 7 8 19 8 23 Final gear oil Check for leakage 5 7 8 16 8 18 Throttle Check for proper throttle cable operation 5 8 8 34 Wheels and tires Check tire pressure wear and damage 5 9 5 12 8 4...

Page 44: ... If not have a Yamaha dealer inspect them Brake fluid level front brake Check the brake fluid level Add fluid if neces sary See pages 8 36 8 37 WARNING POTENTIAL HAZARD Failure to inspect the ATV before oper ating Failure to properly maintain the ATV WHAT CAN HAPPEN Increases the possibility of an accident or equipment damage HOW TO AVOID THE HAZARD Always inspect your ATV each time you use it to ...

Page 45: ...ake sure they are working properly If the brakes do not provide proper braking per formance inspect the brake pads and shoes for wear See page 8 35 WARNING POTENTIAL HAZARD Riding with improperly operating brakes WHAT CAN HAPPEN You could lose braking ability which could lead to an accident HOW TO AVOID THE HAZARD Always check the brakes at the start of every ride Do not ride the ATV if you find a...

Page 46: ...designed to use regular unleaded gasoline with a pump octane number R M 2 of 86 or higher or research octane number of 91 or higher If knocking or pinging occurs use a different brand of gasoline or premium unleaded fuel Unleaded fuel will give you longer spark plug life and reduced maintenance cost Recommended fuel UNLEADED GASOLINE ONLY Fuel tank capacity Total 15 L 3 3 Imp gal 4 0 US gal Reserv...

Page 47: ... HAZARD Improper care when refueling WHAT CAN HAPPEN Fuel can spill which can cause a fire and severe injury Fuel expands when it heats up If the fuel tank is overfilled fuel could spill out due to heat from the engine or the sun HOW TO AVOID THE HAZARD Do not overfill the fuel tank Be careful not to spill fuel especially on the engine or exhaust pipe Wipe up any spilled fuel immediately Be sure t...

Page 48: ...pecified In addition do not use oils labeled ENERGY CONSERVING II or higher Make sure that no foreign material en ters the crankcase _ Recommended oil Recommended engine oil classification API Service SE SF SG type or higher 0 10 30 50 70 90 110 130 F YAMALUBE 4 10W30 or SAE 10W30 SAE 5W30 20 10 0 10 20 30 40 50 C YAMALUBE 4 20W40 or SAE 20W40 Oil quantity Periodic oil change 2 3 L 2 0 Imp qt 2 4 ...

Page 49: ... coolant lev el will vary with engine temperature The coolant level is satisfactory if it is between the minimum and maximum level marks on the coolant reservoir If the coolant level is at or below the minimum level mark add distilled water to bring the level up to maximum level mark Change the coolant every two years See pages 8 19 8 23 for details CAUTION _ Hard water or salt water is harmful to...

Page 50: ...e Service Manual for correct tightening torque EBU01003 Lights Check the headlights and tail brake light to make sure they are in working condition Re WARNING POTENTIAL HAZARD Removing the radiator cap when the en gine and radiator are still hot WHAT CAN HAPPEN You could be burned by hot fluid and steam blown out under pressure HOW TO AVOID THE HAZARD Wait for the engine to cool before re moving t...

Page 51: ...er 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 acci dent HOW TO AVOID THE HAZARD 1 The tires listed below have been ap proved by Yamaha Motor Co Ltd for this model Other tire combina tions are not recommended ACE 01E U5VH10 book Page 9 Thursday May 16 20...

Page 52: ...d could cause the tire to dislodge from the rim under severe riding conditions The following are minimums Front 22 kPa 0 22 kgf cm2 3 2 psi Rear 22 kPa 0 22 kgf cm2 3 2 psi 4 Use no more than the following pressures when seating the tire beads Front 250 kPa 2 5 kgf cm2 36 psi Rear 250 kPa 2 5 kgf cm2 36 psi Higher pressures may cause the tire to burst Inflate the tires very slowly and carefully Fa...

Page 53: ...d reading Dust or dirt in the gauge could cause the first reading to be incorrect Set pressure with tires cold Set tire pressures to the following specifica tions ACE 02EACE 02E 1 Low pressure tire gauge Recommended pressure Minimum Maximum Front 25 kPa 0 25 kgf cm2 3 6 psi 22 kPa 0 22 kgf cm2 3 2 psi 28 kPa 0 28 kgf cm2 4 0 psi 25 kPa 22 kPa 28 kPa U5VH10 book Page 11 Thursday May 16 2002 2 18 PM...

Page 54: ...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 U5VH10 book Page 12 Thursday May 16 2002 2 18 PM ...

Page 55: ...ing familiar with all controls WHAT CAN HAPPEN Loss of control which could cause an accident or injury HOW TO AVOID THE HAZARD Read the Owner s Manual carefully If there is a control or function you do not understand ask your Yamaha dealer WARNING POTENTIAL HAZARD Freezing control cables in cold weather WHAT CAN HAPPEN You could be unable to control the ATV which could lead to an accident or colli...

Page 56: ...old engine start ambient temperature below 5 C 40 F Position 2 Cold engine start ambient temperature at 0 C 30 F 30 C 90 F and warm ing up position Position 3 Cold engine start ambient temperature above 25 C 80 F and warm engine start position a Starter choke 1 Fully open 2 Half open 3 Closed 6 Completely close the throttle lever and start the engine by pushing the start U5VH10 book Page 2 Thursda...

Page 57: ...e If the engine is started with the starter choke in position 2 keep the starter choke in this position to warm up the engine 8 Continue warming up the engine until it CAUTION _ See the Engine break in section prior to operating the engine for the first time _ EBU00180 Starting a warm engine To start a warm engine refer to the Starting a cold engine section The starter choke should not be used The...

Page 58: ..._ Shifting forward 1 Bring the machine to a complete stop and return the throttle lever to the closed position 2 Shift the gear from neutral to forward and vice versa by moving the drive select le ver along the shift guide NOTE _ Make sure that the drive select lever is com pletely shifted into position 1 Drive select lever 3 Open the throttle lever gradually U5VH10 book Page 4 Thursday May 16 200...

Page 59: ...reverse indicator light should be on If the light does not come on ask a Yamaha dealer to inspect the ATV _ 1 Drive select lever 4 Check behind for people or obstacles then release the parking brake 5 Open the throttle lever gradually and con tinue to watch to the rear while backing NOTE _ If the drive select lever is shifted into reverse while the engine is running the engine will stop unless the...

Page 60: ...the correct operating clearances During this period prolonged full throttle oper ation or any condition which might result in ex cessive engine heating must be avoided However momentary 2 3 seconds maxi mum full throttle operation under load does not harm the engine WARNING POTENTIAL HAZARD Improper operation in reverse WHAT CAN HAPPEN You could hit an obstacle or person be hind you resulting in s...

Page 61: ...ours Avoid continuous operation above half throttle Allow a cooling off period of five to ten minutes after every hour of opera tion Vary the speed of the machine from time to time Do not operate it at one set throttle position 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 op...

Page 62: ... could roll out of control in creasing the chance of an accident HOW TO AVOID THE HAZARD Avoid parking on hills or other inclines If you must park on an incline place the machine transversely across the in cline apply the parking brake and block the front and rear wheels with rocks or other objects Do not park the ATV at all on hills that are so steep you could not walk up them easily U5VH10 book ...

Page 63: ...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 U5VH10 book Page 9 Thursday May 16 2002 2 18 PM ...

Page 64: ...a genuine Yamaha accessory or one that is equiva lent in design and quality Accessories should be rigidly and securely mounted An accessory which can shift po sition or come off while you are riding could affect your ability to control the ATV Do not mount an accessory where it could interfere with your ability to control the ATV Examples include but are not limited to a heavy or bulky object atta...

Page 65: ...tch If you are carrying cargo and towing a trail er include the tongue weight in the maxi mum vehicle load limit Load cargo on the carrier as close to the center of the vehicle as possible Put cargo at the front of the rear carrier Center the load from side to side Tie down cargo securely to the carriers Make sure cargo in the trailer cannot move around A shifting load can cause an acci dent MAXIM...

Page 66: ...ffects the sta bility and handling of the ATV WARNING POTENTIAL HAZARD Overloading this ATV or carrying or tow ing cargo improperly WHAT CAN HAPPEN Could cause changes in vehicle han dling which could lead to an accident HOW TO AVOID THE HAZARD Never exceed the stated load capacity for this ATV Cargo should be properly distributed and securely attached Reduce speed when carrying cargo or pulling a...

Page 67: ...U5VH10 book Page 13 Thursday May 16 2002 2 18 PM ...

Page 68: ...EBU01255 WARNING _ Indicates a potential hazard that could result in serious injury or death U5VH10 book Page 14 Thursday May 16 2002 2 18 PM ...

Page 69: ...7 Riding Your ATV U5VH10 book Page 1 Thursday May 16 2002 2 18 PM ...

Page 70: ...U5VH10 book Page 2 Thursday May 16 2002 2 18 PM ...

Page 71: ...ypes of riding Riding your ATV requires special skills acquired through practice over a period of time Take the time to learn the basic tech niques well before attempting more difficult maneuvers Riding your new ATV can be a very enjoyable activity providing you with hours of pleasure Owner s Manual completely and understand the operation of the controls Pay particular attention to the safety info...

Page 72: ... time Take the time to learn the basic techniques well before attempting more difficult maneu vers WARNING POTENTIAL HAZARD Operating this ATV without proper in struction WHAT CAN HAPPEN The risk of an accident is greatly in HOW TO AVOID THE HAZARD Beginning and inexperienced operators should complete the certified training course offered by Yamaha They should then regularly practice the skills le...

Page 73: ...ommenda 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 child under 16 should never operate an ATV with engine size greater than 90cc U5VH10 book Page 5 Thursday May 16 2002 2 18 PM ...

Page 74: ...EN 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 AVOID THE HAZARD Never carry a passenger The long seat is to allow the operator to shift position as needed during operation It is not for carrying passengers U5VH10 book Page 6 Thursday May 16 2002 2 18 PM ...

Page 75: ...accident Operating without eye protection can re sult in an accident and increases your chances of a severe injury in the event Operating without protective clothing increases your chances of severe injury in the event of an accident HOW TO AVOID THE HAZARD Always wear an approved motorcycle helmet that fits properly You should also wear eye protection goggles or face shield gloves boots long slee...

Page 76: ...ARD Operating this ATV after consuming al cohol or drugs WHAT CAN HAPPEN Could seriously affect your judgment Could cause you to react more slowly Could affect your balance and percep tion Could result in an accident HOW TO AVOID THE HAZARD Never consume alcohol or drugs before or while driving this ATV U5VH10 book Page 8 Thursday May 16 2002 2 18 PM ...

Page 77: ...p erating condition Always follow the in spection and maintenance procedures 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 an acci dent HOW TO AVOID THE HAZARD Always use the ...

Page 78: ...o the maxi mum Turning the adjusting screw in limits the maximum engine power available and de creases the maximum speed of the ATV Turning the adjusting screw in decreases the top speed and turning it out increases the top speed WARNING POTENTIAL HAZARD Operating this ATV at speeds too fast for your skills or the conditions WHAT CAN HAPPEN Increases your chances of losing con trol of the ATV whic...

Page 79: ...ulling load 500 kgf 1 102 lbf Total weight of trailer and cargo Tongue weight 15 kgf 33 lbf WARNING POTENTIAL HAZARD Overloading this ATV or carrying or tow ing cargo improperly WHAT CAN HAPPEN Could cause changes in vehicle han dling which could lead to an accident HOW TO AVOID THE HAZARD Never exceed the stated load capacity for this ATV Cargo should be properly distributed and securely attached...

Page 80: ...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 If you remove a foot from a footboard your foot or leg may come into contact with the rear wheels which could injure you or cause an accident HOW TO AVOID THE HAZARD Always keep both hands on the handle bars and both feet on the footboards of your ATV during operation U...

Page 81: ...G 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 Don t try to show off U5VH10 book Page 13 Thursday May 16 2002 2 18 PM ...

Page 82: ...cause changes in handling which in some situ ations could lead to an accident HOW TO AVOID THE HAZARD 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 U5VH10 book Page 14 Thursday May 16 2002 2 18 PM ...

Page 83: ... WARNING POTENTIAL HAZARD Hot exhaust system WHAT CAN HAPPEN Dry grass or brush or other combustible material accumulated around the en gine area could catch fire Someone touching the exhaust system during or after operation could be burned HOW TO AVOID THE HAZARD Do not touch the hot exhaust system Do not park the ATV in a place where others might be likely to touch it U5VH10 book Page 15 Thursda...

Page 84: ... 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 trol HOW TO AVOID THE HAZARD Always avoid paved surfaces including sidewalks driveways parking lots and streets U5VH10 book Page 16 Thursday May 16 2002 2 18 PM ...

Page 85: ...erating 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 gravel one In many states it is illegal to operate ATVs on public streets roads and highways U5VH10 book Page 17 Thursday May 16 2002 2 18 PM ...

Page 86: ...TENTIAL HAZARD Failure to use extra care when operating this ATV on unfamiliar terrain WHAT CAN HAPPEN You can come upon hidden rocks bumps or holes without enough time to react Could result in the ATV overturn ing or going out of control HOW TO AVOID THE HAZARD Go slowly and be extra careful when op erating on unfamiliar terrain Always be U5VH10 book Page 18 Thursday May 16 2002 2 18 PM ...

Page 87: ...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 sary to control the ATV on such terrain Always be especially cautious on these kinds of terrain U5VH10 book Page 19 Thursday May 16 2002 2 18 PM ...

Page 88: ...ler hitch Do not ride in areas posted no trespassing Do not ride on private property without getting permission WARNING WHAT CAN HAPPEN You could be in a collision You could be injured HOW TO AVOID THE HAZARD Always mount a caution flag on the ATV to make you more visible Watch care fully for other vehicles U5VH10 book Page 20 Thursday May 16 2002 2 18 PM ...

Page 89: ...wards do not allow skin or clothing to come in contact with these components With the engine idling return the starter choke to the closed position and shift the drive select lever into the forward position Then release the parking brake Apply the throttle slowly and smoothly The centrifugal clutch will engage and you will start to acceler ate If the throttle is applied too abruptly the front whee...

Page 90: ...n As you do so put your weight on the footboard to the outside of the turn opposite your desired direction and lean your upper body into the turn Use the throttle to maintain an even speed through the turn This maneu ver will let the wheel on the inside of the turn slip slightly allowing the ATV to make the turn WARNING POTENTIAL HAZARD Turning improperly WHAT CAN HAPPEN ATV could go out of contro...

Page 91: ...mproper 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 If the ATV begins to tip over to the outside while negotiating a turn lean more to the in side It may also be necessary to gradually let off on the throttle and steer to the outside of the turn to avoid tipping over Remember A...

Page 92: ...rtant when climbing a hill to make sure that your weight is transferred forward on the ATV This can be accomplished by lean ing forward and on steeper inclines standing on the footboards and leaning forward over the handlebars WARNING POTENTIAL HAZARD Operating on excessively steep hills WHAT CAN HAPPEN The vehicle can overturn more easily on extremely steep hills than on level sur faces or small ...

Page 93: ... as described in this Own er s Manual Always check the terrain carefully be fore you start up any hill Never climb hills with excessively slip pery or loose surfaces Shift your weight forward Never open the throttle suddenly The ATV could flip over backwards An obstacle a sharp drop or another vehicle or person could be on the other side of the hill U5VH10 book Page 25 Thursday May 16 2002 2 18 PM...

Page 94: ...TENTIAL HAZARD Improperly crossing hills or turning on hills WHAT CAN HAPPEN Could cause loss of control or cause the ATV to overturn HOW TO AVOID THE HAZARD Never attempt to turn the ATV around on any hill until you have mastered the turning technique as described in the Owner s Manual on level ground Be very careful when turning on any hill Avoid crossing the side of a steep hill if possible U5V...

Page 95: ...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 U5VH10 book Page 27 Thursday May 16 2002 2 18 PM ...

Page 96: ...rt to roll backwards DO NOT apply the rear brake to stop The ATV could easily tip over backwards Instead dismount the ATV immediately on the uphill side WARNING POTENTIAL HAZARD Stalling rolling backwards or improper ly dismounting while climbing a hill WHAT CAN HAPPEN Could result in ATV overturning HOW TO AVOID THE HAZARD Maintain steady speed when climbing a hill If you lose all forward speed K...

Page 97: ...pply the front brake When fully stopped apply the rear brake as well and then lock the park ing brake Dismount on uphill side or to a side if pointed straight uphill Turn the ATV around and remount following the pro cedure described in the Owner s Manu al U5VH10 book Page 29 Thursday May 16 2002 2 18 PM ...

Page 98: ...which could al low the ATV to tip or roll over Carefully choose your path and ride no faster than you will be able to react to obstacles which may appear 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 ...

Page 99: ...U5VH10 book Page 31 Thursday May 16 2002 2 18 PM ...

Page 100: ...ly up hill When riding on slopes be sure not to make sharp turns either up or down hill If your ATV does begin to tip over gradually steer in the downhill direction if there are no WARNING POTENTIAL HAZARD Improperly crossing hills or turning on hills WHAT CAN HAPPEN Could cause loss of control or cause the ATV to overturn HOW TO AVOID THE HAZARD Never attempt to turn the ATV around on any hill un...

Page 101: ...U5VH10 book Page 33 Thursday May 16 2002 2 18 PM ...

Page 102: ...ery or up set the ATV Drive slowly and carefully WARNING POTENTIAL HAZARD Operating this ATV through deep or fast flowing water WHAT CAN HAPPEN Tires may float causing loss of traction and loss of control which could lead to an accident HOW TO AVOID THE HAZARD Remember that wet brakes may have re duced stopping ability Test your brakes after leaving water If necessary apply them several times to l...

Page 103: ... 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 hose on the V belt cooling duct Wash the ATV in fresh water if it has been operated in salt water or muddy conditions _ U5VH10 book Page 35 Thursday May 16 2002 2 18 PM ...

Page 104: ...1 V belt cooling duct check hose left front side of ATV 1 Drive select lever box check hose U5VH10 book Page 36 Thursday May 16 2002 2 18 PM ...

Page 105: ...rol and damage to the ATV may result WARNING POTENTIAL HAZARD Improperly operating over obstacles WHAT CAN HAPPEN Could cause loss of control or a colli sion Could cause the ATV to overturn HOW TO AVOID THE HAZARD Before operating in a new area check for obstacles Never attempt to ride over large obsta cles such as large rocks or fallen trees When you go over obstacles always fol low proper proced...

Page 106: ...wheels to slide in loose or slippery conditions position ing your weight over the front wheels will sometimes help If the rear wheels of your ATV start to slide sideways control can usually be regained if there is room to do so by steering in the direc tion of the slide Applying the brakes or accel erating is not recommended until you have corrected the slide U5VH10 book Page 38 Thursday May 16 20...

Page 107: ...ontrol may be lost WARNING POTENTIAL HAZARD Skidding or sliding improperly WHAT CAN HAPPEN You may lose control of this ATV You may also regain traction unexpectedly which may cause the ATV to overturn HOW TO AVOID THE HAZARD Learn to safely control skidding or slid ing by practicing at low speeds and on level smooth terrain On extremely slippery surfaces such as ice go slowly and be very cautious...

Page 108: ... If necessary gradually let off the throttle and or steer to the outside of the turn See If your ATV starts to slide sideways Steer in the direction of the slide if you have the room Applying the brakes or accelerat ing is not recommended until you have cor rected the slide See pages 7 38 7 39 If your ATV can t make it up a hill you are trying to climb Turn the ATV around if you still have for war...

Page 109: ...cover that the ATV is going to tip over dis mount on the uphill side See pages 7 32 7 33 If your ATV encounters shallow water Ride slowly and carefully through slow moving water watching for obstacles Be sure to let water drain from the ATV and CHECK YOUR BRAKES FOR PROPER OPERATION when you come out of the water Do not continue to ride your ATV un til you have regained adequate braking ability Se...

Page 110: ...r s manual and tool kit You are recommended to put this owner s manual in the vinyl bag and always carry it un der the seat as shown Put the owner s tool kit and low pressure tire gauge in the storage box WARNING POTENTIAL HAZARD Servicing an engine while it is running WHAT CAN HAPPEN Moving parts can catch clothing or parts of the body causing injury Electrical components can cause shocks or can ...

Page 111: ...your machine to a Yamaha dealer to check the torque settings and adjust them as neces sary 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 this ATV through improp er insta...

Page 112: ... 40 hours More often in wet or dusty areas Carburetor Check and adjust idle speed starter operation Adjust if necessary Crankcase breather system Check breather hose for cracks or damage Replace if necessary Exhaust system Check for leakage Tighten if necessary Replace gasket s if necessary Spark arrester Clean Fuel line Check fuel hose for cracks or damage Replace if necessary Engine oil Replace ...

Page 113: ...necessary Steering system Check operation Replace if damaged Check toe in Adjust if necessary Fittings and fasteners Check all chassis fittings and fasteners Correct if necessary Lights and switches Check operation Adjust headlight beam ITEM ROUTINE INITIAL EVERY 1 month 3 months 6 months 6 months 1 year NOTE Recommended brake fluid DOT 4 Brake fluid replacement When disassembling the master cylin...

Page 114: ...d 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 U5VH10 book Page 5 Thursday May 16 2002 2 18 PM ...

Page 115: ...EBU00700 Panel A D To remove 1 Remove the seat 2 Pull outward on the areas shown and then pull upward U5VH10 book Page 6 Thursday May 16 2002 2 18 PM ...

Page 116: ...To install 1 Place the panel in its original position 2 Install the seat U5VH10 book Page 7 Thursday May 16 2002 2 18 PM ...

Page 117: ...he 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 _ U5VH10 book Page 8 Thursday May 16 2002 2 18 PM ...

Page 118: ...00617 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 U5VH10 book Page 9 Thursday May 16 2002 2 18 PM ...

Page 119: ...e 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 and then install the bolts 1 Panel E 2 Bolt 3 Tightening torque Carrier bolts 19 Nm 1 9 m kgf 13 ft lbf U5VH10 book Page 10 Thursday May 16 2002 2 18 PM ...

Page 120: ...EBU00638 Panel F To remove Pull outward on the areas shown 1 Panel F To install Place the panel in its original position U5VH10 book Page 11 Thursday May 16 2002 2 18 PM ...

Page 121: ...gine oil filler cap and wipe off the dipstick with a clean rag 5 Insert the dipstick in the filler hole without screwing it in NOTE _ Wait a few minutes until the oil level settles before checking _ 6 The oil level should be between the max imum and minimum marks If the level is low fill the engine with sufficient oil to reach the specified level 1 Maximum level mark 2 Minimum level mark U5VH10 bo...

Page 122: ...edures 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 engine oil filler cap 4 Remove the drain bolt and drain the oil 5 Remove the oil filter cartridge with an oil filter wrench 1 Oil filter cartridge U5VH10 book Page 13 Thursday May 16 2002 2 18 PM ...

Page 123: ...pecified 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 seated properly _ 8 Install the oil filter cartridge and then tighten it to the specified torque with a torque wrench Tightening torque Drain bolt U5VH10 book Page 14 Thursday May 16 2002 2 18 PM ...

Page 124: ... not use oils labeled ENERGY CONSERVING II or higher Make sure that no foreign material en ters the crankcase _ 10 Start the engine and warm it up for seve ral minutes While warming up check for oil leakage If oil leakage is found stop the engine immediately and check for the cause 11 Install the panels Recommended engine oil See page 5 6 Oil quantity Total amount 2 6 L 2 3 Imp qt 2 8 US qt Period...

Page 125: ...he final gear case NOTE _ The oil level should be at the brim of the filler hole _ 3 If the oil is below the brim of the filler hole add sufficient oil of the recommended type to raise it to the correct level CAUTION _ Be sure no foreign material enters the final gear case _ 4 Install the oil filler bolt U5VH10 book Page 16 Thursday May 16 2002 2 18 PM ...

Page 126: ...ce a container under the final gear case to collect the used oil 4 Remove the oil filler bolt and the drain 1 Final gear case drain bolt 5 Install the drain bolt and then tighten it to the specified torque 6 Add the recommended final gear oil to Tightening torque Final gear oil drain bolt 23 Nm 2 3 m kgf 16 ft lbf U5VH10 book Page 17 Thursday May 16 2002 2 18 PM ...

Page 127: ...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 Oil quantity 0 19 L 0 17 Imp qt 0 20 US qt Tightening torque Final gear case cover bolt 16 Nm 1 6 m kgf 12 ft lbf U5VH10 book Page 18 Thursday May 16 2002 2 18 PM ...

Page 128: ...en the minimum and maximum level marks _ 3 If the coolant is at or below the minimum level mark remove panel D See pages 8 6 8 7 for panel removal and installa tion procedures remove the reservoir cap add coolant to the maximum level mark install the reservoir cap and then install the panel Coolant reservoir capacity up to the maximum level mark 0 25 L 0 22 Imp qt 0 26 US qt U5VH10 book Page 19 Th...

Page 129: ...temperature in the radi ator _ If your ATV overheats see page 8 55 for de tails EBU01257 Changing the coolant WARNING POTENTIAL HAZARD Removing the radiator cap when the en gine and radiator are still hot WHAT CAN HAPPEN You could be burned by hot fluid and steam blown out under pressure HOW TO AVOID THE HAZARD Wait for the engine to cool before re moving the radiator cap Always use a thick rag ov...

Page 130: ...edures 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 Trough 4 Remove the front carrier and panel C See page 8 9 for removal and installa tion procedures U5VH10 book Page 21 Thursday May 16 2002 2 18 PM ...

Page 131: ...e coolant res ervoir side and then drain the coolant from the coolant reservoir 1 Coolant reservoir drain hose 9 After draining the coolant thoroughly flush the cooling system with clean tap water 10 Replace the coolant drain bolt washer if it is damaged and then tighten the coolant drain bolt to the specified torque Tightening torque U5VH10 book Page 22 Thursday May 16 2002 2 18 PM ...

Page 132: ...it idle for several minutes Stop the engine and then check the coolant level in the radiator If it is low add more coolant until it reaches the top of the radiator 15 Check for coolant leakage NOTE _ If any leakage is found have a Yamaha deal er check the cooling system _ 16 Install the panels and the front carrier Recommended antifreeze High quality ethylene glycol antifreeze containing corrosion...

Page 133: ...g wrench in the tool kit 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 being ridden normally U5VH10 book Page 24 Thursday May 16 2002 2 18 PM ...

Page 134: ...ace the spark plug with the specified plug Installation 1 Measure the electrode gap with a wire thickness gauge and if necessary adjust the gap to specification 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 Specified spark plug DR8EA NGK Spark plug gap 0 6 0 7 mm 0 02 0 03 in Tightening torque Spark p...

Page 135: ...ing a spark plug a good estimate of the correct torque is 1 4 to 1 2 turn past finger tight Have the spark plug tightened to the specified torque as soon as possible _ 4 Install the spark plug cap 5 Install the panel U5VH10 book Page 26 Thursday May 16 2002 2 18 PM ...

Page 136: ...r 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 14 for 1 Holder 4 2 Air filter case cover 3 Remove the air filter element and then remove it from its frame U5VH10 book Page 27 Thursday May 16 2002 2 18 PM ...

Page 137: ...AUTION _ Do not twist the air filter element when squeezing it _ WARNING POTENTIAL HAZARD Using low flash point solvents or gaso line to clean the air filter element WHAT CAN HAPPEN Low flash point solvents or gasoline can catch fire or explode HOW TO AVOID THE HAZARD Use parts cleaning solvent to clean the air filter element U5VH10 book Page 28 Thursday May 16 2002 2 18 PM ...

Page 138: ...ed more often if the machine is operated in extremely dusty areas Each time the air filter element maintenance is performed check the air inlet to the filter case for obstructions Check the air filter case rubber joint to the car buretor and manifold fittings for an airtight seal Tighten all fittings securely to avoid the possibility of unfiltered air entering the engine _ CAUTION _ Never operate ...

Page 139: ...641 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 U5VH10 book Page 30 Thursday May 16 2002 2 18 PM ...

Page 140: ...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 1 Spark arrester 4 Insert the tailpipe into the muffler and align the bolt holes 5 Install and tighten the bolts U5VH10 book Page 31 Thursday May 16 2002 2 18 PM ...

Page 141: ...tests If the settings are disturbed by someone without sufficient technical knowledge poor engine perfor mance and damage may result 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 Could start a fire HOW TO AVOID THE HAZARD When cleaning the s...

Page 142: ...val and installation procedures 3 Connect the tachometer to the spark plug lead and then set the idle to the specified idling speed by adjusting the throttle stop screw Turn the screw in direction a to increase the engine speed and in direc 1 Throttle stop screw 4 Install the panel EBU00303 Valve clearance adjustment The correct valve clearance changes with use resulting in improper fuel air suppl...

Page 143: ...ling 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 a Throttle lever free play U5VH10 book Page 34 Thursday May 16 2002 2 18 PM ...

Page 144: ... brake pads See page 8 44 for removal proce EBU00313 Rear brake shoe inspection A wear indicator is provided on the rear brake This indicator allows checking of brake shoe wear without disassembling the brake Apply the rear brake and check the position of the in dicator If the indicator reaches the wear limit line ask a Yamaha dealer to replace shoes as a set 1 Wear limit line 2 Wear indicator U5V...

Page 145: ...e precautions When checking the fluid level make sure the top of the brake fluid reservoir is level by turning the handlebars Use only the designated quality brake fluid Otherwise the rubber seals may deterio rate causing leakage and poor brake per formance Refill with the same type of brake fluid Mix ing fluids may result in a harmful chemical reaction and lead to poor brake perfor mance Be caref...

Page 146: ...Yamaha service personnel Have a Yamaha dealer replace the following components during periodic maintenance or when they are damaged or leaking Replace the oil seals every two years Replace the brake hoses every four years EBU01187 Front brake lever free play The front brake lever should have a free play of zero mm zero in at the lever end If not have a Yamaha dealer check the brake sys tem a Front...

Page 147: ...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 brakes do not drag Make sure the brakes are not spongy All air must be bled from the brake system Replacement of brake components re U5VH10 book Page 38 Thursday May 16 2002 2 18 PM ...

Page 148: ... 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 free play is 20 30 mm 0 8 1 18 in a Brake pedal free play U5VH10 book Page 39 Thursday May 16 2002 2 18 PM ...

Page 149: ...e 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 lever cable a Gap U5VH10 book Page 40 Thursday May 16 2002 2 18 PM ...

Page 150: ...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 brakes do not drag Replacement of brake components re quires professional knowledge These procedures should be performed by a Yamaha dealer U5VH10 book Page...

Page 151: ...ake light switch as follows 1 Remove panel B See page 8 8 for pan el removal and installation procedures 2 Turn the adjusting nut while holding the rear brake light switch in place To make the brake light come on earlier turn the adjusting nut in direction a To make the brake light come on later turn the adjust ing nut in direction b 3 Install the panel 1 Rear brake light switch 2 Adjusting nut U5...

Page 152: ...e 8 8 for panel removal and installation procedures _ WARNING POTENTIAL HAZARD Damaged control cables WHAT CAN HAPPEN Corrosion can result when the outer covering of control cables becomes damaged Cables can also become frayed or kinked Operation of controls could be restricted which could cause an accident or injury HOW TO AVOID THE HAZARD Inspect cables frequently Replace dam aged cables Recomme...

Page 153: ...2 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 Nut 4 U5VH10 book Page 44 Thursday May 16 2002 2 18 PM ...

Page 154: ...ered side towards the wheel The arrow mark on the tire must point toward the rotating direction of the wheel _ 2 Lower the ATV so that the wheel is on the ground 1 Tapered nut 4 3 Tighten the wheel nuts to the specified torque Wheel nut torque Front 55 Nm 5 5 m kgf 40 ft lbf Rear 55 Nm 5 5 m kgf 40 ft lbf U5VH10 book Page 45 Thursday May 16 2002 2 18 PM ...

Page 155: ... CAN HAPPEN You could be poisoned You could be HOW TO AVOID THE HAZARD Avoid contact with skin eyes or cloth ing Always shield eyes when working near batteries Keep out of reach of chil dren Antidote EXTERNAL Flush with water INTERNAL Drink large quantities of wa ter or milk Follow with milk of magne sia beaten egg or vegetable oil Get prompt medical attention EYES Flush with water for 15 minutes ...

Page 156: ...sealed type battery Using a conventional battery charger may shorten the battery life 2 Always make sure the connections are correct when putting the battery back in the machine EBU00829 Fuse replacement 1 The main fuse case and the fuse box are located under the seat 2 If a fuse is blown turn off the main switch and install a new fuse of the specified amperage Then turn on the switches If the fus...

Page 157: ...in fuse 1 Headlight fuse 2 Ignition fuse 3 Auxiliary DC jack fuse 4 Signaling system fuse 5 Spare fuse 2 Specified fuses Main fuse 30 A Headlight fuse 15 A Ignition fuse 10 A U5VH10 book Page 48 Thursday May 16 2002 2 18 PM ...

Page 158: ...e bulb holder cover at the rear of the headlight by pulling it off 1 Headlight bulb holder cover WARNING POTENTIAL HAZARD Using an improper fuse WHAT CAN HAPPEN An improper fuse can cause damage to the electrical system which could lead to a fire HOW TO AVOID THE HAZARD Always use a fuse of the specified rat ing Never use a material in place of the proper fuse U5VH10 book Page 49 Thursday May 16 2...

Page 159: ...to the bulb holder push it in and then turn it clock wise until it stops 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 Wait for the bulb to cool before touching or removing it U5VH10 book Page 50 Thursday May 16 2002 2 18 P...

Page 160: ...se the transparency of the glass the luminos ity of the bulb and the bulb life will be ad versely affected Thoroughly clean off any dirt and fingerprints on the headlight bulb 5 Install the bulb holder by turning it clock wise 6 Install the bulb holder cover at the rear of the headlight U5VH10 book Page 51 Thursday May 16 2002 2 18 PM ...

Page 161: ...is adjustment _ To raise the beam turn the adjusting screw in direction a To lower the beam turn the adjusting screw in direction b EBU01105 Tail brake light bulb replacement If the tail brake light bulb burns out have a Yamaha dealer replace it U5VH10 book Page 52 Thursday May 16 2002 2 18 PM ...

Page 162: ...rience and know how to properly service your machine Use only genuine Yamaha parts on your machine Imitation parts may look like Yamaha parts but they are often inferior Consequently they have a shorter service life and can lead to ex pensive repair bills WARNING POTENTIAL HAZARD Checking the fuel system while smok ing or near an open flame WHAT CAN HAPPEN Fuel can ignite or explode causing se ver...

Page 163: ...se the electric starter to see if there is compression There is compression Compression normal No compression Ask a Yamaha dealer to inspect 3 Ignition Remove the spark plug and check electrodes Wet Wipe clean with dry cloth Dry Attach spark plug cap and ground to chassis Use the electric starter Spark is good Ignition system is normal Spark is weak Adjust the spark plug gap Check the fuel flow Tu...

Page 164: ...hick rag over the cap Allow any re maining pressure to escape before completely removing the cap Wait until the engine has cooled Check the coolant level in the coolant reservoir and or radiator Level is OK Level is low check the cooling system for leakage No leakage Leakage Ask a Yamaha dealer to inspect and repair the cooling system Add coolant See NOTE Restart the engine If the engine overheats...

Page 165: ...r to the wheel axles 3 Rinse the dirt and degreaser off with a garden hose Use only enough pressure to do the job CAUTION Excessive water pressure may cause wa ter seepage and deterioration of wheel bearings brakes transmission seals and electrical devices Many expensive repair bills have resulted from improper high pressure detergent applications such as those available in coin operated car wash ...

Page 166: ...aint or protective finish When finished start the engine and let it idle for several minutes WARNING POTENTIAL HAZARD Operation with wet brakes after wash ing WHAT CAN HAPPEN Wet brakes may have reduced stopping ability increasing the chance of an acci dent HOW TO AVOID THE HAZARD Test the brakes after washing Apply the brakes several times at slow speeds to let friction dry out the linings U5VH10...

Page 167: ...ablespoon of SAE 10W30 or 20W40 motor oil in the spark plug hole and rein stall the spark plug Ground the spark plug wire and turn the engine over seve ral times to coat the cylinder wall with oil 3 Lubricate all control cables 4 Block up the frame to raise all wheels off the ground 5 Tie a plastic bag over the exhaust pipe outlet to prevent moisture from entering 6 If storing in a humid or salt a...

Page 168: ...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 U5VH10 book Page 4 Thursday May 16 2002 2 18 PM ...

Page 169: ...eight 827 mm 32 6 in Wheelbase 1 233 mm 48 5 in Ground clearance 245 mm 9 65 in Minimum turning radius 3 000 mm 118 1 in Basic weight With oil and full fuel tank 250 kg 551 lb Engine Engine type Liquid cooled 4 stroke SOHC Cylinder arrangement Forward inclined single cylinder Displacement 401 cm3 Bore stroke 84 5 71 5 mm 3 33 2 81 in U5VH10 book Page 1 Thursday May 16 2002 2 18 PM ...

Page 170: ...0 20 30 40 50 C YAMALUBE 4 20W40 or SAE 20W40 CAUTION In order to prevent clutch slippage since the en gine oil also lubricates the clutch do not mix any chemical additives Do not use oils with a diesel specification of CD or oils of a higher quality than specified In addition do not use oils labeled ENERGY CONSERVING II or higher U5VH10 book Page 2 Thursday May 16 2002 2 18 PM ...

Page 171: ... 0 23 US qt Radiator capacity including all routes 1 3 L 1 2 Imp qt 1 4 US qt Air filter Wet element Fuel Type UNLEADED GASOLINE ONLY Fuel tank capacity 15 L 3 3 lmp gal 4 0 US gal Fuel reserve amount 4 5 L 0 99 lmp gal 1 19 US gal Carburetor Type quantity BSR33 1 Manufacturer MIKUNI Model YFM400A U5VH10 book Page 3 Thursday May 16 2002 2 18 PM ...

Page 172: ...V belt Secondary reduction system Spur gear Secondary reduction ratio 39 24 24 18 33 9 7 944 Transmission type V belt automatic Operation Left hand operation Reverse gear 29 17 1 706 Chassis Frame type Steel tube frame Caster angle 4 Trail 21 mm 0 83 in Tire Type Tubeless Size front AT25 8 12 Model YFM400A U5VH10 book Page 4 Thursday May 16 2002 2 18 PM ...

Page 173: ...le wishbone Rear suspension Swingarm monocross Shock absorber Front shock absorber Coil spring oil damper Rear shock absorber Coil spring oil damper Wheel travel Front wheel travel 160 mm 6 3 in Rear wheel travel 180 mm 7 09 in Electrical Ignition system DC C D I Generator system A C magneto Battery type YTX14AH Model YFM400A U5VH10 book Page 5 Thursday May 16 2002 2 18 PM ...

Page 174: ... 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 Meter lighting 14 V 3 W 1 Fuse Main fuse 30 A Headlight fuse 15 A Ignition fuse 10 A Auxiliary DC jack fuse 10 A Signaling system fuse 10 A Model YFM400A U5VH10 book Page 6 Thursday May 16 2002 2 18 PM ...

Page 175: ...U5VH10 book Page 7 Thursday May 16 2002 2 18 PM ...

Page 176: ...se 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 AMONG THOSE ACTS PRESUMED TO CONSTITUTE TAMPERING ARE THE ACTS LISTED BELOW These acts include tampering with the following systems i e modification removal etc Exhaust system Muff...

Page 177: ...th 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 ACL 02E MAINTENANCE INTERVAL DATE OF SERVICE SERVICING DEALER NAME AND ADDRESS REMARKS 1 Month 3 Months 6 Months 12 Months 18 Months 24 Months 30 Months 36 Months 42 Months 48 Months 54 Months U5VH10 book Page 1 Thursday May 16 2002 2 18 PM ...

Page 178: ...EBU00432 YAMAHA MOTOR CORPORATION U S A ATV LIMITED WARRANTY U5VH10 book Page 1 Thursday May 16 2002 2 18 PM ...

Page 179: ...1 2 3 4 5 6 7 8 9 10 11 12 13 U5VH10 book Page 2 Thursday May 16 2002 2 18 PM ...

Page 180: ...EBU00435 YAMAHA EXTENDED SERVICE Y E S U5VH10 book Page 1 Thursday May 16 2002 2 18 PM ...

Page 181: ...1 2 3 4 5 6 7 8 9 10 11 12 13 U5VH10 book Page 2 Thursday May 16 2002 2 18 PM ...

Page 182: ...EBU00437 U5VH10 book Page 3 Thursday May 16 2002 2 18 PM ...

Page 183: ...EBU00438 ...

Page 184: ...Card fm Page 1 Monday April 8 2002 3 23 PM ...

Page 185: ...Card fm Page 2 Monday April 8 2002 3 23 PM ...

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