Yamaha YFM45FXV User Manual
OWNER’S MANUAL
MANUEL DU PROPRIÉTAIRE
MANUAL DEL PROPIETARIO
YFM45FXV
3C2-F8199-60
YAMAHA MOTOR CO., LTD.
PRINTED IN USA
2005.08-0.9×2 CR
(E,F,S)
OWNER’S MANUAL
YFM45FXV
3C2-F8199-60-E0
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INTRODUCTION
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Congratulations on your purchase of the Yamaha YFM45FXV. 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 CAUTION LABELS ON THE ATV.
● THIS ATV, AND ANY OTHER ATV OVER 90 cc, 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 REC-
REATIONAL AND COMPETITIVE USE BY EXPERIENCED OPERATORS.
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IMPORTANT MANUAL INFORMATION
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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:
The Safety Alert Symbol means ATTENTION! BECOME ALERT! YOUR
SAFETY IS INVOLVED!
Failure to follow WARNING instructions could result in severe injury
WARNING
or death to the ATV operator, a bystander, or a person inspecting or
repairing the ATV.
CAUTION:
NOTE:
A CAUTION indicates special precautions that must be taken to avoid
damage to the ATV.
A NOTE provides key information to make procedures easier or clearer.
* Product and specifications are subject to change without notice.
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IMPORTANT NOTICE
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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
YFM45FXV
OWNER ’S MANUAL
©2005 by Yamaha Motor Co., Ltd.
1st edition, July 2005
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 unit ....................................... 4-3
Handlebar switches .................................... 4-4
Throttle lever .............................................. 4-6
Speed limiter .............................................. 4-6
Front brake lever ........................................ 4-7
Brake pedal and rear brake lever ............... 4-7
Drive select lever ........................................ 4-8
Fuel tank cap .............................................. 4-8
Fuel ............................................................ 4-9
Fuel cock .................................................. 4-10
Starter (choke) ..........................................4-11
Seat ..........................................................4-12
Storage compartment ...............................4-13
Adjusting the front shock absorber
assemblies ................................................4-14
Adjusting the rear shock absorber
assembly ...................................................4-15
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
Coolant .......................................................5-3
Front and rear brakes .................................5-4
Throttle lever ...............................................5-5
Tires ............................................................5-5
Measuring the tire pressure ........................5-6
Tire wear limit .............................................5-7
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
Operating the drive select lever and driving
in reverse ................................................... 6-3
Engine break-in .......................................... 6-5
Parking ....................................................... 6-5
Parking on a slope ..................................... 6-6
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 .............................. 7-12
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... .................................... 7-23
WHAT TO DO... ........................................ 7-23
PERIODIC MAINTENANCE AND MINOR
REPAIR ..........................................................8-1
Owner’s manual and tool kit .......................8-1
Periodic maintenance and lubrication
chart ............................................................8-3
Removing and installing cowlings and
panels .........................................................8-8
Checking the spark plug ...........................8-14
Engine oil and oil filter cartridge ................8-16
Final gear oil .............................................8-21
Changing the differential gear oil ..............8-23
Coolant .....................................................8-25
Cleaning the air filter element ...................8-30
V-belt cooling duct check hose .................8-32
V-belt case drain plug ...............................8-33
Adjusting the carburetor ............................8-33
Adjusting the engine idling speed .............8-34
Adjusting the throttle cable free play .........8-35
Valve clearance ........................................8-35
Adjusting the drive select lever safety
system cable .............................................8-36
Checking the front and rear brake pads ...8-36
Checking the brake fluid level ...................8-37
Changing the brake fluid ...........................8-39
Checking the front brake lever free play ...8-39
Adjusting the rear brake lever free play and
checking the brake pedal position ............8-40
Axle boots ................................................ 8-42
Brake light switches ................................. 8-42
Checking and lubricating the cables ........ 8-43
Checking and lubricating the front and rear
brake levers .............................................. 8-43
Checking and lubricating the brake
pedal ........................................................ 8-44
Checking the wheel bearings ................... 8-44
Lubricating the drive shaft universal
joint ........................................................... 8-44
Lubricating the knuckle pivots .................. 8-45
Lubricating the knuckle shafts .................. 8-45
Lubricating the steering shaft ................... 8-45
Battery ...................................................... 8-45
Replacing a fuse ...................................... 8-47
Replacing a headlight bulb ....................... 8-48
Adjusting a headlight beam ...................... 8-50
Replacing the tail/brake light bulb ............ 8-51
Removing a wheel .................................... 8-51
Installing a wheel ...................................... 8-52
Troubleshooting ....................................... 8-53
Troubleshooting charts ............................. 8-54
CLEANING AND STORAGE.......................... 9-1
Cleaning ..................................................... 9-1
Storage ....................................................... 9-2
SPECIFICATIONS .......................................10-1
CONSUMER INFORMATION.......................11-1
Identification numbers ...............................11-1
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SAFETY INFORMATION
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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.
● Never carry a passenger on an ATV.
1
● 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. To avoid stalling, maintain a steady speed when climbing a
1-2
hill. If you stall or 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. Allow greater distance for braking.
EWB00060
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 ignition such as the pilot lights of water heaters and clothes dryers. Gasoline can catch
fire and you could be burned.
1
1-3
● When transporting the ATV in another vehi-
cle, be sure it is kept upright and that the fuel
1
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,
see your doctor 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
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LOCATION OF THE WARNING AND SPECIFICATION LABELS
2
2-1
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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
2-323-1
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DESCRIPTION
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Left view
3
1. Front shock absorber assembly spring preload adjusting
ring
2. Fuel cock
3. Air filter case
4. Fuses
5. Storage compartment and tool kit
6. Seat lock lever
7. Rear shock absorber assembly spring preload adjusting
ring
8. Engine oil dipstick
9. Oil filter cartridge
10.Coolant reservoir
11.V-belt cooling duct check hose
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Right view
1. Tail/brake light
2. Spark plug
3. Rear brake fluid reservoir
4. Radiator cap
5. Front shock absorber assembly spring preload adjusting
ring
6. Brake pedal
7. V-belt case
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Controls and instruments
1. Rear brake lever
2. Left handlebar switches
3. Starter (choke)
4. Drive select lever
5. Main switch
6. Speedometer unit
7. Fuel tank cap
8. On-Command four-wheel-drive switch
9. Front brake lever
10.Throttle lever
NOTE:
The ATV you have purchased may differ slightly
from the figures shown in this manual.
3
3-2
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INSTRUMENT AND CONTROL FUNCTIONS
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Main switch
The positions of the main switch are as follows:
ON
All electrical systems are supplied with power. The
4
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.
1. Main switch
4-1
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Indicator lights and warning light
1. Coolant temperature warning light “”
2. Neutral indicator light “N”
3. Reverse indicator light “R”
4. Park indicator light “P”
5. Four-wheel-drive indicator “”
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Reverse indicator light “”
This indicator light comes on when the transmission is in the reverse position.
NOTE:
If the indicator light flashes or the speedometer
does not show the speed while riding, have a
Yamaha dealer check the speed sensor circuit.
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Neutral indicator light “”
This indicator light comes on when the transmission is in the neutral position.
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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.
ECB00010
CAUTION:
● 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.
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Four-wheel-drive indicator “”
This indicator comes on when the 2WD/4WD
switch is set to the 4WD position.
4
4-2
NOTE:
Due to the synchronizing mechanism in the differential gear case, the indicator may not come on until the ATV starts moving.
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Park indicator light “”
This indicator light comes on when the transmis-
4
sion is in the park position.
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Speedometer unit
1. Speedometer
2. Odometer/tripmeter
3. “SELECT” button
The speedometer unit is equipped with the following:
● a speedometer (which shows the riding speed)
● an odometer (which shows the total distance
traveled)
● a tripmeter (which shows the distance traveled
since it was last set to zero)
Odometer and tripmeter modes
Pushing the “SELECT” button switches the display
between the odometer mode “ODO” and the tripmeter mode “TRIP” in the following order:
ODO → TRIP → ODO
To reset the tripmeter, select it by pushing the “SE-
LECT” button, and then push the “SELECT” button
for at least two seconds. The tripmeter can be used
to estimate the distance that can be traveled with a
full tank of fuel. This information will enable you to
plan future fuel stops.
NOTE:
Pushing in the “SELECT” button, then turning the
key to “ON”, and keeping them in this position for
at least two seconds switches the display between
“mph” and “km/h”.
4-3
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Handlebar switches
1. Light switch “ //OFF”
2. Engine stop switch “ / ”
3. Start switch “”
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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 “”.
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Start switch “”
Push this switch to crank the engine with the starter.
ECB00050
CAUTION:
See the starting instructions on page 6-1 prior
to starting the engine.
4
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
CAUTION:
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.
4-4
EBU26600
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.
4
● “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. Then, the four-wheel-drive indicator “” comes on in the speedometer unit display.
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”
EWB00160
WARNING
Always stop the ATV before changing from
two-wheel drive to four-wheel drive and viceversa. The ATV handles differently in twowheel drive than in to four-wheel drive in some
circumstances. Changing from two-wheel
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.
4-5
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
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 operation 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.
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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).
4
4-6
4
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 8-35.)
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Front brake lever
The front brake lever is located on the right handlebar. To apply the front brake, pull the lever toward
the handlebar grip.
1. Front brake lever
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Brake pedal and rear brake lever
The brake pedal is located on the right side of the
ATV and the rear brake lever is located on the left
handlebar. To apply the rear brake, push down on
the pedal or pull the lever toward the handlebar
grip.
4-7
1. Brake pedal
1. Rear brake lever
EBU18621
Drive select lever
The drive select lever is used to shift your ATV into
the forward, neutral, reverse and park positions.
See the “Operating the drive select lever and driving in reverse” section on page 6-3 for the drive select lever operation.
4
1. Drive select lever
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Fuel tank cap
Remove the fuel tank cap by turning it counterclockwise.
4-8
4
1. Fuel tank cap 1. Fuel level
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Fuel
Make sure that there is sufficient fuel in the tank.
Fill the fuel tank to the bottom of the filler tube as
shown.
4-9
2. Fuel tank filler tube
Recommended fuel:
UNLEADED GASOLINE ONLY
For Europe: Regular unleaded gasoline only
with a research octane number of 91 or higher
Fuel tank capacity:
14.5 L (3.83 US gal) (3.19 Imp.gal)
Fuel reserve amount:
4.5 L (1.19 US gal) (0.99 Imp.gal)
NOTE:
If knocking or pinging occurs, use a different brand
of gasoline or higher octane grade.
ECB00070
CAUTION:
Use only unleaded gasoline. The use of leaded
gasoline will cause severe damage to internal
engine parts, such as the valves and piston
rings, as well as to the exhaust system.
EWB00310
WARNING
● Do not overfill the fuel tank. Fuel expands
when it heats up. If the fuel tank is overfilled,
fuel could spill out due to heat from the engine or the sun.
● Be careful not to spill fuel, especially on the
engine or exhaust pipe which can cause a
fire and severe injury. Wipe up any spilled
fuel immediately.
● Do not refuel right after the engine has been
running and is still very hot.
● Be sure the fuel tank cap is closed securely.
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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
RES
4
1. Arrow mark positioned over “ON” 1. Arrow mark positioned over “RES”
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.
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”!
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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
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