Yamaha YFM35FGDY 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
YFM35FGDY
4S2-F8199-62
YAMAHA MOTOR CO., LTD.
PRINTED IN USA
2008.06-0.3×1 CR
(E,F,S)
READ THIS MANUAL CAREFULLY!
It contains important safety information.
OWNER’S MANUAL
YFM35FGDY
4S2-F8199-62-E0
EBU27861
Read this manual carefully before operating this vehicle. This manual should stay with this ve-
hicle if it is sold.
EC Declaration of Conformity
conforming to Directive 98/37/
We, YAMAHA MOTOR CO., LTD. 2500 Shingai, Iwata, Japan,
declare in sole responsibility, that the product
YFM350FWAN (5Y4AH15W080501601~)
to which this declaration applies, conforms to the essential health
and safety requirements of Directive 98
(
)
If applicable
and to the other relevant Directives of EEC
(
/
or number and date of issue of the other Directives of EEC
Title and
(
)
If applicable
To effect correct
stated in the Directives of EEC, the
specifications were consulted:
(
/
or number and date of issue of standards and/or specifications
Title and
Manufacturer
YAMAHA MOTOR MANUFACTURING CORPORATION OF AMERICA
Newnan, Georgia 30265-1320, U.S.A.
Authorized Representative
YAMAHA MOTOR EUROPE N.V.
Koolhovenlaan 101, 1119NC Schiphol-Rijk, The Netherlands
(
Make, model
89/336/EEC or 2004/108/EC
application
of the
EN292 ANSI/SVIA 1-2007
Signature
General Manager
RV Engineering Division
RV Company
Date of Issue
EC
)
/37/
EC,
)
essential
health
following-standards and/or
and safety requirements
Shinya Shimada
26 March, 2008
technical
)
EBU17170
INTRODUCTION
EBU17291
Congratulations on your purchase of the Yamaha YFM35FGDY. 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 UNDER-
STAND ALL INSTRUCTIONS.
● PAY CLOSE ATTENTION TO THE WARNING AND NOTICE LABELS ON THE ATV.
● THIS ATV, AND ANY OTHER ATV OVER 90 cc, SHOULD NOT BE RIDDEN BY ANYONE UNDER 16
YEARS OF AGE.
EBU17330
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.
WARNING
NOTICE
TIP
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
EBU17370
Welcome to the Yamaha world of motor sports!
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.
EBU17410
YFM35FGDY
OWNER’S MANUAL
©2008 by Yamaha Motor Co., Ltd.
1st edition, May 2008
All rights reserved.
Any reprinting or unauthorized use
without the written permission of
Yamaha Motor Co., Ltd.
is expressly prohibited.
Printed in U.S.A.
EBU17420
TABLE OF CONTENTS
SAFETY INFORMATION .............................. 1-1
LOCATION OF THE WARNING AND
SPECIFICATION LABELS ............................ 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 lights and warning light ................ 4-2
Speedometer .............................................. 4-3
Handlebar switches .................................... 4-4
Throttle lever .............................................. 4-9
Speed limiter ............................................ 4-10
Front brake lever ...................................... 4-11
Brake pedal and rear brake lever ............. 4-11
Parking brake ........................................... 4-12
Drive select lever ...................................... 4-12
Recoil starter ............................................ 4-13
Fuel tank cap ............................................ 4-13
Fuel ...........................................................4-14
Fuel cock ..................................................4-15
Starter (choke) ..........................................4-16
Seat ..........................................................4-17
Storage compartment ...............................4-18
Front carrier ..............................................4-19
Rear carrier ...............................................4-19
Adjusting the front and rear shock
absorber assemblies ...............................4-19
PRE-OPERATION CHECKS ..........................5-1
Pre-operation check list ..............................5-1
Fuel .............................................................5-3
Engine oil ....................................................5-3
Final gear oil ...............................................5-3
Differential gear oil ......................................5-3
Front and rear brakes .................................5-3
Throttle lever ...............................................5-4
Tires ............................................................5-4
Measuring the tire pressure ........................5-5
Tire wear limit .............................................5-6
Chassis fasteners .......................................5-6
Instruments, lights and switches .................5-6
OPERATION .................................................. 6-1
Starting a cold engine ................................ 6-1
Starting a warm engine .............................. 6-3
Operating the drive select lever and
driving in reverse ...................................... 6-3
Engine break-in .......................................... 6-4
Parking ....................................................... 6-5
Parking on a slope ..................................... 6-5
Accessories and loading ............................ 6-6
RIDING YOUR ATV ...................................... 7-1
GETTING TO KNOW YOUR ATV............... 7-2
RIDE WITH CARE AND GOOD
JUDGEMENT............................................ 7-2
BE CAREFUL WHERE YOU RIDE............. 7-9
TURNING YOUR ATV .............................. 7-13
CLIMBING UPHILL ................................... 7-14
RIDING DOWNHILL.................................. 7-17
CROSSING A SLOPE............................... 7-18
CROSSING THROUGH SHALLOW
WATER ................................................... 7-19
RIDING OVER ROUGH TERRAIN ........... 7-22
SLIDING AND SKIDDING ......................... 7-22
WHAT TO DO IF... .................................... 7-24
WHAT TO DO... ........................................ 7-24
PERIODIC MAINTENANCE AND MINOR
REPAIR ..........................................................8-1
Owner’s manual and tool kit .......................8-1
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 .............................8-9
Engine oil and oil filter cartridge ................8-11
Final gear oil .............................................8-15
Differential gear oil ....................................8-19
Cleaning the air filter element ...................8-21
Cleaning the spark arrester ......................8-24
V-belt cooling duct check hose .................8-25
V-belt case drain plug ...............................8-26
Adjusting the carburetor ............................8-26
Adjusting the engine idling speed .............8-26
Adjusting the throttle cable free play .........8-28
Valve clearance ........................................8-28
Adjusting the drive select lever safety
system cable ...........................................8-29
Checking the front brake pads and
rear brake friction plates .........................8-29
Checking the brake fluid level ...................8-30
Changing the brake fluid ...........................8-31
Checking the front brake lever free play ...8-31
Adjusting the brake pedal and rear brake
lever free play and checking the brake
pedal position ......................................... 8-32
Axle boots ................................................ 8-36
Brake light switches ................................. 8-37
Checking and lubricating the cables ........ 8-38
Checking and lubricating the front and
rear brake levers .................................... 8-38
Checking and lubricating the brake
pedal ...................................................... 8-39
Checking the wheel hub bearings ............ 8-39
Lubricating the drive shaft universal
joint ......................................................... 8-39
Checking the stabilizer bushes ................ 8-40
Lubricating the rear knuckle pivots ........... 8-40
Lubricating the steering shaft ................... 8-40
Battery ...................................................... 8-41
Replacing a fuse ...................................... 8-43
Replacing a headlight bulb ....................... 8-45
Adjusting a headlight beam ...................... 8-46
Replacing the tail/brake light bulb ............ 8-47
Removing a wheel .................................... 8-47
Installing a wheel ...................................... 8-47
Troubleshooting ....................................... 8-49
Troubleshooting chart .............................. 8-50
CLEANING AND STORAGE ..........................9-1
Cleaning ......................................................9-1
Storage .......................................................9-2
SPECIFICATIONS .......................................10-1
CONSUMER INFORMATION.......................11-1
Identification numbers ...............................11-1
EBU17430
SAFETY INFORMATION
EBU17562
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.
● 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.
1
● Never carry a passenger on an ATV.
● Always avoid operating an ATV on any paved
surfaces, including sidewalks, driveways, parking lots and paved streets.
● Never operate an ATV on any paved street,
paved road or 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.
● 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.
1-1
● Always inspect your ATV each time you use it to
make sure it is in safe operating condition. Al-
1
ways follow the inspection and maintenance
procedures and schedules described in this
manual.
● Always keep both hands on the handlebars and
both feet on the footboards of the ATV during
operation.
● Always go slowly and be extra careful when 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. 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.
● Always use proper procedures if you stall or roll
backwards when climbing a hill. Maintain a
steady speed when climbing a hill. If you stall or
1-2
roll 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 be sure there are no obstacles or people
behind you when you operate in reverse. When
it is safe to proceed in reverse, go slowly.
● Always use the size and type of tires specified in
this manual.
● Always maintain proper tire pressure as de-
scribed in this manual.
● Never modify an ATV through improper installa-
tion or use of accessories.
● 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.
EWB00061
WARNING
● Always turn off the engine when refueling.
● Do not refuel right after the engine has been
running and is still very hot.
● Do not spill gasoline on the engine or ex-
haust pipe/muffler when refueling. Never refuel while smoking, or in the vicinity of
sparks, open flames, or other sources of ig-
1
1-3
nition such as the pilot lights of water heaters and clothes dryers. Gasoline can catch
1
fire and you could be burned.
● When transporting the ATV in another vehi-
cle, 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.
● Gasoline is poisonous. If you should swal-
low some gasoline or inhale a lot of gasoline
vapor, or get some gasoline in your eyes,
seek medical help immediately. If gasoline
spills on your skin, wash with soap and water. If gasoline spills on your clothing,
change your clothes.
EWB00070
WARNING
Always operate your ATV in an area with adequate ventilation. Never start or run the engine
in a closed area. Exhaust fumes are poisonous
and may cause loss of consciousness and
death within a short time.
1-4
EBU17660
LOCATION OF THE WARNING AND SPECIFICATION LABELS
2
2-1
EBU17670
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 replace-
2
ment label from your Yamaha dealer.
2-2
2-322-4
7
9
2
8
10
MODEL: YFM350FWAN
MAX. POWER: 15.9 kW
MASS IN RUNNING ORDER: 275 kg
4S2-F155A-10
EBU17680
DESCRIPTION
EBU17690
Left view
1. Front shock absorber assembly spring preload adjusting
ring
2. Fuel cock
3. Throttle stop screw
4. Fuses
5. Battery
6. Rear shock absorber assembly spring preload adjusting
ring
7. Recoil starter
8. Engine oil filler cap
9. Oil filter cartridge
10.V-belt cooling duct check hose
EBU17700
Right view
3
1. Spark arrester
2. Storage compartment and tool kit
3. Air filter case
4. Spark plug
5. Rear brake light switch
6. Brake pedal
7. V-belt case drain plug
3-1
EBU17712
Controls and instruments
3
1. Rear brake lever
2. Handlebar switches
3. Starter (choke)
4. Parking brake lock plate
5. Horn switch
6. Drive select lever
7. Speedometer
8. Main switch
9. Fuel tank cap
10.On-Command four-wheel-drive/differential gear lock
switch
11.Throttle lever
12.Front brake lever
TIP
The ATV you have purchased may differ slightly
from the figures shown in this manual.
3-2
EBU17732
INSTRUMENT AND CONTROL FUNCTIONS
EBU17770
Main switch
The positions of the main switch are as follows:
ON
All electrical systems are supplied with power. The
headlights, meter lighting 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.
4
1. Main switch
4-1
EBU17813
Indicator lights and warning light
4
1. Reverse indicator light “REVERSE”
2. Neutral indicator light “NEUTRAL”
3. Oil temperature warning light “”
4. On-Command differential gear lock indicator light “”
5. On-Command four-wheel-drive indicator light “”
EBU28331
Reverse indicator light “REVERSE”
This indicator light comes on when the transmission is in the reverse position.
Furthermore, this indicator light flashes:
● when the override switch is being pushed,
● when the engine is being raced for 10 seconds
or more.
TIP
If the indicator light flashes under any other circumstances or the speedometer does not show the
speed while riding, have a Yamaha dealer check
the speed sensor circuit.
EBU17870
Neutral indicator light “NEUTRAL”
This indicator light comes on when the transmission is in the neutral position.
EBU26931
Oil temperature warning light “”
This warning light comes on when the engine overheats. When this occurs, stop the engine as soon
as it is safe to do so, and allow it to cool.
The electrical circuit of the warning light can be
checked by turning the key to “ON”, with the engine
stop switch set to “”, and then pushing the start
switch.
If the warning light does not come on while the start
switch is being pushed, then go off after the start
switch is released, have a Yamaha dealer check
the electrical circuit.
4-2
If the warning light stays on, allow the engine to
cool. If the warning light stays on when the engine
is cool, have a Yamaha dealer check the electrical
circuit.
ECB00010
NOTICE
● 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.
EBU17952
On-Command four-wheel-drive indicator
light “”
This indicator light comes on when the On-Command four-wheel-drive switch is set to the “4WD”
position.
TIP
Due to the synchronizing mechanism in the differential gear case, the light may not come on until
the ATV starts moving.
EBU28341
On-Command differential gear lock indicator
light “”
This indicator light and the On-Command fourwheel-drive indicator light “” come on when the
On-Command differential gear lock switch is set to
the “LOCK” position.
EBU18020
Speedometer
The speedometer shows the riding speed. This
speedometer is equipped with an odometer and a
tripmeter. The tripmeter can be reset to “0” with the
reset knob. Use the tripmeter to estimate how far
you can ride on a tank of fuel before going to reserve. This information will enable you to plan fuel
stops in the future.
4
4-3
4
1. Reset knob
2. Speedometer
3. Odometer
4. Tripmeter
EBU18061
Handlebar switches
1. Light switch “ / /OFF”
2. Start switch “”
3. Engine stop switch “ / ”
4. Override switch “OVERRIDE”
5. Horn 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 “”.
4-4
EBU18100
Start switch “”
Push this switch to crank the engine with the starter.
ECB00050
NOTICE
See the starting instructions on page 6-1 prior
to starting the engine.
EBU18160
Light switch “ //OFF”
Set this switch to “” to turn on the low beams,
the taillight and the meter lighting. Set the switch
to “” to turn on the high beams, the taillight and
the meter lighting. Set the switch to “OFF” to turn
off all the lights.
ECB00040
NOTICE
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.
EBU18170
Horn switch “”
Press the switch to sound the horn.
EBU28510
Override switch “OVERRIDE”
4
1. Override switch “OVERRIDE”
Top speed is normally limited when operating in
differential gear lock. If conditions require more engine power when riding forward, push and hold this
switch to override the differential gear lock speed
limiting function. (See page 4-7.) Releasing the
switch restores the speed limiting function.
While the override switch is pushed, the reverse indicator light “REVERSE” will flash.
4-5
EWB00150
WARNING
Always ride at a slow speed when the ATV is in
four-wheel-drive differential gear lock, and allow extra time and distance for maneuvers.
All wheels turn at the same speed when the differential is locked, so it takes more effort to
turn the ATV. The effort needed to turn increas-
4
es with the riding speed. You may lose control
and have an accident if you cannot make a
sharp enough turn for the speed you are traveling.
EBU28431
On-Command four-wheel-drive switch
“2WD”/“4WD”
This ATV is equipped with a switch to change from
two-wheel drive to four-wheel drive and vice versa.
Select the appropriate drive according to the terrain and the conditions.
● “2WD” (two-wheel drive): Power is supplied to
the rear wheels.
● “4WD” (four-wheel drive): Power is supplied to
the rear and front wheels.
To change from two-wheel drive to four-wheel
drive, stop the ATV and push the switch in to the
“4WD” position. The four-wheel-drive indicator
light “” comes on.
To change from four-wheel drive to two-wheel
drive, stop the ATV and push the switch in to the
“2WD” position.
1. On-Command four-wheel-drive switch “2WD”/“4WD”
EWB00163
WARNING
Always stop the ATV before changing from
two-wheel drive to four-wheel drive and vice
versa. The ATV handles differently in twowheel drive than in four-wheel drive in some
circumstances. Changing from two-wheel
4-6
drive to four-wheel drive or vice versa while
moving may cause the ATV to unexpectedly
handle differently. This could distract the operator and increase the risk of losing control and
of causing an accident.
EBU28371
On-Command differential gear lock switch
“4WD”/“LOCK”
This ATV is equipped with a switch allowing you to
lock the differential gear when in four-wheel drive.
Select the appropriate switch position according to
the terrain and the conditions.
● “4WD” (four-wheel drive): Power is supplied to
the rear and front wheels.
● “LOCK” (four-wheel drive with the differential
gear locked): Power is supplied to the rear and
front wheels and the differential gear is locked.
Unlike in four-wheel drive, all wheels turn at the
same speed.
4
1. On-Command four-wheel-drive switch “2WD”/“4WD”
2. On-Command differential gear lock switch “4WD”/“LOCK”
To lock the differential gear in four-wheel drive,
make sure the On-Command four-wheel-drive
switch is pushed in to the “4WD” position.
4-7
4
1. Differential gear lock lever
2. On-Command four-wheel-drive switch “2WD”/“4WD”
Stop the ATV, move the differential gear lock lever
to position (a), and then push the differential gear
lock switch in to the “LOCK” position. When the differential gear is locked, the differential gear lock indicator light “” comes on.
1. On-Command differential gear lock switch “4WD”/“LOCK”
To release the differential gear lock, stop the ATV
and push the switch to the “4WD” position.
EWB00131
WARNING
Always stop the ATV before changing from
four-wheel drive to four-wheel-drive differential gear lock or vice versa.
The ATV handles differently in four-wheel drive
than in differential gear lock in some circumstances. Changing from four-wheel drive to differential gear lock or vice versa while moving
may cause the ATV to handle differently unex-
4-8
pectedly. This could distract the operator and
increase the risk of losing control and causing
an accident.
EWB00140
WARNING
Always ride at a slow speed when the ATV is in
differential gear lock, and allow extra time and
distance for maneuvers.
All wheels turn at the same speed when the differential gear is locked, so it takes more effort
to turn the ATV. The effort needed to turn increases with the riding speed. You may lose
control and have an accident if you cannot
make a sharp enough turn for the speed you
are traveling.
TIP
● If the differential gear lock is not engaging prop-
erly, turn the handlebar back and forth to help it
engage.
● Riding before the differential gear lock is proper-
ly engaged will cause the engine speed to be
limited until engagement is complete.
● When the ATV is in four-wheel-drive differential
gear lock, the maximum traveling speed is limited to 31 km/h (19 mi/h). However, if conditions
require full engine power to be available, push
and hold the override switch to disable the differential gear lock speed limiter. (See page 4-5 for
a detailed explanation of this switch.)
EBU18280
Throttle lever
Once the engine is running, movement of the throttle lever will increase the engine speed.
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 hand is removed from
the throttle lever.
1. Throttle lever
4
4-9
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.
EWB00250
WARNING
Malfunction of the throttle could make it difficult to speed up or slow down when you need
to. This could cause an accident. Check the op-
4
eration of the throttle lever before you start the
engine. If the throttle does not work smoothly,
check for the cause. Correct the problem before riding the ATV or consult a Yamaha dealer.
EBU18321
Speed limiter
Your ATV was delivered 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).
1. Locknut
2. Adjusting screw
3. No more than 12 mm (0.47 in)
3. Tighten the locknut.
EWB00240
WARNING
Improper adjustment of the speed limiter and
throttle could cause throttle cable damage or
improper throttle operation. You could lose
control, have an accident or be injured. 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 3.0–5.0 mm (0.12–0.20 in).
(See page 8-28.)
4-10
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