Page 8 of 144

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 ............................................ 4-13Fuel ...........................................................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 .......................................5-7
Instruments, lights and switches .................5-7U4S260E0.book Page 1 Tuesday, October 3, 2006 1:53 PM
Page 14 of 144
1-4
1nition such as the pilot lights of water heat-
ers and clothes dryers. Gasoline can catch
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 wa-
ter. If gasoline spills on your clothing,change your clothes.
WARNING
EWB00070Always operate your ATV in an area with ade-
quate ventilation. Never start or run the engine
in a closed area. Exhaust fumes are poisonous
and may cause loss of consciousness anddeath within a short time.
U4S260E0.book Page 4 Tuesday, October 3, 2006 1:53 PM
Page 23 of 144
4-1
4
EBU17731
INSTRUMENT AND CONTROL FUNCTIONS
EBU17770Main 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 re-
moved.
1. Main switch
U4S260E0.book Page 1 Tuesday, October 3, 2006 1:53 PM
Page 24 of 144

4-2
4
EBU17813Indicator lights and warning light EBU28331Reverse indicator light “REVERSE”
This indicator light comes on when the transmis-
sion 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.
NOTE:If the indicator light flashes under any other circum-
stances or the speedometer does not show the
speed while riding, have a Yamaha dealer checkthe speed sensor circuit.EBU17870Neutral indicator light “NEUTRAL”
This indicator light comes on when the transmis-
sion is in the neutral position.EBU26931Oil temperature warning light “”
This warning light comes on when the engine over-
heats. 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.
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 “”U4S260E0.book Page 2 Tuesday, October 3, 2006 1:53 PM
Page 27 of 144

4-5
4
EBU18100Start switch “”
Push this switch to crank the engine with the start-
er.CAUTION:ECB00050See the starting instructions on page 6-1 priorto starting the engine.EBU18160Light 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.CAUTION:ECB00040Do not use the headlights with the engine
turned off for an extended period of time, oth-
erwise the battery may discharge to the point
that the starter motor will not operate properly.
If this should happen, remove the battery andrecharge it.
EBU18170Horn switch “”
Press the switch to sound the horn.EBU28510Override switch “OVERRIDE”
Top speed is normally limited when operating in
differential gear lock. If conditions require more en-
gine 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 in-
dicator light “REVERSE” will flash.1. Override switch “OVERRIDE”
U4S260E0.book Page 5 Tuesday, October 3, 2006 1:53 PM
Page 45 of 144

5-2
5
WARNING
EWB00480Always 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 the Owner’sManual. Failure to inspect increases the possibility of an accident or equipment damage.Throttle leverMake sure that operation is smooth. Lubricate cable and lever hous-
ing if necessary.
Check cable free play, and adjust if necessary.5-4, 8-26
Control cablesMake sure that operation is smooth. Lubricate if necessary. 8-36
Wheels and tiresCheck wheel condition, and replace if damaged.
Check tire condition and tread depth. Replace if necessary.
Check air pressure. Correct if necessary.5-4, 5-5, 5-6
Brake pedal Make sure that operation is smooth. Lubricate pedal pivoting point if
necessary.8-37
Brake leversMake sure that operation is smooth. Lubricate lever pivoting points if
necessary.8-36
Axle bootsCheck for cracks or damage, and replace if necessary. 8-34
Chassis fastenersMake sure that all nuts, bolts and screws are properly tightened. 5-7
Instruments, lights and
switchesCheck operation, and correct if necessary. 5-7 ITEM ROUTINE PAGE
U4S260E0.book Page 2 Tuesday, October 3, 2006 1:53 PM
Page 50 of 144
5-7
5
EBU19840Chassis fasteners Make sure that all nuts, bolts and screws are prop-
erly tightened.EBU19850Instruments, lights and switches Check that all instruments, lights and switches are
working properly. Correct if necessary.1. Tire wear limitU4S260E0.book Page 7 Tuesday, October 3, 2006 1:53 PM
Page 88 of 144

8-6
8
EBU28390NOTE:
The air filter needs more frequent service if you are riding in unusually wet or dusty areas.Hydraulic brake service
Regularly check and, if necessary, correct the brake fluid level.27*Moving parts and
cablesLubricate.√√√√
28*Drive select lever
safety system cableCheck operation and adjust or replace if neces-
sary.√√√
29*Throttle lever hous-
ing and cableCheck operation and correct if necessary.
Check throttle cable free play and adjust if neces-
sary.
Lubricate throttle lever housing and cable.√√√√√
30*Exhaust systemCheck for leakage and replace gasket(s) if neces-
sary.
Check for looseness and tighten all screw clamps
and joints if necessary.√√√
31 Spark arresterClean.√√√
32*Front and rear brake
switchesCheck operation and correct if necessary.√√√√√
33*Lights and switchesCheck operation and correct if necessary.
Adjust headlight beams.√√√√√ NO. ITEMCHECK OR MAINTENANCE
JOBINITIAL EVERY
Whichev-
er comes
firstmonth136612
km
(mi)320
(200)1200
(750)2400
(1500)2400
(1500)4800
(3000)
hours 20 75 150 150 300U4S260E0.book Page 6 Tuesday, October 3, 2006 1:53 PM