Yamaha YFZ450D User Manual

READ THIS MANUAL CAREFULLY!

It contains important safety information.

LIRE ATTENTIVEMENT CE MANUEL!

Il comprend d’importantes informations de sécurité.

¡LEA ESTE MANUAL ATENTAMENTE!

Contiene indicaciones importantes acerca de la seguridad.

OWNER’S MANUAL
MANUEL DU PROPRIÉTAIRE
MANUAL DEL PROPIETARIO

YFZ450D

1PD-28199-61

PRINTED ON RECYCLED PAPER
IMPRIMÉ SUR PAPIER RECYCLÉ
IMPRESO EN PAPEL RECICLADO

PRINTED IN JAPAN

2012.02-0.6×1 CR
(E,F,S)

READ THIS MANUAL CAREFULLY!

It contains important safety information.

OWNER’S MANUAL

YFZ450D

WARNING

This ATV should not be ridden by anyone under 16 years of age.

1PD-28199-61-E0

EBU29122

EN15997, ANSI/SVIA 1-2010

General Manager
RV Engineering Division
Recreational Vehicle Business Unit
Business Development Operations
YAMAHA MOTOR CO., LTD.

17 January, 2012

We, YAMAHA MOTOR CO., LTD. 2500 Shingai, Iwata, Japan,

declare in sole responsibility, that the product

(Make, model)

(If applicable)

and to the other relevant Directives of EEC

2004/108/EC

(Title and/or number and date of issue of the other Directives of EEC)

(If applicable)

YAMAHA MOTOR EUROPE N.V.

Koolhovenlaan 101, 1119 NC Schiphol-Rijk, The Netherlands

Signature

Eiji Katou

Date of Issue

to which this declaration applies, conforms to the essential health
and safety requirements of Directive 2006/42/EC

To effect correct application of the essential health and safety requirements
stated in the Directives of EEC, the following-standards and/or technical
specifications were consulted:

(Title and/or number and date of issue of standards and/or specifications)

Authorized Representative

EC Declaration of Conformity

conforming to Directive 2006/42/EC

YFZ450 (YFZ450) (JY4AJ60W0C0000421–)

Read this manual carefully before operating this vehicle. This manual should stay with this ve-

hicle if it is sold.

EBU17170

INTRODUCTION

EBU17322

Congratulations on your purchase of the Yamaha YFZ450D. This ATV represents the result of many years
of Yamaha experience in the production of fine sporting, touring, and pacesetting racing machines. With the
purchase of this Yamaha, you can now appreciate the high degree of craftsmanship 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 the ATV. It also includes basic maintenance and inspection proce-

dures. 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 completely before operating your ATV. Make sure you understand all instructions.

● Pay close attention to the warning and notice labels on the ATV.

● This ATV should not be ridden by anyone under 16 years of age.

● This ATV is a high-performance ATV for off-road use only, for sport-type recreational and competitive use

by experienced operators.

EBU17330

WARNING

NOTICE

TIP

IMPORTANT MANUAL INFORMATION

EBU17342

FAILURE TO FOLLOW THE WARNINGS CONTAINED IN THIS MANUAL CAN RESULT IN SERIOUS IN­JURY OR DEATH.
Particularly important information is distinguished in this manual by the following notations:

This is the safety alert symbol. It is used to alert you to potential per­sonal injury hazards. Obey all safety messages that follow this sym­bol to avoid possible injury or death.

A WARNING indicates a hazardous situation which, if not avoided,
could result in death or serious injury.

A NOTICE indicates special precautions that must be taken to avoid
damage to the vehicle or other property.

A TIP provides key information to make procedures easier or clearer.

* Product and specifications are subject to change without notice.

EBU17350

IMPORTANT NOTICE

EBU17372

This ATV is designed and manufactured for use on unpaved surfaces only. It is unsafe to operate this ATV
on any paved surface, paved street, paved road or motorway.
Please check your local riding laws and regulations before operating this ATV.

EBU17390

YFZ450D

OWNER’S MANUAL

©2012 by Yamaha Motor Co., Ltd.

1st edition, February 2012

All rights reserved.

Any reprinting or unauthorized use

without the written permission of

Yamaha Motor Co., Ltd.
is expressly prohibited.

Printed in Japan.

EBU17420

TABLE OF CONTENTS

LOCATION OF THE WARNING AND

SPECIFICATION LABELS ............................ 1-1

SAFETY INFORMATION .............................. 2-1

DESCRIPTION .............................................. 3-1

Left view ...................................................... 3-1

Right view.................................................... 3-1

Controls and instruments ............................ 3-2

INSTRUMENT AND CONTROL

FUNCTIONS .................................................. 4-1

Main switch ................................................ 4-1

Indicator light and warning light .................. 4-2

Handlebar switches .................................... 4-3

Throttle lever .............................................. 4-3

Speed limiter .............................................. 4-4

Clutch lever ................................................ 4-5

Brake lever ................................................. 4-5

Brake pedal ................................................ 4-6

Parking brake lever .................................... 4-6

Shift pedal .................................................. 4-7

Fuel tank cap .............................................. 4-8

Fuel ............................................................ 4-8

Fuel cock ..................................................4-10

Starter (choke) ..........................................4-11

Seat ..........................................................4-12

Adjusting the front shock absorber

assemblies ..............................................4-13

Adjusting the rear shock absorber

assembly .................................................4-14

PRE-OPERATION CHECKS ..........................5-1

Fuel .............................................................5-4

Engine oil ....................................................5-4

Coolant .......................................................5-4

Front and rear brakes .................................5-4

Throttle lever ...............................................5-5

Drive chain ..................................................5-5

Tires ............................................................5-5

Chassis fasteners .......................................5-7

Instruments, lights and switches .................5-7

OPERATION...................................................6-1

Starting a cold engine .................................6-1

Starting a warm engine ...............................6-3

Shifting ........................................................6-3

Engine break-in ...........................................6-5

Parking ....................................................... 6-5

Parking on a slope ..................................... 6-6

Accessories and loading ............................ 6-7

RIDING YOUR ATV ...................................... 7-1

GETTING TO KNOW YOUR ATV............... 7-2

RIDE WITH CARE AND GOOD

JUDGMENT .............................................. 7-2

BE CAREFUL WHERE YOU RIDE............. 7-9

TURNING YOUR ATV .............................. 7-12

CLIMBING UPHILL ................................... 7-13

RIDING DOWNHILL.................................. 7-16

CROSSING A SLOPE............................... 7-18

CROSSING THROUGH SHALLOW

WATER ................................................... 7-19

RIDING OVER ROUGH TERRAIN ........... 7-20

SLIDING AND SKIDDING ......................... 7-21

WHAT TO DO IF... .................................... 7-22

WHAT TO DO... ........................................ 7-22

PERIODIC MAINTENANCE AND

ADJUSTMENT ............................................... 8-1

Owner’s manual and tool kit ....................... 8-2

Periodic maintenance chart

for the emission control system ................ 8-3

General maintenance and lubrication

chart ......................................................... 8-5

Removing and installing the panel ..............8-9

Checking the spark plug ...........................8-10

Engine oil and oil filter element .................8-14

Coolant .....................................................8-20

Cleaning the air filter element ...................8-24

Cleaning the spark arrester ......................8-28

Adjusting the carburetor ............................8-30

Checking the engine idling speed .............8-30

Adjusting the throttle lever free play .........8-31

Valve clearance ........................................8-31

Brakes .......................................................8-32

Checking the front and rear brake pads ...8-32

Checking the brake fluid level ...................8-33

Changing the brake fluid ...........................8-36

Checking the front brake lever free play ...8-36

Checking the brake pedal height ..............8-36

Adjusting the parking brake free play .......8-37

Brake light switches ..................................8-38

Adjusting the clutch lever free play ...........8-39

Drive chain slack .......................................8-41

Lubricating the drive chain ........................8-43

Checking and lubricating the cables .........8-43

Checking and lubricating the brake and

clutch levers ............................................8-44

Checking the shift pedal ...........................8-45

Checking and lubricating the brake

pedal .......................................................8-45

Checking the wheel hub bearings ............ 8-45

Lubricating the swingarm pivots ............... 8-46

Lubricating the upper and lower arm

pivots ...................................................... 8-46

Lubricating the steering shaft ................... 8-47

Battery ...................................................... 8-48

Replacing the fuse ................................... 8-50

Replacing a headlight bulb ....................... 8-51

Adjusting a headlight beam ...................... 8-53

Replacing the tail/brake light bulb ............ 8-53

Removing a wheel .................................... 8-54

Installing a wheel ...................................... 8-55

Troubleshooting ....................................... 8-56

Troubleshooting charts ............................. 8-57

CLEANING AND STORAGE .......................... 9-1

Cleaning ..................................................... 9-1

Storage ....................................................... 9-2

SPECIFICATIONS ...................................... 10-1

CONSUMER INFORMATION ...................... 11-1

Identification numbers .............................. 11-1

EBU29680

312 45 86,7

LOCATION OF THE WARNING AND SPECIFICATION LABELS

EBU29992

Read and understand all of the labels on your ATV. These labels contain important information for safe and
proper operation.
Never remove any labels from your ATV. If a label becomes difficult to read or comes off, request a replace­ment label from your Yamaha dealer.

For Europe

1

1-1

1

1PD-2811R-00

43P-2816R-01

5TG-2415E-00

Use

PREMIUM unleaded gasoline with min. 97 octane (RON).
Nur Super Bleifrei mit Mindestoktanzahl 97 (ROZ) tanken.
Utilice gasolina sin plomo que tenga como mínimo 97 octanos

(RON).

Utiliser

une essence SUPER sans plomb d'un indice

d'octane (RON) de min. 97.
Utilizzare benzina PREMIUM super senza piombo con almeno 97

ottani(RON).
Gebruik loodvrije

SUPERBENZINE met een octaangetal (RON) van
minstens 97.
Utilize gasolina sem chumbo com índice de octano mínimo de 97 (RON).

Använd blyfri PREMIUMBENSIN av 97 oktan (RON) eller mer.

12

3

1-2

1

27.5 kPa

0.75 kgf/cm²

4.0 psi

30.0 kPa

0.30 kgf/cm²

4.4 psi

5D3-2816M-M0

4AA-22259-40

1PD-2156A-10

YFZ450

30.5 kW 174 kg

8AC-2817L-00

YAMAHA MOTOR CO., LTD.
2500 SHINGAI, IWATA, JAPAN

2012

1AS-2816P-00

5

4

8

6

7

1-3

Familiarize yourself with the following pictograms and read the explanatory text, then make sure to check

Read the Owner’s manual.

ALWAYS use an approved helmet and
protective gear.

For ATV Type 1 category Y12, use from 12
years old.
Operation of this ATV by children under the
age of 12 increases the risk of severe injury
or death.
Adult supervision required for children under
age 16.

Use from 16 years old.
Operating this ATV if you are under the age
of 16 increases your chance of severe injury
or death.

NEVER use on paved roads.

NEVER carry passengers.

NEVER use with drugs or alcohol.

NEVER store fuel or flammable liquids.

the pictograms that apply to your model.

1

1-4

**.* kPa
*.** kgf/cm²

*.* psi

**.* kPa
*.** kgf/cm²

*.* psi

This pictogram shows trailer Hitch Tow
weight limit. (Combined weight of the trailer
and all cargo in the trailer.)
Overloading can cause loss of control.
Loss of control can result in severe injury or
death.

This unit contains high-pressure nitrogen
gas.
Mishandling can cause an explosion. Do not
incinerate, puncture or open.

Use unleaded gasoline only.

Measure the tire pressure when the tires are
cold.

Turning the ATV in 4WD-LOCK
(“DIFF.LOCK”) takes more effort.
Operate at a slow speed and allow extra
time and distance for maneuvers to avoid
loss of control.

Adjust the tire pressure.
Improper tire pressure can cause loss of
control.
Loss of control can result in severe injury or
death.

This pictogram shows the loading limits
and/or maximum load capacity for this ATV.
Follow all load limits and other loading
guidelines in this manual.
Load may include the driver, passenger,
human protective gear, accessories, goods,
luggage, and all other load related items.
Make sure you do not exceed the load limits.
Overloading can cause loss of control.
Loss of control can result in severe injury or
death.

This pictogram shows trailer Hitch Tongue
weight limit. (Weight on the trailer tongue.)
Overloading can cause loss of control.
Loss of control can result in severe injury or
death.

1-5

1

1

******

*** kW *** kg

1

23

YAMAHA MOTOR CO., LTD.
2500 SHINGAI, IWATA, JAPAN

****

1

1

2

3

Model Name

Max. Power

Mass In Running Order

1

Year of construction

1-6

For Oceania

312 45

6

1

1-7

1

1

2

1-8

4AA-22259-40

WARNING

OPERATING TIRE PRESSURE: Set with tires cold

•

Recommended

:

Front

:

27.5

kPa

Rear

:

30.0

kPa

•

Minimum

:

Front

:

24.5

kPa

Rear

:

27.0

kPa

•

Never set tire pressure below minimum.
It could cause the tire to dislodge from the rim.

LOADING

•

Maximum weight capacity

:

100 kg (220 lbs.)

Includes weight of operator, cargo and accessories.

Improper tire pressure or overloading can cause
loss of control.
Loss of control can result in severe injury or
death.

4.0 psi

4.4 psi

3.6 psi

4.0 psi

(
(

)
()
()

)

5D3-2816M-00

WARNING

NEVER ride as a

passenger.

Passengers can cause

a loss of control,
resulting in SEVERE
INJURY or DEATH.

5FE-2151H-01

Use

97 octane

5TG-2415E-10

PREMIUM unleaded gasoline with min.

(RON).

3

4

5

6

1

1-9

EBU17431

SAFETY INFORMATION

EBU17595

2

AN ATV IS NOT A TOY AND CAN BE HAZARD­OUS TO OPERATE.

An ATV handles differently from other vehicles, in­cluding motorcycles and cars. A collision or roll­over can occur quickly, even during routine
maneuvers such as turning and riding on hills or
over obstacles, if you fail to take proper precau­tions.
SEVERE INJURY OR DEATH can result if you do
not follow these instructions:

● Read this manual and all labels carefully and fol-

low the operating procedures described.

● Never operate an ATV without proper training or

instruction. Take a training course. Beginners
should receive training from a certified instruc­tor. Contact an authorized ATV dealer 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 an

ATV without adult supervision, and never allow
continued use of an ATV by a child if he or she
does not have the abilities to operate it safely.

● Never carry a passenger on an ATV.

● This vehicle is intended for off-road use only. Do

not operate on any paved surfaces such as:
sidewalks, driveways, parking lots, paved roads,
public streets or other motorway.

● Watch carefully for other vehicles when operat-

ing on unpaved public streets or roads. Make
sure you know your country’s laws and regula­tions before you ride on unpaved public streets
or roads.

● Never operate an ATV without wearing an ap-

proved motorcycle helmet that fits properly. You
should also wear eye protection (goggles or face
shield), gloves, boots, a long-sleeved shirt or a
jacket, and long pants.

● Never consume alcohol or drugs before or while

operating this ATV.

2-1

● Never operate at speeds too fast for your skills

or the riding conditions. Always go at a speed
that is proper for the terrain, visibility, operating
conditions, and your experience.

● Never attempt wheelies, jumps, or other stunts.

● Always inspect your ATV each time you use it to

make sure it is in safe operating condition. Al­ways follow the inspection and maintenance
procedures and schedules described in this
manual.

● Always keep both hands on the handlebars and

both feet on the footrests of the ATV during op­eration.

● Always go slowly and be extra careful when op-

erating on unfamiliar terrain. Always be alert to
changing terrain conditions when operating the
ATV.

● Never operate on excessively rough, slippery or

loose terrain until you have learned and prac­ticed the skills necessary to control the ATV on
such terrain. Always be especially cautious on
these kinds of terrain.

● Always follow proper procedures for turning as

described in this manual. Practice turning at low
speeds before attempting to turn at faster
speeds and never turn at excessive speeds.

● Never operate the ATV on hills too steep for the

ATV or for your abilities. Practice on smaller hills
before attempting larger hills.

● Always follow proper procedures for climbing

hills as described in this manual. Check the ter­rain 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.
Never go over the top of a hill at high speed.

● Always follow proper procedures for going down

hills and for braking on hills as described in this
manual. Check the terrain carefully before you
start down any hill. Shift your weight backward.
Never go down a hill at high speed. Avoid going
down a hill at an angle that would cause the ve­hicle to lean sharply to one side. Go straight
down the hill where possible.

● Always follow proper procedures for crossing

the side of a 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.

2

2-2

● Always use proper procedures if you stall or roll

backwards when climbing a hill. To avoid stall­ing, use the proper gear and maintain a steady
speed when climbing a hill. If you stall or roll

2

backwards, follow the special procedure for
braking described in this manual. Dismount on
the uphill side or to a side if pointed straight up­hill. Turn the ATV around and remount, following
the procedure described in this manual.

● Always check for obstacles before operating in a

new area.

● Never attempt to operate over large obstacles,

such as large rocks or fallen trees. Always follow
proper procedures when operating over obsta­cles as described in this manual.

● Always be careful when skidding or sliding.

Learn to safely control skidding or sliding by
practicing 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 con­trol.

● Never operate an ATV in fast flowing water or in

water deeper than that recommended in this
manual. Remember that wet brakes may have

reduced stopping ability. Test your brakes after
leaving water. If necessary, apply them several
times to let friction dry out the linings.

● Always use the size and type of tires specified in

this manual.

● Always maintain proper tire pressure as de-

scribed in this manual.

● Never exceed the stated load capacity for an

ATV. Cargo should be properly distributed and
securely attached. Reduce speed and follow in­structions in this manual for carrying cargo or
pulling a trailer. Allow greater distance for brak­ing.

● Do not operate your ATV during darkness un-

less it is equipped with a properly functioning
headlight. Off-road riding is inherently danger­ous and additionally, off-road trails do not have
streetlights to guide you.

● Never maintain an ATV without proper knowl-

edge. Contact an authorized ATV dealer to in­form you on basic ATV maintenance. Certain
maintenance can only be carried out by certified
staff.

2-3

In the event of an accident

1. If serious injuries are incurred, you may be
safer staying next to your vehicle; it may
shield you from oncoming riders. Depending
on your injuries and position in the trail; you
must make a judgment call as to whether you
should move to a position off the trail. If you
have sustained head, neck, or back injuries,
or cannot feel your limbs, you should not
move. Keep your helmet on and remain mo­tionless. Lie down next to your vehicle and
wait for help.

2. If less serious injuries are incurred and you
can walk, then move to a position off the trail.
Check yourself for injuries and apply first aid
as needed.

3. If your injuries are light, when safe to do so,
move your vehicle off the trail to avoid colli­sions with oncoming riders. Check for injuries
and apply first aid as necessary. If you can
physically operate your vehicle, inspect your
vehicle. If the vehicle is in safe operating con­dition and you can safely operate it, restart it
and ride gently back to camp or other known
location where you can receive medical atten-

tion. If necessary, contact your riding party or
local authorities to let them know where you
are and what has happened.

In the event of a breakdown

1. If your vehicle will not restart or is not in safe
operating condition, turn off the main switch
and engine stop switch. If the breakdown oc­curs at twilight or night, leave the main switch
on so that your lights may warn other riders of
your stopped vehicle.

2. Get out of danger. Check for oncoming vehi­cles and when safe, push your vehicle to the
side of the trail or even off the main trail to
avoid any possible collisions with oncoming
riders. If you cannot move your vehicle by
yourself, when safe, walk to the nearest van­tage point and signal an oncoming rider to
help you push your vehicle to a safe place off
the trail.

3. Inspect your vehicle for any immediate haz­ardous conditions. The most obvious hazard­ous conditions are leaking fuel and
ungrounded or broken wiring. Visually check
for broken wiring and leaking fuel. Leaking
fuel can be confirmed by the odor of gasoline.

2

2-4

4. Once immediate safety hazards are con­firmed not to exist, you may remove your hel­met to more closely inspect your vehicle.
Check for external signs of wear, broken

2

parts, fluid leaks, cracks in the frame, suspen­sion damage, wheel damage, and so on. Fuel,
oil, and coolant usually give off a noticeable
odor.

5. If your vehicle will not restart or if it is unsafe
to ride, then turn off all vehicle systems (en­gine stop switch, main switch, and fuel cock),
and then signal or go for help.

Aftermarket Parts, Accessories, and Modifica­tions

While you may find aftermarket products similar in
design and quality to genuine Yamaha accesso­ries, recognize that some aftermarket accessories
or modifications are not suitable because of poten­tial safety hazards to you or others. Installing after­market products or having other modifications
performed to your vehicle that change any of the
vehicle’s design or operation characteristics can
put you and others at greater risk of serious injury
or death. You are responsible for injuries related to

changes in the vehicle. Keep the following guide­lines in mind, as well as those provided under
“Loading” when mounting accessories.

● Never install accessories that would impair the

performance of your ATV. Carefully inspect the
accessory before using it to make sure that it
does not in any way reduce ground clearance,
limit suspension travel, steering travel or control
operation.

● Accessories fitted to the ATV can create instabil-

ity due to improper weight distribution.

● Bulky or large accessories may seriously affect

the stability of the ATV.

● Certain accessories can displace the operator

from his or her normal riding position. This im­proper position limits the freedom of movement
of the operator and may limit control ability,
therefore, such accessories are not recom­mended.

● Use caution when adding electrical accessories.

If electrical accessories exceed the capacity of
the ATV’s electrical system, an electric failure
could result, which could cause a dangerous
loss of lights or engine power.

2-5

WARNING

EWB00072

WARNING

Avoid Carbon Monoxide Poisoning
All engine exhaust contains carbon monoxide,
a deadly gas. Breathing carbon monoxide can
cause headaches, dizziness, drowsiness, nau­sea, confusion, and eventually death.
Carbon Monoxide is a colorless, odorless,
tasteless gas which may be present even if you
do not see or smell any engine exhaust. Deadly
levels of carbon monoxide can collect rapidly
and you can quickly be overcome and unable
to save yourself. Also, deadly levels of carbon
monoxide can linger for hours or days in en­closed or poorly ventilated areas. If you experi­ence any symptoms of carbon monoxide
poisoning, leave the area immediately, get
fresh air, and SEEK MEDICAL TREATMENT.

● Do not run engine indoors. Even if you try to

ventilate engine exhaust with fans or open
windows and doors, carbon monoxide can
rapidly reach dangerous levels.

● Do not run engine in poorly ventilated or par-

tially enclosed areas such as barns, garages,
or carports.

● Do not run engine outdoors where engine

exhaust can be drawn into a building
through openings such as windows and
doors.

2

EWB02591

When transporting the ATV in another vehicle,
be sure it is kept upright and that the fuel cock
is in the “OFF” position. Otherwise, fuel may
leak out of the carburetor or fuel tank.

2-6

EBU17680

1

2

3

4

5

6

7

8

1

2

3

4

5

6

DESCRIPTION

EBU17690

Left view

3

1. Headlights

2. Fuel cock

3. Starter (choke)

4. Fuse

5. Tail/brake light

6. Coolant reservoir

7. Shift pedal

8. Engine oil tank

EBU17700

Right view

1. Spark arrester

2. Seat

3. Fuel tank cap

4. Radiator cap

5. Oil filter element

6. Brake pedal

3-1

EBU17712

TIP

1 2 3 4 5 6

Controls and instruments

1. Clutch lever

2. Handlebar switches

3. Parking brake

4. Main switch

5. Throttle lever

6. Brake lever

The ATV you have purchased may differ slightly
from the figures shown in this manual.

3

3-2

EBU17733

OFF ON

1

INSTRUMENT AND CONTROL FUNCTIONS

EBU17760

Main switch

The positions of the main switch are as follows:

ON

All electrical systems are supplied with power. The

4

headlights and taillight come on when the light
switch is on, and the engine can be started. The
key cannot be removed.

OFF

All electrical systems are off. The key can be re­moved.

1. Main switch

4-1

EBU17805

NOTICE

1

2

Indicator light and warning light

1. Neutral indicator light “N”

2. Coolant temperature warning light “ ”

EBU17860

Neutral indicator light “ ”

This indicator light comes on when the transmis­sion is in the neutral position.

EBU17930

Coolant temperature warning light “ ”

This warning light comes on when the engine over­heats. When this occurs during operation, stop the
engine as soon as it is safe to do so and allow it to
cool down for about 10 minutes.

The electrical circuit of the warning light can be
checked according to the following procedure.

1. Set the engine stop switch to “ ” and turn
the key to “ON”.

2. Shift the transmission into the neutral position
or pull the clutch lever.

3. Push the start switch. If the warning light does
not come on while the start switch is pushed,
have a Yamaha dealer check the electrical cir­cuit.

ECB00010

● The engine may overheat if the ATV is over-

loaded. In this case, reduce the load to spec­ification.

● Start the engine after making sure that the

warning light is out. Continuous use while
the warning light is on may cause damage to
the engine.

4

4-2

EBU18061

NOTICE

1

2
3

Handlebar switches

4

EBU18101

Start switch “ ”

Push this switch to crank the engine with the start­er. See the starting instructions on page 6-1 prior
to starting the engine.

EBU18154

Light switch “ / /OFF”

Set this switch to “ ” to turn on the low beams
and the taillight. Set the switch to “ ” to turn on
the high beams and the taillight. Set the switch to
“OFF” to turn off all the lights.

ECB00043

1. Light switch “ / /OFF”

2. Engine stop switch “ / ”

3. Start switch “ ”

EBU18080

Engine stop switch “ / ”

Set this switch to “ ” before starting the engine.
The engine stop switch controls the ignition and
stops the engine when it is running. Use this switch
to stop the engine in an emergency situation. The
engine will not start or run when this switch is set
to “ ”.

Do not use the headlights with the engine
turned off for an extended period of time, oth­erwise the battery may discharge to the point
that the starter motor will not operate properly.
If this should happen, remove the battery and
recharge it. (See page 8-48.)

EBU18282

Throttle lever

Once the engine is running, pushing the throttle le­ver will increase the engine speed.

4-3

Regulate the speed of the ATV by varying the
throttle position. Because the throttle is spring­loaded, the ATV will decelerate, and the engine will
return to an idle any time the throttle lever is re­leased.

1. Throttle lever

Before starting the engine, check the throttle to be
sure it is operating smoothly. Make sure it returns
to the idle position as soon as the lever is released.

EBU18323

Speed limiter

Your ATV is equipped with an adjustable speed
limiter. The speed limiter keeps the throttle from
fully opening, even when the throttle lever is
pushed to the maximum.

1. Loosen the locknut.

2. To increase the maximum engine power avail­able and the maximum speed of the ATV, turn
the adjusting screw in direction (a). To de­crease the maximum engine power available
and the maximum speed of the ATV, turn the
adjusting screw in direction (b). Do not turn
the adjusting screw out more than 12 mm
(0.47 in) or the throttle cable could be dam­aged. Always make sure the throttle lever free
play is adjusted to 2.0–4.0 mm (0.08–0.16 in).
(See page 8-31.) WARNING! Improper ad-

justment of the speed limiter and throttle
could cause throttle cable damage or im­proper throttle operation. You could lose
control, resulting in an accident.

[EWB00241]

4

4-4

4

3

1

2

(a)

(b)

1. Locknut

2. Adjusting screw

3. No more than 12 mm (0.47 in)

3. Tighten the locknut.

EBU18382

Clutch lever

The clutch lever is located on the left handlebar
and the ignition circuit cut-off system is incorporat­ed in the clutch lever holder. To disengage the
clutch, pull the clutch lever toward the handlebar
grip. To engage the clutch, release the clutch lever.
The clutch lever should be pulled rapidly and re­leased slowly for smooth clutch operation. (See
page 6-1 for a description of the ignition circuit cut­off system.)

1. Clutch lever

EBU18411

Brake lever

The brake lever is located at the right handlebar
grip. To apply the front brake, pull the brake lever
toward the handlebar grip.

4-5

4

1

1

1. Brake lever

EBU18432

Brake pedal

The brake pedal is located on the right side of the
ATV. To apply the rear brake, push down on the
brake pedal.

1. Brake pedal

EBU18520

Parking brake lever

Use the parking brake before starting the engine or
parking the ATV, especially on a slope. To apply
the parking brake, move the parking brake lever in
direction (a). To release the parking brake, move
the parking brake lever in direction (b).

4-6

4

WARNING

1. Parking brake lever (locked position)

1. Parking brake lever (unlocked position)

EWB00220

● Always set the parking brake before starting

the engine. The ATV could start moving un­expectedly if the parking brake is not ap­plied. This could cause loss of control or a
collision.

● Always be sure you have released the park-

ing brake before you begin to ride. The brake
could overheat if you ride the ATV without re­leasing the parking brake. You could lose
braking performance which could cause an
accident. You could also wear out the brakes
prematurely.

EBU18530

Shift pedal

This ATV is equipped with a constant-mesh 5­speed transmission. The shift pedal is located on
the left side of the engine and is used in combina­tion with the clutch when shifting.

4-7

4

WARNING

1

1

1. Shift pedal

EBU18720

Fuel tank cap

Remove the fuel tank cap by turning it counter­clockwise.

1. Fuel tank cap

EBU18814

Fuel

Make sure there is sufficient gasoline in the tank.

EWB02521

Gasoline and gasoline vapors are extremely
flammable. To avoid fires and explosions and
to reduce the risk of injury when refueling, fol­low these instructions.

1. Before refueling, turn off the engine and be
sure that no one is sitting on the vehicle. Nev­er refuel while smoking, or while in the vicinity

4-8

of sparks, open flames, or other sources of ig-

WARNING

nition such as the pilot lights of water heaters
and clothes dryers.

2. Do not overfill the fuel tank. When refueling,
be sure to insert the pump nozzle into the fuel
tank filler hole. Stop filling when the fuel reach­es the bottom of the filler tube. Because fuel

4

expands when it heats up, heat from the en­gine or the sun can cause fuel to spill out of
the fuel tank.

1. Maximum fuel level

2. Fuel tank filler tube

Recommended fuel:

PREMIUM UNLEADED GASOLINE ONLY
For Europe: PREMIUM UNLEADED GASO­LINE ONLY with a research octane number
of 97 or higher

Fuel tank capacity:

10.0 L (2.64 US gal, 2.20 Imp.gal)

Fuel reserve amount:

1.9 L (0.50 US gal, 0.42 Imp.gal)

3. Wipe up any spilled fuel immediately.

NOTICE: Immediately wipe off spilled fuel
with a clean, dry, soft cloth, since fuel may
deteriorate painted surfaces or plastic

[ECB00981]

parts.

4. Turn the fuel tank cap fully clockwise to make
sure it is securely closed.

EWB02531

Gasoline is poisonous and can cause injury or
death. Handle gasoline with care. Never siphon
gasoline by mouth. If you should swallow
some gasoline or inhale a lot of gasoline vapor,
or get some gasoline in your eyes, see your

4-9

doctor immediately. If gasoline spills on your

NOTICE

1

skin, wash with soap and water. If gasoline
spills on your clothing, change your clothes.

ECB00070

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 use
premium unleaded gasoline with a research oc­tane number of 97 or higher. If knocking (or ping­ing) occurs, use a gasoline of a different brand.
Use of unleaded fuel will extend spark plug life and
reduce maintenance costs.

EBU18820

Fuel cock

The fuel cock supplies fuel from the tank to the car­buretor while also filtering it.
The fuel cock lever positions are explained as fol­lows and shown in the illustrations.

OFF

4

1. Arrow mark positioned over “OFF”

With the fuel cock lever in this position, fuel will not
flow. Always turn the fuel cock lever to this position
when the engine is not running.

4-10

ON

1

1

RES

4

1. Arrow mark positioned over “ON”

With the fuel cock lever in this position, fuel flows
to the carburetor. Turn the fuel cock lever to this
position when starting the engine and riding.

1. Arrow mark positioned over “RES”

This indicates reserve. With the fuel cock lever in
this position, the fuel reserve is made available.
Turn the fuel cock lever to this position if you run
out of fuel while riding. When this occurs, refuel as
soon as possible and be sure to turn the fuel cock
lever back to “ON”!

EBU18840

Starter (choke)

Starting a cold engine requires a richer air-fuel mix­ture, which is supplied by the starter (choke).
Move the starter (choke) in direction (a) to turn on
the starter (choke).

4-11

Move the starter (choke) in direction (b) to turn off

1

(a)

(b)

1

the starter (choke).
See the “Starting a cold engine” section on page
6-1 for proper operation.

1. Starter (choke)

EBU18892

Seat

To remove the seat

Insert your hand under the rear fender near the
rear of the seat, pull the seat lock lever and pull up
the seat at the rear.

4

1. 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. Make sure that the seat is securely fitted.

4-12

4

WARNING

TIP

1

2

1

2

3

4

5

(a)

(b)

1

2

3

1. Projection

2. Seat holder

EBU18993

Adjusting the front shock absorber as­semblies

The spring preload can be adjusted to suit the rid­er’s weight and the riding conditions.

EWB00400

Always adjust the shock absorber assemblies
on the left and right side to the same setting.
Uneven adjustment can cause poor handling
and loss of stability, which could lead to an ac­cident.

Adjust the spring preload as follows.
Turn the spring preload adjusting ring in direction
(a) to increase the spring preload and thereby
harden the suspension, and in direction (b) to de­crease the spring preload and thereby soften the
suspension.
Align the appropriate notch in the adjusting ring
with the position indicator on the shock absorber.

1. Spring preload adjusting ring

2. Special wrench

3. Position indicator

A special wrench can be obtained at a Yamaha
dealer to make this adjustment.

4-13

NOTICE

Spring preload setting:

1

2

Minimum (soft):

1

Standard:

2

Maximum (hard):

5

EBU30620

Adjusting the rear shock absorber as­sembly

The spring preload can be adjusted to suit the rid­er’s weight and the riding conditions.

ECB01090

Never turn the adjusting mechanism beyond
the minimum and maximum settings.

Adjust the spring preload as follows.

1. Remove the seat. (See page 4-12.)

2. Disconnect the hose, and then remove the
hose joint from the air filter case.

4

1. Hose

2. Hose joint

3. Disconnect the hose from the air intake duct,
and then loosen the clamp screw at the carbu­retor side.

4-14

4

1

2

3

2

1

1. Hose

2. Clamp screw

3. Air intake duct

4. Remove the bolts, and then remove the air fil­ter case by disconnecting the air intake duct
from the carburetor.

1. Bolt

2. Air filter case

5. Loosen the locknut.

6. Turn the spring preload adjusting nut in direc­tion (a) to increase the spring preload and
thereby harden the suspension, and in direc­tion (b) to decrease the spring preload and
thereby soften the suspension.

4-15

TIP

2

1

(a)

(b)

3

1

1. Spring preload adjusting nut

2. Locknut

3. Special wrench

● A special wrench can be obtained at a Yamaha

dealer to make this adjustment.

● The spring preload setting is determined by

measuring distance A, shown in the illustration.
The shorter distance A is, the higher the spring
preload; the longer distance A is, the lower the
spring preload. With each complete turn of the
adjusting nut, distance A is changed by 1.5 mm
(0.06 in).

Spring preload setting:

Minimum (soft):

Distance A = 264.0 mm (10.39 in)

Standard:

Distance A = 257.0 mm (10.12 in)

Maximum (hard):

Distance A = 250.0 mm (9.84 in)

1. Distance A

7. Tighten the locknut to the specified torque.

NOTICE: Always tighten the locknut
against the adjusting nut, and then tighten
it to the specified torque.

4-16

[ECB00081]

4

WARNING

Tightening torque:

Locknut:

44 Nm (4.4 m·kgf, 32 ft·lbf)

8. Place the air filter case in the original position,
connect the air intake duct, and then tighten
the clamp screw at the carburetor side.

4

NOTICE: Make sure that the air intake duct
is properly connected to the carburetor,
and that the clamp screw is tightened se­curely.

[ECB01170]

9. Install the bolts, install the hose joint, and then
connect the hoses.

10. Install the seat.

EWB00450

This shock absorber assembly contains highly
pressurized nitrogen gas. If the shock absorb­er assembly is damaged, it could explode
causing injury or property damage. Shock ab­sorber cylinder damage could also result in
poor handling which could cause an accident.

● Do not tamper with or attempt to open the

cylinder assembly.

● Do not subject the shock absorber assembly

to an open flame or other high heat.

● Do not deform or damage the cylinder in any

way.

● Do not dispose of a damaged or worn out

shock absorber assembly yourself. Take the
shock absorber assembly to a Yamaha deal­er for any service.

4-17

EBU19201

WARNING

PRE-OPERATION CHECKS

EBU19224

Inspect your vehicle each time you use it to make sure the vehicle is in safe operating condition. Always
follow the inspection and maintenance procedures and schedules described in the Owner’s Manual.

EWB00481

Failure to inspect or maintain the vehicle properly increases the possibility of an accident or equip­ment damage. Do not operate the vehicle if you find any problem. If a problem cannot be corrected
by the procedures provided in this manual, have the vehicle inspected by a Yamaha dealer.

Before using this vehicle, check the following points:

ITEM ROUTINE PAGE

Fuel

Engine oil

Coolant

• Check fuel level in fuel tank, and add recommended fuel if neces­sary.

• Check fuel line for leakage. Correct if necessary.

• Check oil level in engine oil tank, and add recommended oil to spec­ified level if necessary.

• Check ATV for oil leakage. Correct if necessary.

• Check coolant level in reservoir, and add recommended coolant to
specified level if necessary.

• Check cooling system for leakage. Correct if necessary.

4-8, 5-4

5-4, 8-14

5-4, 8-20

5

5-1

ITEM ROUTINE PAGE

• Check operation. If soft or spongy, have Yamaha dealer bleed hy­draulic system.

Front brake

Rear brake

5

Clutch

Throttle lever

Control cables • Make sure that operation is smooth. Lubricate if necessary. 8-43

Drive chain

Wheels and tires

Shift pedal

Brake pedal

• Check brake pads for wear, and replace if necessary.

• Check brake fluid level in reservoir, and add specified brake fluid to
specified level if necessary.

• Check hydraulic system for leakage. Correct if necessary.

• Check operation. If soft or spongy, have Yamaha dealer bleed hy­draulic system.

• Check brake pads for wear, and replace if necessary.

• Check brake fluid level in reservoir, and add specified brake fluid to
specified level if necessary.

• Check hydraulic system for leakage. Correct if necessary.

• Check operation, and correct if necessary.

• Lubricate cable if necessary.

• Check lever free play, and adjust if necessary.

• Make sure that operation is smooth. Lubricate cable and lever hous­ing if necessary.

• Check lever free play, and adjust if necessary.

• Check chain slack, and adjust if necessary.

• Check chain condition. Lubricate if necessary.

• Check wheel condition, and replace if damaged.

• Check tire condition and tread depth. Replace if necessary.

• Check air pressure. Correct if necessary.

• Make sure that operation is smooth.

• Correct if necessary.

• Make sure that operation is smooth. Lubricate pedal pivoting point if
necessary.

5-4, 8-32, 8-33, 8-36

5-4, 8-32, 8-33, 8-36

8-39

5-5, 8-31

5-5, 8-41, 8-43

5-5

8-45

8-45

5-2

ITEM ROUTINE PAGE

Brake and clutch levers

Chassis fasteners • Make sure that all nuts, bolts and screws are properly tightened. 5-7

Instruments, lights and
switches

• Make sure that operation is smooth. Lubricate lever pivoting points if
necessary.

• Check operation, and correct if necessary. 5-7

8-44

5

5-3

EBU19541

TIP

Fuel

Make sure that there is sufficient fuel in the tank.
(See page 4-8.)

EBU19560

Engine oil

Make sure that the engine oil is at the specified lev­el. Add oil as necessary. (See page 8-14.)

EBU19631

5

Coolant

Make sure that the coolant is at the specified level.
Add coolant as necessary. (See page 8-20.)

● Check for correct brake pedal height. (See page

8-36.) If the pedal height is incorrect, have a
Yamaha dealer adjust it.

● Check the operation of the lever and pedal. They

should move smoothly and there should be a
firm feeling when the brakes are applied. If not,
have a Yamaha dealer check the brake system.

Brake fluid level

Check the brake fluid level. Add fluid if necessary.
(See page 8-33.)

Specified brake fluid:

DOT 4

The coolant level must be checked on a cold en­gine since the level varies with engine tempera­ture.

EBU19712

Front and rear brakes

Brake lever and brake pedal

● Check that there is no free play in the brake le-

ver. If there is free play, have a Yamaha dealer
check the brake system.

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, have a Yamaha dealer check the brake sys­tem.

Brake operation

Test the brakes at slow speed after starting out to
make sure they are working properly. If the brakes
do not provide proper braking performance, check
the brake pads for wear. (See page 8-32.)

5-4

EBU19761

Throttle lever

Check the operation of the throttle lever. It must
open smoothly and spring back to the idle position
when released. Have a Yamaha dealer correct if
necessary.

EBU19770

Drive chain

Check the condition of the drive chain and check
the drive chain slack. Lubricate and adjust the
drive chain as necessary. (See page 8-41.)

EBU19794

Tires

Check tire pressure regularly to make sure it is at
the recommended specifications. Also check for
wear and damage.

Tire pressure

Use the low-pressure tire gauge to check and ad­just tire pressures when the tires are cold. Tire
pressures must be equal on both sides.

WARNING! Operation of this vehicle with im­proper tire pressure may cause severe injury
or death from loss of control or rollover. Tire
pressure below the minimum specified could

also cause the tire to dislodge from the rim un­der severe riding conditions.

[EWB02541] Set tire

pressures to the following specifications:

Recommended tire pressure:

Front

27.5 kPa (0.275 kgf/cm², 4.0 psi)

Rear

30.0 kPa (0.300 kgf/cm², 4.4 psi)

Minimum tire pressure:

Front

24.5 kPa (0.245 kgf/cm², 3.6 psi)

Rear

27.0 kPa (0.270 kgf/cm², 4.0 psi)

Maximum tire seating pressure:

Front

250 kPa (2.5 kgf/cm², 36 psi)

Rear

250 kPa (2.5 kgf/cm², 36 psi)

The low-pressure tire gauge is included as stan­dard equipment. Make two measurements of the
tire pressure and use the second reading. Dust or
dirt in the gauge could cause the first reading to be
incorrect.

5

5-5

5

WARNING

1

1. Low-pressure tire gauge

Tire wear limit

When the tire groove decreases to 3 mm (0.12 in)
due to wear, replace the tire.

1. Tire wear limit

Tire information

This ATV is equipped with tubeless tires with
valves.

EWB02551

Use of improper tires on this ATV may cause
loss of control, increasing your risk of an acci­dent.

After extensive tests, only the tires listed below
have been approved for this model by Yamaha
Motor Co., Ltd.

5-6

Front:

Manufacturer/model:

DUNLOP/KT341 Radial

Size:

AT21 x 7R10

Ty p e:

Tu b el e ss

Rear:

Manufacturer/model:

DUNLOP/KT355A Radial

Size:

AT20 x 10R9

Ty p e:

Tu b el e ss

Aftermarket tires and rims

The tires and rims that came with your ATV were
designed to match the performance capabilities
and to provide the best combination of handling,
braking, and comfort. Other tires, rims, sizes, and
combinations may not be appropriate.

EBU19840

Chassis fasteners

Make sure that all nuts, bolts and screws are prop­erly tightened.

EBU19850

Instruments, lights and switches

Check that all instruments, lights and switches are
working properly. Correct if necessary.

5

5-7

EBU19881

WARNING

NOTICE

TIP

OPERATION

EBU19901

Read the Owner’s Manual carefully before riding
the ATV. If there is a control or function you do not
understand, ask your Yamaha dealer.

EWB00631

Read the Owner’s Manual carefully to become
familiar with all controls in order to help pre-

6

vent any loss of control, which could cause an
accident or injury.

EBU20184

Starting a cold engine

ECB00150

See the “Engine break-in” section on page 6-5
prior to operating the engine for the first time.

1. Set the parking brake.

2. Turn the fuel cock to “ON”.

3. Turn the key to “ON” and the engine stop
switch to “ ”.

4. Shift the transmission into neutral. The neutral
indicator light should come on. If the indicator
light does not come on, have a Yamaha deal­er check the electrical circuit.

This model is equipped with an ignition circuit cut­off system. The engine can be started under the
following conditions.

● The transmission is in neutral.

● The clutch is disengaged with the transmission

in gear. However, it is recommended to shift into
neutral before starting the engine.

5. Use the starter (choke) in reference to the fig­ure:

Position (1):

Cold engine start with ambient temperature
below 5 °C (40 °F).

Position (2):

Cold engine start with ambient temperature
between 0 °C (30 °F) and 30 °C (90 °F).

Position (3):

Cold engine start with ambient temperature
above 25 °C (80 °F).

6-1

Ambient temp./starter (choke) position

TIP

TIP

NOTICE

1

2

3

12

3

4

1. Fully open

2. Half open

3. Closed

4. Starter (choke)

6. Completely close the throttle lever and start
the engine by pushing the start switch.

If the engine fails to start, release the start switch,
then push it again. Pause a few seconds before
the next attempt. Each cranking should be as short

as possible to preserve battery energy. Do not
crank the engine more than 10 seconds on each
attempt.

7. If the engine is started with the starter (choke)
in position (1), the starter (choke) should be
returned to position (2) to warm up the engine.
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 idles
smoothly, then return the starter (choke) to
position (3) before riding.

The engine is warm when it responds quickly to the
throttle with the starter (choke) turned off.

ECB00163

For maximum engine life, never accelerate
hard when the engine is cold!

6

6-2

EBU20291

NOTICE

1

2

Starting a warm engine

Follow the same procedure as for starting a cold
engine, with the exception that the starter (choke)
is not required when the engine is warm. Instead,
start the engine with the throttle slightly open.

EBU20522

Shifting

This ATV has a 5-speed forward transmission. The
transmission allows you to control the amount of
power you have available at a given speed or for

6

starting, accelerating, climbing hills, etc.
To shift into neutral, release the throttle lever, ap­ply the clutch, and then repeatedly depress the
shift pedal until it stops.
When it stops, it will be in first gear. Raise the pedal
slightly to reach the neutral position, and then re­lease the clutch.

1. Shift pedal

2. Neutral position

EBU20592

To start out and accelerate

1. Release the throttle lever, apply the front or
rear brake, and then release the parking
brake.

ECB00200

Always close the throttle before shifting gears,
otherwise damage to the engine and drive train
may result.

2. Pull the clutch lever to disengage the clutch.

6-3

3. Shift into first gear, and then release the

WARNING

NOTICE

brake.

4. Open the throttle gradually and at the same
time, release the clutch lever slowly.

WARNING! Opening the throttle abruptly
or releasing the clutch lever too quickly
could make the ATV wheelie, which would
increase the chance of an accident, includ­ing an overturn.

[EWB00731]

5. Once the ATV has attained adequate speed,
release the throttle, and at the same time,
quickly pull in the clutch lever.

6. Shift the transmission into second gear.
(Make sure not to shift the transmission into
neutral.)

7. Open the throttle part way and gradually re­lease the clutch lever.

8. Follow the same procedure when shifting to
the next higher gear.

EBU20650

To decelerate

When slowing down or stopping, release the throt­tle and apply the brakes smoothly and evenly. As
you slow down, shift to a lower gear. Be sure that
the engine has sufficiently slowed before engaging

a lower gear. Improper use of the brakes or shifting
can cause the tires to lose traction, reducing con­trol and increasing the possibility of an accident.

EWB00710

Make sure the engine has sufficiently slowed
before shifting to a lower gear. Engaging a low­er gear when the engine speed is too high
could make the wheels stop rotating and lose
traction. This could cause loss of control, an
accident and injury. It could also cause engine
or drive train damage.

ECB00180

● Even with the transmission in the neutral po-

sition, do not coast for long periods of time
with the engine off, and do not tow the ATV
for long distances. The transmission is prop­erly lubricated only when the engine is run­ning. Inadequate lubrication may damage
the transmission.

6

6-4

● Always use the clutch when changing gears.

TIP

NOTICE

The engine, transmission and drive train are
not designed to withstand the shock of
forced shifting and can be damaged by shift­ing without using the clutch.

EBU20672

Engine break-in

0–160 km (0–100 mi) or 0–10 hours

Avoid prolonged operation above 1/2 throttle. Vary
the speed of the ATV regularly. Do not operate it at
one set throttle position.

160–320 km (100–200 mi) or 10–20 hours

Avoid prolonged operation above 3/4 throttle. Rev
the engine through the gears freely, but do not use
full throttle at any time.

● For ATVs equipped with an odometer or an hour

meter, follow the figures given in km (mi) or the

6

figures given in hours.

● For ATVs not equipped with an odometer or

hour meter, follow the figures given in hours.

There is never a more important period in the life of
your engine than the first 320 km (200 mi) or 20
hours of riding. For this reason, you should read
the following material carefully.
Since the engine is brand new, do not put an ex­cessive load on it for the first 320 km (200 mi) or 20
hours. The various parts in the engine wear and
polish themselves to the correct operating clear­ances. During this period, prolonged full-throttle
operation or any condition that might result in en­gine overheating must be avoided.

320 km (200 mi) or 20 hours and beyond

The ATV can now be operated normally.

ECB00220

If any engine trouble should occur during the
engine break-in period, immediately have a
Yamaha dealer check the ATV.

EBU20722

Parking

When parking the ATV, shift into first gear, stop the
engine, apply the parking brake, and then turn the
fuel cock to “OFF”.

6-5

WARNING

Never park the ATV on hills that are too steep
to walk up easily.

1. Bring the ATV to a stop by applying the front
brake, shift into first gear, and then stop the
engine.

2. With the front and rear brakes applied, apply
the parking brake.

3. Release the front and rear brakes.

4. Turn the fuel cock to “OFF”.

1. Parking brake lever (locked position)

EBU20865

Parking on a slope

EWB00851

Avoid parking on hills or other inclines. Park­ing on a hill or other incline could cause the
ATV to roll out of control, increasing the
chance of an accident. If you must park on an
incline, place the ATV transversely across the
incline, shift into first gear, stop the engine, ap­ply the parking brake, and then block the front
and rear wheels with rocks or other objects.

6

6-6

EBU20910

Accessories and loading

EBU20921

Genuine Yamaha Accessories

Choosing accessories for your ATV is an important
decision. Genuine Yamaha Accessories, which
are available only from a Yamaha dealer, have
been designed, tested, and approved by Yamaha
for use on your ATV. Many companies with no con­nection to Yamaha manufacture parts and acces­sories or offer other modifications for Yamaha
vehicles. Yamaha is not in a position to test the

6

products that these aftermarket companies pro­duce. Therefore, Yamaha can neither endorse nor
recommend the use of accessories not sold by
Yamaha or modifications not specifically recom­mended by Yamaha, even if sold and installed by
a Yamaha dealer.

Aftermarket parts, accessories, and modifica­tions

While you may find aftermarket products similar in
design and quality to genuine Yamaha Accesso­ries, recognize that some aftermarket accessories
or modifications are not suitable because of poten­tial safety hazards to you or others. Installing after-

market products or having other modifications
performed to your ATV that change any of the ve­hicle’s design or operation characteristics can put
you and others at greater risk of serious injury or
death. You are responsible for injuries related to
changes in the vehicle.
Keep the following in mind when considering an
accessory or operating an ATV which has acces­sories.

● Accessories should be rigidly and securely

mounted. An accessory which can shift position
or come off while you are riding could affect your
ability to control the ATV.

● Do not mount an accessory where it could inter-

fere with your ability to control the ATV. Exam­ples include (but are not limited to) a heavy or
bulky object attached to the handlebars which
could make steering difficult, an accessory that
limits your ability to move around on the seat, or
one that limits your view.

● Use extra caution when riding an ATV with ac-

cessories. The ATV may handle differently than
it does without accessories.

6-7

EBU20941

WARNING

Loading

EWB00820

Never exceed the stated load capacity for this
ATV. Overloading this ATV or carrying or tow­ing cargo improperly could cause changes in
ATV handling which could lead to an accident.
Cargo should be properly distributed and se­curely attached. Reduce speed when carrying
cargo or pulling a trailer. Allow greater dis­tance for braking.

As originally equipped, this ATV is not designed to
carry cargo or tow a trailer. If you choose to add ac­cessories so that you can carry cargo or tow a trail­er, you must use common sense and good
judgment as the stability and handling of an ATV
can be changed. When adding accessories, keep
the following points in mind:

● Never exceed the weight limits shown. An over-

loaded ATV can be unstable.

MAXIMUM LOADING LIMIT

ATV loading limit (total weight of rider, cargo,
accessories, and tongue):

100.0 kg (220 lb)

● If you are carrying cargo and towing a trailer, in-

clude the tongue weight in the maximum ATV
load limit.

● Load cargo on the carriers as close to the center

of the ATV as possible. Put cargo at the rear of
the front carrier, at the front of the rear carrier,
and center it.

● Tie down cargo securely to the carriers. Make

sure cargo in the trailer cannot move around. A
shifting load can cause an accident.

● Make sure the load does not interfere with con-

trols or your ability to see where you are going.

● Ride more slowly than you would without a load.

The more weight you carry, the slower you
should go. Although conditions vary, it is good
practice not to exceed 2nd gear whenever you
are carrying heavier loads or when towing a trail­er.

● Allow more braking distance. A heavier ATV

takes longer to stop.

● Avoid making sharp turns unless at very slow

speeds.

● Avoid hills and rough terrain. Choose terrain

carefully. Added weight affects the stability and
handling of the ATV.

6

6-8

7

EBU21141

RIDING YOUR ATV

7-1

EBU21617

WARNING

GETTING TO KNOW YOUR ATV

This ATV is intended for recreational use by expe­rienced operators only. This section, Riding your
ATV, provides general ATV riding instructions for
recreational riding. The skills and techniques de­scribed in this section, however, are appropriate
for all types of riding. Riding your ATV requires
special skills acquired through practice over a pe­riod of time. Take the time to learn the basic tech­niques well before attempting more difficult
maneuvers.
Riding your new ATV can be a very enjoyable ac­tivity, providing you with hours of pleasure. But it is
essential to familiarize yourself with the operation
of the ATV to achieve the skill necessary to enjoy
riding safely. Before you begin to ride, be sure you
have read this Owner’s Manual completely and un­derstand the operation of the controls. Pay partic­ular attention to the safety information on pages
2-1–2-6. Also read all warning and notice labels on
your ATV.

RIDE WITH CARE AND GOOD JUDGMENT

Get training if you are inexperienced.

EWB01381

● Do not operate this ATV or allow anyone else

to operate it without proper instruction. The
risk of an accident is greatly increased if the
operator does not know how to operate the
ATV properly in different situations and on
different types of terrain.

● Do not operate this ATV at speeds too fast

for your skills or the conditions, as this in­creases your chances of losing control of
the ATV and an accident. Always go at a
speed that is proper for the terrain, visibility
and operating conditions, and your experi­ence.

Beginning and inexperienced operators should
regularly practice the skills and the operating tech­niques described in this Owner’s Manual.

7

7-2

Riding your ATV requires skills acquired

WARNING

through practice over a period of time.

Do not attempt to operate at maximum perfor­mance until you are totally familiar with the ATV’s
handling and performance characteristics. Take
the time to learn the basic techniques well before
attempting more difficult maneuvers. Become fa­miliar with this ATV at slow speeds first, even if you
are an experienced operator.

Not recommended for children under 16 years
of age.

EWB01390

7

A child under 16 should never operate an ATV
with engine size greater than 90 cc. Use by chil­dren of ATVs that are not recommended for
their age can lead to severe injury or death of
the child.

This ATV is designed to carry the operator only
– passengers prohibited.

The long seat is to allow the operator to shift posi­tion as needed during operation. It is not for carry­ing passengers. WARNING! Never carry a

passenger. Carrying a passenger on this ATV
greatly reduces your ability to balance and
control this ATV. You could have an accident,
resulting in severe injury or death to you
and/or your passenger.

[EWB01401]

7-3

proved motorcycle helmet increases your
chances of a severe head injury or death in the
event of an accident.

[EWB01411]

Wear eye protection when operating your ATV to
reduce the risk of a serious accident or injury. Eye
protection, such as a face shield or goggles, may
reduce the risk of foreign material getting in your
eyes and help prevent loss of vision. WARNING!

Operating without eye protection can result in
an accident and increases your chances of a
severe injury in the event of an accident.

[EWB02611]

Apparel

Always wear the following to reduce risk of injury in
an accident:

● Approved motorcycle helmet that fits properly

● Eye protection (goggles, helmet face shield, or

protective eyewear)

● Over-the-ankle boots, gloves, long-sleeved shirt

or jacket, and long pants
An approved helmet and other personal protective
equipment can reduce the severity of injuries in an
accident. WARNING! Operating without an ap-

7

7-4

1. Protective clothing

2. Goggles

3. Gloves

4. Boots

7

5. Helmet

Do not operate after or while consuming alco­hol or drugs.

The operator’s performance capability is reduced
by the influence of alcohol or drugs. Consuming al­cohol or drugs could seriously affect your judg­ment, cause you to react more slowly, and affect
your balance and perception. WARNING! Never

consume alcohol or drugs before or while driv­ing this ATV. You increase your chance of an
accident.

[EWB01421]

Pre-operation checks

Always inspect your ATV each time you use it to
make sure the ATV is in safe operating condition.
Perform the pre-operation checks listed on page
5-1. Always follow the inspection and maintenance
procedures and schedules described in the Own­er’s Manual. WARNING! Failure to inspect the

ATV before operating it and to maintain it prop­erly increases the possibility of an accident or
equipment damage.

[EWB01431]

Speed limiter

For riders less experienced with this model, the
throttle lever housing is equipped with a speed lim­iter. The speed limiter keeps the throttle from fully

7-5

opening, even when the throttle lever is pushed to

WARNING

2

1

the maximum. Turning in the adjusting screw limits
the maximum engine power available and de­creases the maximum speed of the ATV. Turning
in the adjusting screw decreases top speed, and
turning it out increases top speed. (See page 4-4.)

● Do not exceed the maximum loading limits

for the vehicle (see “MAXIMUM LOADING
LIMIT” below or vehicle labeling).

● Make sure the load does not interfere with

your control or ability to see where you are
going.

● Reduce speed and allow more room to stop.

A heavier vehicle takes longer to stop.

● Avoid hills and rough terrain. Choose terrain

carefully. Use extreme caution when towing
or carrying a load on inclines.

● Turn gradually and go slowly.

1. Adjusting screw

2. Locknut

Loading and accessories

EWB00972

Improper loading or towing can increase the
risk of loss of control, an overturn, or other ac­cident. To reduce the risk of an accident:

As originally equipped, this ATV is not designed to
carry cargo or tow a trailer. If you choose to add ac­cessories to carry cargo, you must use common
sense and good judgment.
Use extra caution when riding the ATV with addi­tional loads, such as accessories or cargo. The
ATV’s handling may be adversely affected. Re­duce your speed when adding additional loads.

MAXIMUM LOADING LIMIT

ATV loading limit (total weight of cargo, rider,
accessories, and tongue):

100.0 kg (220 lb)

7-6

7

During operation

Always keep your feet on the footrests during op­eration; otherwise, they may contact the rear
wheels. WARNING! Removing even one hand

or foot can reduce 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 footrest, your foot or leg may come into
contact with the rear wheels, which could in­jure you or cause an accident.

[EWB02660]

7

Avoid wheelies and jumping. WARNING! At­tempting wheelies, jumps, and other stunts in­creases the chance of an accident, including
an overturn. Never attempt stunts, such as
wheelies or jumps. Don’t try to show off.

[EWB01481]

Modifications and accessories

Never modify this ATV through improper installa­tion or use of accessories or other modification. All
parts and accessories added to this ATV should be
genuine Yamaha or equivalent components de­signed for use on this ATV and should be installed
and used according to instructions. If you have

7-7

questions, consult an authorized ATV dealer.

WARNING

WARNING! Operating this ATV with improper
modifications may cause changes in handling
which in some situations could lead to an acci-

[EWB01491]

dent.

Exhaust system

EWB01501

● Dry grass or brush or other combustible ma-

terial accumulated around the engine area

could catch fire. Do not operate, idle, or park

the ATV in dry grass or other dry ground cov-

er. Keep the engine area free of dry grass,

brush, or other combustible material.

● Someone touching the exhaust system dur-

ing or after operation could be burned. Do

not touch the hot exhaust system. Do not

park the ATV in a place where others might

be likely to touch it.

The muffler and other engine parts become ex­tremely hot during operation and remain hot after
the engine has stopped. To reduce the risk of fire
during operation or after leaving the ATV, do not let
brush, grass and other materials collect under the
vehicle, near the muffler or exhaust pipe, or next to

other hot parts. Check under the vehicle after op­erating in areas where combustible materials may
have collected. Do not idle or park the vehicle in
long dry grass or other dry ground cover.
To prevent burns, avoid touching the exhaust sys­tem. Park the ATV in a place where pedestrians or
children are not likely to touch it.

7

7-8

BE CAREFUL WHERE YOU RIDE

This ATV is designed for use on unpaved surfaces
only. WARNING! Paved surfaces may seriously

affect handling and control of the ATV, and
may cause the ATV to go out of control. Always
avoid paved surfaces, including sidewalks,
driveways, parking lots and streets.

[EWB01511]

7

While riding on unpaved public streets or roads
may be legal in your area, such operation can in­crease the risk of collision with other vehicles.

Watch carefully for other vehicles. Make sure you
know your country’s laws and regulations before
you ride on unpaved public streets or roads. Do not
ride on any paved public street, road or motorway.

WARNING! Never operate this ATV on any
paved street, paved road or motorway. You can
collide with another vehicle.

[EWB01521]

Know the terrain where you ride. Ride cautiously in
unfamiliar areas. Stay alert for holes, rocks, or
roots in the terrain, and other hidden hazards
which may cause the ATV to upset. WARNING!

The ATV could go out of control if you do not

7-9

have enough time to react to hidden rocks,
bumps, or holes. Go slowly and be extra care­ful when operating on unfamiliar terrain. Al­ways be alert to changing terrain conditions
when operating the ATV.

[EWB01531]

Do not operate on rough, slippery, or loose terrain
until you have learned and practiced the skills nec­essary to control the ATV on such terrain. Always
be especially cautious on these kinds of terrain.

WARNING! Failure to use extra care when op­erating on excessively rough, slippery, or

loose terrain could cause loss of traction or
ATV control, which could result in an accident,
including an overturn.

[EWB01541]

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. WARNING! You could collide

with another vehicle if operating in areas where
you cannot easily be seen. Mount a caution
flag on the ATV to make you more visible.
Watch carefully for other vehicles.

[EWB01551]

7

7-10

7 Do not ride in areas posted “no trespassing”.

Do not ride on private property without getting per­mission.

Select a large, flat, unpaved area to become famil­iar with your ATV. Make sure that this area is free
of obstacles and other riders. You should practice
control of the throttle, brakes, shifting procedures,
and turning techniques in this area before trying
more difficult terrain.
Set the parking brake and follow the instruction on
page 6-1 to start the engine. Once it has warmed
up you are ready to begin riding your ATV. As you
get on the ATV, be sure not to accidentally move
the shift pedal. With the engine idling, pull the
clutch lever to disengage the clutch and shift into
1st gear, and then release the parking brake. Open
the throttle gradually, and at the same time, re­lease the clutch lever slowly. Once the ATV has at­tained adequate speed, release the throttle lever
and at the same time, quickly pull in the clutch le­ver and shift into 2nd gear. Open the throttle part
way and gradually release the clutch. WARNING!

If the throttle is applied too abruptly or if the
throttle is not released during shifting, or if the
shift pedal is not released before applying the
throttle, the front wheels may lift off the
ground, resulting in a loss of directional con-

7-11

[EWB02631] NOTICE: Do not shift gears without

WARNING

trol.
releasing the throttle. Damage to the engine or
drive train may occur.

[ECB01071]

Use this same procedure as you move into the
higher gears. Be sure to coordinate the use of the
throttle and shift pedal properly.
Avoid higher speeds until you are thoroughly famil­iar with the operation of your ATV.
When slowing down or stopping, release the throt­tle and apply the brakes smoothly and evenly. As
you slow down, shift to a lower gear. Be sure that
the engine has sufficiently slowed before engaging
a lower gear. Improper use of the brakes or shifting
can cause the tires to lose traction, reducing con­trol and increasing the possibility of an accident.

TURNING YOUR ATV

EWB01771

Always follow proper procedures for turning
as described in this Owner’s Manual. Practice
turning at low speeds before attempting to turn
at faster speeds. Do not turn at speeds too fast
for your skills or the conditions. ATV could go
out of control, causing a collision or overturn.

To achieve maximum traction on unpaved surfac­es, the two rear wheels turn together at the same
speed. Therefore, unless the wheel on the inside
of the turn is allowed to slip or lose some traction,
the ATV will resist turning. A special turning tech­nique must be used to allow the ATV to make turns
quickly and easily. It is essential that this skill be
learned first at low speed.
As you approach a curve, slow down and begin to
turn the handlebars in the desired direction. As you
do so, put your weight on the footrest 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
maneuver will let the wheel on the inside of the turn
slip slightly, allowing the ATV to make the turn
properly.

7

7-12

WARNING

1. Lean towards inside of turn.

7

2. Support your weight on the outer footrest.

This procedure should be practiced at slow speed
many times in a large unpaved 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 surface is slippery or loose,
it may help to position more of your weight over the
front wheels by moving forward on the seat.
Once you have learned this technique, you should
be able to perform it at higher speeds or in tighter
curves.

Improper riding procedures such as abrupt throttle
changes, excessive braking, incorrect body move­ments, or too much speed for the sharpness of the
turn may cause the ATV to tip. If the ATV begins to
tip over to the outside while negotiating a turn, lean
more to the inside. 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: Avoid higher speeds until you are
thoroughly familiar with the operation of your ATV.

CLIMBING UPHILL

EWB01591

Climbing hills improperly can cause overturns
or loss of control. Use proper riding tech­niques described in this Owner’s Manual.

● Never operate the ATV on hills too steep for

the ATV or for your abilities. The ATV can
overturn more easily on extremely steep hills
than on level surfaces or small hills.

● Always check the terrain carefully before

you start up any hill. Never climb hills with
excessively slippery or loose surfaces.

● Shift your weight forward.

7-13

● Never open the throttle suddenly or make

sudden gear changes. The ATV could flip

over backwards.

● Never go over the top of any hill at high

speed. An obstacle, a sharp drop, or another

vehicle or person could be on the other side

of the hill.

● Never attempt to turn the ATV around on any

hill until you have mastered the turning tech-

nique 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 pos-

sible. When crossing the side of a hill, shift

your weight to the uphill side of the ATV.

7

7-14

7

Do not attempt to climb hills until you have mas­tered basic maneuvers on flat ground. Always
check the terrain carefully before attempting any
hill. In all cases avoid inclines with slippery or loose
surfaces, or obstacles that might cause you to lose
control.
To climb a hill, you need traction, momentum, and
steady throttle. Travel fast enough to maintain mo­mentum, but not so fast that you cannot react to
changes in the terrain as you climb.

It is important when climbing a hill to make sure
that your weight is transferred forward on the ATV.
This can be accomplished by leaning forward and,
on steeper inclines, standing on the footrests and
leaning forward over the handlebars. Whenever
possible, ride straight up hills.
Slow down when you reach the crest of the hill if
you cannot see clearly what is on the other side –
there could be another person, an obstacle, or a
sharp drop-off. Use common sense and remember
that some hills are too steep for you to climb or de­scend.
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.
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, dismount the ATV on the up­hill side. Physically turn the ATV around and then
descend the hill.

7-15

If you start to roll backwards, DO NOT apply the

WARNING

rear brake, and apply the front brake gradually.
The ATV could easily tip over backwards. When
fully stopped, apply the rear brake as well, and
then lock the parking brake. Dismount the ATV im­mediately on the uphill side or to a side if pointed
straight uphill. Turn the ATV around and remount,
following the procedure described in the Owner’s
Manual. WARNING! Stalling, rolling backwards

or improperly dismounting while climbing a hill
could result in ATV overturning. If you cannot
control the ATV, dismount immediately on the
uphill side.

[EWB01802]

7

RIDING DOWNHILL

EWB01131

Going down a hill improperly could cause
overturns or loss of control. Always follow
proper procedures for going down hills as de­scribed in this Owner’s Manual.

● Always check the terrain carefully before

you start down any hill.

7-16

● Never operate the ATV on hills too steep for

the ATV or for your abilities. The ATV can
overturn more easily on extremely steep hills
than on level surfaces or small hills.

● Shift your weight backward and to the up

side of the hill.

● Never go down a hill at high speed.

● Avoid going down a hill at an angle that

would cause the ATV to lean sharply to one
side. Go straight down the hill where possi­ble.

● Improper braking can cause the wheels on

the uphill side to come off the ground or
cause loss of traction. Gradually apply only

7

the rear brake when going 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. Choose a low gear which will allow the en­gine compression to do most of the braking for you.
Use caution while descending a hill with loose or
slippery surfaces. Braking ability and traction may
be adversely affected by these surfaces. Improper
braking may also cause a loss of traction. Gradual­ly apply only the rear brake.

Whenever possible, ride your ATV straight down­hill. Avoid sharp angles which could allow 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.

7-17

CROSSING A SLOPE

WARNING

EWB01632

Improperly crossing hills or turning on hills
could cause loss of control or cause the ATV to
overturn.

● Always follow proper procedures as de-

scribed in the Owner’s Manual.

● Avoid hills with excessively slippery or loose

surfaces.

● Avoid crossing the side of a steep hill.

● 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 tech-

nique as described in the Owner’s Manual on

level ground. Be very careful when turning

on any hill.

Traversing a sloping surface on your ATV requires
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 terrain that may upset your
balance.

As you travel across a slope, lean your body in the
uphill direction. It may be necessary to correct the
steering when riding on loose surfaces by pointing
the front wheels slightly uphill. 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 obstacles in
your path. As you regain proper balance, gradually
steer again in the direction you wish to travel.

7

7-18

CROSSING THROUGH SHALLOW WATER

WARNING

EWB01641

Operating this vehicle through deep or fast­flowing water can lead to loss of control or an
overturn. To reduce your risk of drowning or
other injuries, use care when crossing through
water. Never operate this ATV water deeper
than the depth specified in your Owner’s Man­ual, as tires may float, increasing the risk of an
overturn.

The ATV can be used to cross slow moving, shal­low water of up to a maximum of 35 cm (14 in) in

7

depth. Before entering the water, choose your path
carefully. Enter where there is no sharp drop off,
and avoid rocks or other obstacles which may be
slippery or upset the ATV. Drive slowly and care­fully.

Test your brakes after leaving the water. If neces­sary, apply them several times to let friction dry out
the linings. Do not continue to ride your ATV with­out verifying that you have regained proper braking
ability. WARNING! Wet brakes may have re-

duced stopping ability, which could cause loss
of control.

[EWB02621]

7-19

WARNING

1. Air filter case check hose

1

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. NOTICE: Undrained

water can cause damage or improper opera-

[ECB00841]

tion.

Wash the ATV in fresh water if it has been operat­ed in salt water or muddy conditions.

RIDING OVER ROUGH TERRAIN

EWB01651

Riding improperly over obstacles could cause
loss of control or a collision. Before operating
in a new area, check for obstacles. Never at­tempt to ride over large obstacles, such as
large rocks or fallen trees. When you go over
obstacles, always follow proper procedures as
described in the Owner’s Manual.

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 ac-

7-20

7

cident. Be sure to keep your feet firmly mounted on

WARNING

the footrests at all times. Avoid jumping the ATV as
loss of control and damage to the ATV may result.

SLIDING AND SKIDDING

EWB01662

Skidding or sliding improperly may cause you
to lose control of this ATV. You may also re­gain traction unexpectedly, which may cause
the ATV to overturn.

● Learn to safely control skidding or sliding by

practicing at low speeds and on level,
smooth terrain.

7

● 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
control.

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, positioning 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 direction of the
slide. Applying the brakes or accelerating is not
recommended until you have corrected the slide.

7-21

With practice, over a period of time, skill at con­trolled sliding can be developed. The terrain
should be chosen carefully before attempting such
maneuvers, since both stability and control are re­duced. Bear in mind that sliding maneuvers should
always be avoided on extremely slippery surfaces
such as ice, since all control may be lost.

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
weight on the footrest to the outside of the turn.
Position your weight over the front wheels for
better control. (See page 7-12.)

● If your ATV begins to tip while turning:

Lean more into the turn to regain balance. If nec­essary, gradually let off the throttle and/or steer
to the outside of the turn. (See page 7-12.)

● If your ATV starts to slide sideways:

Steer in the direction of the slide if you have the
room. Applying the brakes or accelerating is not
recommended until you have corrected the
slide. (See page 7-21.)

● If your ATV can’t make it up a hill you are trying

to climb:
Turn the ATV around if you still have forward
speed. If not, stop, dismount on the uphill side of
the ATV and physically turn the ATV around. If
the ATV starts to slip backwards, DO NOT USE
THE REAR BRAKE – the ATV may tip over on
top of you. Dismount the ATV on the uphill side.
(See page 7-13.)

7

7-22

● If your ATV is traversing a sloping surface:

Be sure to ride with your weight positioned to­wards the uphill side of the ATV to maintain
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 discover that the
ATV is going to tip over, dismount on the uphill
side. (See page 7-18.)

● 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

7

ride your ATV until you have regained adequate
braking ability. (See page 7-19.)

7-23

EBU28783

WARNING

WARNING

WARNING

PERIODIC MAINTENANCE AND ADJUSTMENT

EBU21674

Periodic inspection, adjustment, and lubrication
will keep your vehicle in the safest and most effi­cient condition possible. Safety is an obligation of
the vehicle owner/operator. The most important
points of vehicle inspection, adjustment, and lubri­cation are explained on the following pages.

EWB01841

Failure to properly maintain the vehicle or per­forming maintenance activities incorrectly may
increase your risk of injury or death during ser­vice or while using the vehicle. If you are not fa­miliar with vehicle service, have a Yamaha
dealer perform the service.

EWB02562

Turn off the engine when performing mainte­nance unless otherwise specified.

● A running engine has moving parts that can

catch on body parts or clothing and electri-

cal parts that can cause shocks or fires.

● Running the engine while servicing can lead

to eye injury, burns, fire, or carbon monoxide
poisoning - possibly leading to death. See
page 2-6 for more information about carbon
monoxide.

EWB02690

Brake discs, calipers, drums, and linings can
become very hot during use. To avoid possible
burns, let brake components cool before
touching them.

The intervals given in the periodic maintenance
charts should be considered as a general guide
under normal riding conditions. However, DE­PENDING ON THE WEATHER, TERRAIN, GEO­GRAPHICAL LOCATION, AND INDIVIDUAL
USE, THE MAINTENANCE INTERVALS MAY
NEED TO BE SHORTENED.

8

8-1

EBU27111

TIP

3

2

1

Owner’s manual and tool kit

Be sure to put this owner’s manual in the plastic
bag and to always carry it as well as the owner’s
tool kit and the low-pressure tire gauge in their re­spective compartments under the seat.

8

1. Low-pressure tire gauge

2. Owner’s tool kit

3. Owner’s manual

The service information included in this manual
and the tools provided in the owner’s tool kit are in­tended to assist you in the performance of preven­tive maintenance and minor repairs. However,

additional tools such as a torque wrench may be
necessary to perform certain maintenance work
correctly.

If you do not have the tools or experience required
for a particular job, have a Yamaha dealer perform
it for you.

8-2

EBU21743

TIP

Periodic maintenance chart for the emission control system

● For ATVs not equipped with an odometer or an hour meter, follow the month maintenance intervals.

● For ATVs equipped with an odometer or an hour meter, follow the km (mi) or hours maintenance inter-

vals. However, keep in mind that if the ATV isn’t used for a long period of time, the month maintenance

intervals should be followed.

● Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools,

data and technical skills.

INITIAL EVERY

NO. ITEM

1 * Fuel line

2 Spark plug

3 * Valves • Check valve clearance and adjust if necessary. √ √√√

4 * Carburetor

Crankcase breather

5 *

system

CHECK OR MAINTENANCE

JOB

• Check fuel hoses for cracks or other damage, and
replace if necessary.

• Check condition and clean, regap, or replace if
necessary.

• Check starter (choke) operation and correct if nec­essary.

• Check engine idling speed and adjust if neces­sary.

• Check breather hose for cracks or other damage,
and replace if necessary.

Whichev­er comes

first

month136612

km

(mi)

hours 20 80 160 160 320

320

(200)

1300
(800)

√√√√√

2500

(1600)

√√√√

2500

(1600)

√√√

√√√

5000

(3200)

8

8-3

INITIAL EVERY

NO. ITEM

6 * Exhaust system

7 Spark arrester • Clean. √√√

CHECK OR MAINTENANCE

JOB

• Check for leakage and replace gasket(s) if neces­sary.

• Check for looseness and tighten all screw clamps
and joints if necessary.

Whichev­er comes

first

month136612

km

320

(mi)

(200)

hours 20 80 160 160 320

1300

(800)

2500

(1600)

2500

(1600)

√√√

8

5000

(3200)

8-4

TIP

EBU21865

General maintenance and lubrication chart

● For ATVs not equipped with an odometer or an hour meter, follow the month maintenance intervals.

● For ATVs equipped with an odometer or an hour meter, follow the km (mi) or hours maintenance inter-

vals. However, keep in mind that if the ATV isn’t used for a long period of time, the month maintenance
intervals should be followed.

● Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools,

data and technical skills.

INITIAL EVERY

NO. ITEM

1 Air filter element • Clean and replace if necessary.

2 * Clutch • Check operation and adjust if necessary. √ √√√

3 * Front brake

4 * Rear brake

CHECK OR MAINTENANCE

JOB

• Check operation and correct if necessary.

• Check fluid level and ATV for fluid leakage, and
correct if necessary.

• Replace brake pads. Whenever worn to the limit

• Check operation and correct if necessary.

• Check fluid level and ATV for fluid leakage, and
correct if necessary.

• Replace brake pads. Whenever worn to the limit

Whichev­er comes

first

8-5

month136612

km

(mi)

hours 20 80 160 160 320

320

(200)

Every 20–40 hours (more often in wet or

1300
(800)

√√√√√

√√√√√

2500

(1600)

dusty areas)

2500

(1600)

5000

(3200)

8

INITIAL EVERY

NO. ITEM

5 * Brake hoses

6 * Parking bra ke • Check operation and adjust if necessar y. √√√√√

7 * Wheels

8 * Tires

8

9 * Wheel hub bearings

10 * Swingarm pivots

Upper and lower

11 *

arm pivots

12 Drive chain

13 * Drive chain rollers • Check for wear and replace if necessary. √√√

CHECK OR MAINTENANCE

JOB

• Check for cracks or other damage, and replace if
necessary.

• Replace. Every 4 years

• Check runout and for damage, and replace if nec­essary.

• Check tread depth and for damage, and replace if
necessary.

• Check air pressure and balance, and correct if
necessary.

• Check for looseness or damage, and replace if
necessary.

• Check operation and for excessive play, and re­place bearings if necessary.

• Lubricate with lithium-soap-based grease.

• Lubricate with lithium-soap-based grease. √√√

• Check chain slack and adjust if necessary.

• Check rear wheel alignment and correct if neces­sary.

• Clean and lubricate.

Whichev­er comes

first

8-6

month136612

km

320

(mi)

(200)

hours 20 80 160 160 320

1300

(800)

√ √√√

√ √√√

√ √√√

√√√√√

2500

(1600)

√√√√

2500

(1600)

√√√

5000

(3200)

INITIAL EVERY

NO. ITEM

14 * Chassis fasteners

Shock absorber as-

15 *

semblies

Rear suspension re­lay arm and con-

16 *

necting arm
pivoting points

17 * Steering shaft • Lubricate with lithium-soap-based grease. √√√

18 * Steering system

19 * Engine mount

20 Engine oil

Engine oil filter ele-

21

ment

22 Cooling system

CHECK OR MAINTENANCE

JOB

• Make sure that all nuts, bolts, and screws are
properly tightened.

• Check operation and correct if necessary.

• Check for oil leakage and replace if necessary.

• Check operation and correct if necessary. √√√√

• Check operation and repair or replace if damaged.

• Check toe-in and adjust if necessary.

• Check for cracks or other damage, and replace if
necessary.

• Change.

• Check ATV for oil leakage, and correct if neces­sary.

• Replace. √√√

• Check coolant level and ATV for coolant leakage,
and correct if necessary.

• Replace coolant. Every 2 years

Whichev­er comes

first

month136612

km

(mi)

hours 20 80 160 160 320

320

(200)

1300
(800)

√√√√√

√√√√√

√ √√√

√√√√√

2500

(1600)

2500

(1600)

√√√

√√√

5000

(3200)

8

8-7

TIP

INITIAL EVERY

NO. ITEM

Moving parts and

23 *

cables

24 * Throttle lever

Front and rear brake

25 *

switches

26 * Lights and switches

8

EBU23071

● Some maintenance items need more frequent service if you are riding in unusually wet, dusty, sandy or

CHECK OR MAINTENANCE

JOB

• Lubricate. √√√√

• Check operation.

• Check throttle lever free play, and adjust if neces­sary.

• Lubricate cable and lever housing.

• Check operation and correct if necessary. √√√√√

• Check operation and correct if necessary.

• Adjust headlight beams.

Whichev­er comes

first

month136612

km

320

(mi)

(200)

hours 20 80 160 160 320

1300

(800)

√√√√√

√√√√√

2500

(1600)

2500

(1600)

muddy areas, or at full-throttle.

● Hydraulic brake service

• Regularly check and, if necessary, correct the brake fluid level.

• Every two years replace the internal components of the brake master cylinders and calipers, and
change the brake fluid.

• Replace the brake hoses every four years and if cracked or damaged.

5000

(3200)

8-8

EBU23080

1

1

2

1

Removing and installing the panel

The panel shown needs to be removed to perform
some of the maintenance jobs described in this
chapter. Refer to this section each time the panel
needs to be removed and installed.

1. Panel A

EBU23180

Panel A

To remove the panel

1. Remove the seat. (See page 4-12.)

2. Remove the quick fastener screw and the
bolts, and then remove the panel by pulling it
out from the front of the ATV.

1. Quick fastener screw

2. Bolt

8

1. Bolt

8-9

To install the panel

1

1

2

2

1. Place the panel in the original position, and
then install the quick fastener screw and the

8

bolts.

1. Projection

2. Slot

2. Install the seat.

EBU23245

Checking the spark plug

The spark plug is an important engine component,
which is easy to check. Since heat and deposits
will cause any spark plug to slowly erode, the spark
plug should be removed and checked in accor­dance with the periodic maintenance and lubrica­tion chart. In addition, the condition of the spark
plug can reveal the condition of the engine.

8-10

To remove the spark plug

2

4

3

1

1. Remove the seat. (See page 4-12.)

2. Remove the bolts and the quick fastener
screws shown.

3. Remove the fuel tank cap by turning it coun­terclockwise. WARNING! Never remove the

fuel tank cap while smoking, or in the vi­cinity of sparks, open flames, or other
sources of ignition such as pilot lights of
water heaters and clothes dryers. Always
turn off the engine before removing the
fuel tank cap. Do not remove the fuel tank
cap immediately after the engine has been
running, as it is still very hot. Do not spill
gasoline on the engine, exhaust pipe or
muffler.

[EWB01871]

1. Panel

2. Bolt

3. Quick fastener screw

4. Fuel tank cap

4. Pull the panel backward, and then remove the
panel.

5. Install the fuel tank cap by turning it clockwise.

6. Remove the bolt, and then lift the rear of the
fuel tank while sliding the tank slightly rear­ward.

8

8-11

1. Bolt

1

1

1. Spark plug cap

7. Remove the spark plug cap. NOTICE: Do not

use any tools to remove or install the

8

spark plug cap, otherwise the ignition coil
coupler may be damaged. The spark plug
cap may be difficult to remove because the
rubber seal on the end of the cap fits tight­ly. To remove the spark plug cap, simply
twist it back and forth while pulling it out;
to install it, twist it back and forth while
pushing it in.

[ECB00391]

8. Remove the spark plug as shown, with the
spark plug wrench included in the owner’s tool
kit.

8-12

TIP

1. Spark plug wrench

1

To check the spark plug

1. Check that the porcelain insulator around the
center electrode of the spark plug is a medi­um-to-light tan (the ideal color when the ATV
is ridden normally).

If the spark plug shows a distinctly different color,
the engine could be operating improperly. Do not
attempt to diagnose such problems yourself. In­stead, have a Yamaha dealer check the ATV.

2. Check the spark plug for electrode erosion
and excessive carbon or other deposits, and
replace it if necessary.

Specified spark plug:

NGK/CR8E

3. Measure the spark plug gap with a wire thick­ness gauge and, if necessary, adjust the gap
to specification.

8

1. Spark plug gap

Spark plug gap:

0.7–0.8 mm (0.028–0.031 in)

8-13

To install the spark plug

TIP

2

1

1. Clean the surface of the spark plug gasket
and its mating surface, and then wipe off any
grime from the spark plug threads.

2. Install the spark plug with the spark plug
wrench, and then tighten it to the specified
torque.

Tightening torque:

Spark plug:

13 Nm (1.3 m·kgf, 9.4 ft·lbf)

If a torque wrench is not available when installing
the spark plug, a good estimate of the correct

8

torque is 1/4–1/2 turn past finger tight. However,
the spark plug should be tightened to the specified
torque as soon as possible.

3. Install the spark plug cap.

4. Place the fuel tank in the original position, and
then install the bolt.

5. Remove the fuel tank cap by turning it coun­terclockwise.

6. Place the panel in the original position.

1. Projection

2. Slot

7. Install the fuel tank cap by turning it clockwise.

8. Install the bolts and the quick fastener screws.

9. Install the seat.

EBU23308

Engine oil and oil filter element

The engine oil level should be checked before
each ride. In addition, the oil must be changed and
the oil filter element replaced at the intervals spec­ified in the periodic maintenance and lubrication
chart.

8-14

To check the engine oil level

TIP

TIP

4

3

1

1

2

5

6

1. Place the ATV on a level surface.

2. Start the engine, warm it up until the engine oil
has reached a normal temperature of 40 °C
(104 °F), let it continue to idle for ten seconds
or more, and then turn the engine off.

To achieve the proper engine oil temperature for
an accurate oil level reading, the engine must have
first completely cooled down, and then warmed up
again for several minutes to normal operating tem­perature.

3. Remove the engine oil tank filler cap, and then
wipe the engine oil dipstick off with a clean
rag.

4. Insert the dipstick into the filler hole (without
screwing it in), and then remove it again to
check the oil level.

1. Engine oil tank filler cap

2. Engine oil dipstick

3. Engine oil tank

4. Crankcase engine oil filler cap

5. Maximum level mark

6. Minimum level mark

The engine oil should be between the minimum
and maximum level marks.

5. If the engine oil is at or below the minimum
level mark, add sufficient oil of the recom­mended type through the engine oil tank filler
hole to raise it to the correct level. NOTICE:

8

8-15

Be sure the engine oil is at the correct lev-

TIP

1

2

el, otherwise engine damage may result.

[ECB00851]

When adding oil, be careful not to overfill the en­gine oil tank; the oil level rises faster starting from
the half-level-portion on the dipstick.

6. Insert the dipstick into the engine oil tank filler
hole, and then tighten the engine oil tank filler
cap. NOTICE: Make sure that the engine oil

tank filler cap is securely tightened; other­wise, oil may seep out when the engine is
running.

To change the engine oil (with or without oil fil-

8

[ECB00362]

ter element replacement)

1. Place the ATV on a level surface.

2. Remove the engine guard by removing the
bolts.

1. Engine guard

2. Bolt

3. Start the engine, warm it up for several min­utes, and then turn it off.

4. Place an oil pan under the engine to collect
the used oil.

5. Remove the crankcase engine oil filler cap,
and the crankcase engine oil drain bolt and its
gasket.

8-16

TIP

1. Crankcase engine oil drain bolt

21

1

2

2. Gasket

6. Remove the engine oil tank filler cap, and the
engine oil tank drain bolt and its gasket.

1. Engine oil tank drain bolt

2. Gasket

Skip steps 7–10 if the oil filter element is not being
replaced.

7. Remove the oil filter element cover by remov­ing the bolts.

8

8-17

TIP

1. Oil filter element cover

1

2

1

2

2

2. Bolt

8. Remove the oil filter element and the O-rings.

8

9. Install a new oil filter element and new O­rings.

Make sure that the O-rings are properly seated.

10. Install the oil filter element cover by installing
the bolts, and then tighten them to the speci­fied torque.

Tightening torque:

Oil filter element cover bolt:

10 Nm (1.0 m·kgf, 7.2 ft·lbf)

11. Install the crankcase engine oil drain bolt, the
engine oil tank drain bolt and their new gasket,
and then tighten the bolts to the specified
torques.

Tightening torques:

Crankcase engine oil drain bolt:

20 Nm (2.0 m·kgf, 14 ft·lbf)

Engine oil tank drain bolt:

19 Nm (1.9 m·kgf, 14 ft·lbf)

1. Oil filter element

2. O-ring

8-18