2008 YAMAHA GRIZZLY 660 light

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
Multifunction display ................................... 4-4
Handlebar switches .................................... 4-6
Throttle lever ............................................ 4-11
Speed limiter ............................................ 4-12
Front brake lever ...................................... 4-12
Brake pedal and rear brake lever ............. 4-13
Drive select lever ...................................... 4-14
Recoil starter ............................................ 4-14
Fuel tank cap ............................................ 4-14
Fuel .......................................................... 4-15Fuel cock ..................................................4-16
Starter (choke) ..........................................4-17
Seat ..........................................................4-18
Storage compartment ...............................4-19
Front carrier ..............................................4-20
Rear carrier ...............................................4-20
Adjusting the front and
rear shock absorber assemblies .............4-20
Auxiliary DC jack .......................................4-21
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 .................5-7U23D60E0.book Page 1 Thursday, March 15, 2007 7:59 PM

Adjusting the rear brake lever free play
and checking the brake pedal position ... 8-42
Axle boots ................................................ 8-44
Brake light switches ................................. 8-44
Checking and lubricating the cables ........ 8-45
Checking and lubricating
the front and rear brake levers ............... 8-45
Checking and
lubricating the brake pedal ..................... 8-46
Checking the wheel hub bearings ............ 8-47
Checking the stabilizer bushes ................ 8-47
Lubricating the rear knuckle pivots ........... 8-47
Lubricating the steering shaft ................... 8-48
Battery ...................................................... 8-48
Replacing a 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 ...................................... 8-54
Troubleshooting ....................................... 8-56
Troubleshooting charts ............................. 8-57
CLEANING AND STORAGE .......................... 9-1
Cleaning ..................................................... 9-1
Storage ....................................................... 9-2SPECIFICATIONS .......................................10-1
CONSUMER INFORMATION.......................11-1
Identification numbers ...............................11-1
U23D60E0.book Page 3 Thursday, March 15, 2007 7:59 PM

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.
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3-2
3
EBU17712Controls and instruments
NOTE:The ATV you have purchased may differ slightlyfrom the figures shown in this manual.
1. Drive select lever
2. Rear brake lever
3. Handlebar switches
4. Horn switch
5. Starter (choke)
6. Multifunction display
7. Main switch
8. On-Command four-wheel-drive/differential gear lock
switch
9. Throttle lever
10.Front brake lever
11.Auxiliary DC jackU23D60E0.book Page 2 Thursday, March 15, 2007 7:59 PM

4-1
4
EBU17731
INSTRUMENT AND CONTROL FUNCTIONS
EBU17760Main switch The positions of the main switch are as follows:
ON
All electrical systems are supplied with power. The
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 re-
moved.
1. Main switch
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4-2
4
EBU17813Indicator lights and warning light EBU17842Reverse indicator light “”
This indicator light comes on when the transmis-
sion is in the reverse position.Furthermore, this indicator light flashes 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.EBU17860Neutral indicator light “”
This indicator light comes on when the transmis-
sion is in the neutral position.EBU17920Coolant temperature warning light “”
This warning light comes on when the engine over-
heats. 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.CAUTION:ECB00010
The engine may overheat if the ATV is over-
loaded. In this case, reduce the load to spec-
ification.
1. On-Command differential gear lock indicator light “DIFF.
LOCK”
2. Low-range indicator light “L”
3. High-range indicator light “H”
4. Neutral indicator light “N”
5. Reverse indicator light “R”
6. Park indicator light “P”
7. On-Command four-wheel-drive/differential gear lock
indicator “”/“”
8. Coolant temperature warning light “”U23D60E0.book Page 2 Thursday, March 15, 2007 7:59 PM

4-3
4

Start the engine after making sure that the
warning light is out. Continuous use while
the warning light is on may cause damage tothe engine.EBU17961On-Command four-wheel-drive/differential
gear lock indicator “”/“”
The On-Command four-wheel-drive indicator “”
comes on when the On-Command four-wheel-
drive switch is set to the “4WD” position.
The On-Command differential gear lock indicator
“” in the On-Command four-wheel-drive indica-
tor also comes on when the On-Command differ-
ential gear lock switch is set to the “LOCK”
position.NOTE:
Due to the synchronizing mechanism in the dif-
ferential gear case, the four-wheel-drive indica-
tor may not come on until the ATV starts moving.
When the On-Command differential gear lock
switch is set to “LOCK”, the indicator “” willflash until the differential gear is locked.
EBU17970Park indicator light “”
This indicator light comes on when the transmis-
sion is in the park position.EBU17980High-range indicator light “”
This indicator light comes on when the transmis-
sion is in the high-range position.EBU17990Low-range indicator light “”
This indicator light comes on when the transmis-
sion is in the low-range position.EBU18001On-Command differential gear lock indicator
light “DIFF. LOCK”
This indicator light and the On-Command differen-
tial gear lock indicator in the display come on when
the On-Command differential gear lock switch is
set to the “LOCK” position.NOTE:When the switch is set to “LOCK”, the On-Com-
mand differential gear lock indicator light will flashuntil the differential gear is locked.
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4-6
4
EBU18061Handlebar switches EBU18080Engine 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 “”.
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.EBU18151Light 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.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.
1. Light switch “//OFF”
2. Start switch “”
3. Engine stop switch “/”
4. Override switch “OVERRIDE”
5. Horn switch “”U23D60E0.book Page 6 Thursday, March 15, 2007 7:59 PM