8-51
8
Make sure the brakes are not spongy. All air
must be bled from the brake system.
Replacement of brake components requires
professional knowledge. These proceduresshould be performed by a Yamaha dealer.EBU24230Axle boots The axle boots must be checked for damage at the
intervals specified in the periodic maintenance and
lubrication chart. Check the axle boots for tears or
damage. If any damage is found, have them re-
placed by a Yamaha dealer.
EBU24900Checking and lubricating the cables The operation and the condition of all control ca-
bles should be checked before each ride, and the
cables and cable ends should be lubricated if nec-
essary. If a cable is damaged or does not move
smoothly, have a Yamaha dealer check or replace
it.
1. Front axle boot (each side)
1. Rear axle boot (each side)Recommended lubricant:
Engine oil
U3B462E0.book Page 51 Tuesday, March 20, 2007 11:46 AM
8-64
8
EBU27690Troubleshooting charts Starting problems or poor engine performance
Check the fuel level in
the fuel tank.1. Fuel
There is enough fuel.
There is no fuel.
Check the compression.
Supply fuel.
The engine does not start.
Check the compression.
Operate the electric starter.2. Compression
There is compression.
There is no compression.
Check the ignition.
Have a Yamaha dealer
check the ATV.
Remove the spark plug
and check the electrodes.3. Ignition
Wipe off with a dry cloth and correct the
spark plug gap, or replace the spark plug.
Have a Yamaha dealer check the ATV.
The engine does not start.
Have a Yamaha dealer
check the ATV.
The engine does not start.
Check the battery.
Operate the electric starter.4. Battery
The engine turns over
quickly.
The engine turns over
slowly.
The battery is good.Check the battery lead connections,
and charge the battery if necessary.
DryWet
Operate the electric starter.
U3B462E0.book Page 64 Tuesday, March 20, 2007 11:46 AM
8-65
8Engine overheating
WARNING
EWB02290Wait for the engine and radiator to cool before removing the radiator cap. You could be burned by
hot fluid and steam blown out under pressure. Always put a thick rag over the cap when opening.Allow any remaining pressure to escape before completely removing the cap.NOTE:If coolant is not available, tap water can be temporarily used instead, provided that it is changed to the rec-ommended coolant as soon as possible.Wait until the
engine has cooled.
Check the coolant level in the
reservoir and radiator.
The coolant level
is OK.The coolant level is low.
Check the cooling system
for leakage.
Have a Yamaha dealer check
and repair the cooling system.Add coolant. (See NOTE.)
Start the engine. If the engine overheats again, have a
Yamaha dealer check and repair the cooling system.
There is
leakage.
There is
no leakage.
U3B462E0.book Page 65 Tuesday, March 20, 2007 11:46 AM
INDEX
AAccessories and loading ................................................ 6-6
Accessories, auxiliary jack ........................................... 4-22
Air filter element, cleaning ............................................ 8-36
Axle boots .................................................................... 8-51BBattery .......................................................................... 8-54
Brake fluid, changing .................................................... 8-47
Brake fluid level, checking ............................................ 8-46
Brake hose protectors, checking the rear .................... 8-45
Brake lever, front .......................................................... 4-14
Brake levers, checking and lubricating ......................... 8-52
Brake pads, checking the front and rear ...................... 8-44
Brake pedal and rear brake lever ................................. 4-14
Brake pedal, checking and lubricating ......................... 8-53
Brake pedal free play and brake pedal position,
adjusting and checking .............................................. 8-49
Brakes, front and rear .................................................... 5-4CCables, checking and lubricating ................................. 8-51
Carrier, front ................................................................. 4-21
Carrier, rear .................................................................. 4-21
Chassis fasteners ........................................................... 5-7
Cleaning ......................................................................... 9-1
Coolant .................................................................. 5-3, 8-30
Coolant temperature warning light ................................. 4-2DDifferential gear lock indicator light ................................ 4-4Differential gear oil ................................................ 5-3, 8-28
Drive select lever .......................................................... 4-15
Drive select lever and driving in reverse ........................ 6-2
Drive select lever safety system cable, adjusting ......... 8-44
EEngine break-in .............................................................. 6-4
Engine idling speed ...................................................... 8-42
Engine oil ....................................................................... 5-3
Engine oil and oil filter cartridge ................................... 8-22
Engine stop switch ......................................................... 4-7
Engine trouble warning light ........................................... 4-3
EPS warning light ........................................................... 4-3FFinal gear oil .......................................................... 5-3, 8-26
Four-wheel-drive/differential gear lock indicator ............ 4-3
Front and rear brake lever free play, checking ............. 8-48
Fuel ....................................................................... 4-16, 5-3
Fuel tank cap ................................................................ 4-15
Fuses, replacing ........................................................... 8-56HHandlebar switches ........................................................ 4-7
Headlight beam, adjusting ............................................ 8-60
Headlight bulb, replacing .............................................. 8-58
High-range indicator light ............................................... 4-4
Horn switch .................................................................... 4-8IIdentification numbers .................................................. 11-1
Indicator lights and warning lights .................................. 4-2
U3B462E0.book Page 1 Tuesday, March 20, 2007 11:46 AM
Instruments, lights and switches .................................... 5-7KKey identification number ............................................. 11-1LLabel locations ............................................................... 2-1
Light switch .................................................................... 4-8
Low-range indicator light ................................................ 4-4MMain switch .................................................................... 4-1
Maintenance and lubrication chart ................................. 8-4
Maintenance chart, emission control system ................. 8-3
Model label ................................................................... 11-2
Multifunction display ....................................................... 4-5NNeutral indicator light ..................................................... 4-2OOn-Command differential gear lock switch .................. 4-10
On-Command four-wheel-drive switch ........................... 4-9
Override switch .............................................................. 4-8
Owner’s manual and tool kit ........................................... 8-1PPanels, removing and installing ..................................... 8-8
Park indicator light ......................................................... 4-4
Parking ........................................................................... 6-5
Parking on a slope ......................................................... 6-5
Part locations ................................................................. 3-1
Pre-operation check list ................................................. 5-1RRadiator grills, removing .............................................. 8-19
Rear knuckle pivots, lubricating ................................... 8-53
Reverse indicator light ................................................... 4-2
Riding your ATV ............................................................. 7-1
SSafety information .......................................................... 1-1
Seat ............................................................................. 4-17
Shock absorber assemblies, adjusting the front
and rear ..................................................................... 4-21
Spark arrester, cleaning ............................................... 8-40
Spark plug, checking ................................................... 8-20
Specifications ............................................................... 10-1
Speed limiter ................................................................ 4-13
Stabilizer bushes, checking ......................................... 8-53
Starting the engine ......................................................... 6-1
Start switch .................................................................... 4-8
Steering shaft, lubricating ............................................ 8-54
Storage .......................................................................... 9-2
Storage compartments ................................................ 4-18TTail/brake light bulb, replacing ..................................... 8-61
Throttle cable free play, adjusting ................................ 8-43
Throttle lever ......................................................... 4-12, 5-5
Tire pressure, measuring ............................................... 5-6
Tires ............................................................................... 5-5
Tire wear limit ................................................................ 5-7
Troubleshooting ........................................................... 8-63
Troubleshooting charts ................................................ 8-64VValve clearance ........................................................... 8-44
V-belt case drain plug .................................................. 8-42
Vehicle identification number ....................................... 11-1WWheel hub bearings, checking ..................................... 8-53
Wheel, installing ........................................................... 8-62
Wheel, removing .......................................................... 8-62
U3B462E0.book Page 2 Tuesday, March 20, 2007 11:46 AM