2008 YAMAHA GRIZZLY 660 brake light

8-7
8
EBU23070NOTE:
The air filter needs more frequent service if you are riding in unusually wet or dusty areas.20 Final gear oilChange.
Check ATV for oil leakage, and correct if neces-
sary.√√
21 Cooling systemCheck coolant level and ATV for coolant leakage,
and correct if necessary.√√√√√
Replace coolant. Every 2 years
22*Moving parts and
cablesLubricate.√√√√
23*Drive select lever
safety system cableCheck operation and adjust or replace if neces-
sary.√√√
24*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.√√√√√
25*Front and rear brake
switchesCheck operation and correct if necessary.√√√√√
26*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)1300
(800)2500
(1600)2500
(1600)5000
(3200)
hours 20 80 160 160 320U23D60E0.book Page 7 Thursday, March 15, 2007 7:59 PM

8-44
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.
EBU24751Brake light switches The operation of the brake light switches must be
checked and, if necessary, adjusted at the inter-
vals specified in the periodic maintenance and lu-
brication chart.
The brake light switch for the brake pedal can be
adjusted as follows, but the other brake light
switches should be adjusted by a Yamaha dealer.
1. Remove panel B. (See page 8-9.)
1. Front axle boot (each side)
1. Rear axle boot (each side)
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8-45
8
NOTE:The brake light switch is properly adjusted when
the brake light comes on just before braking takeseffect.
2. Turn the adjusting nut while holding the brake
light switch in place. To make the brake light
come on earlier, turn the adjusting nut in direc-
tion (a). To make the brake light come on lat-
er, turn the adjusting nut in direction (b).
3. Install the panel.
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.
WARNING
EWB02130Inspect cables frequently and replace if dam-
aged. Corrosion can result when the cable
sheaths become damaged, and cables can
also become frayed or kinked, which could re-
strict the operation of controls and lead to anaccident or injury.EBU24912Checking and lubricating the front and
rear brake levers The operation of the front and rear brake levers
should be checked before each ride, and the lever
pivots should be lubricated if necessary.
1. Brake light switch
2. Brake light switch adjusting nut
Recommended lubricant:
Engine oil
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8-53
8
CAUTION:ECB00670Make sure the headlight bulb holder cover is
securely fitted over the bulb holder and seatedproperly.
8. Adjust the headlight beam if necessary.EBU25550Adjusting a headlight beam CAUTION:ECB00690It is advisable to have a Yamaha dealer makethis adjustment.
To raise a headlight beam, turn the adjusting
screw in direction (a).
To lower a headlight beam, turn the adjusting
screw in direction (b).
EBU25640Replacing the tail/brake light bulb If the tail/brake light bulb burns out, replace it as
follows.
1. Remove panel G. (See page 8-9.)
2. Remove the bulb holder (together with the
bulb) by turning it counterclockwise.1. Headlight beam adjusting screw
U23D60E0.book Page 53 Thursday, March 15, 2007 7:59 PM

8-54
83. Remove the defective bulb by pushing it in
and turning it counterclockwise.
4. Insert a new bulb into the bulb holder, push it
in, and then turn it clockwise until it stops.
5. Install the bulb holder (together with the bulb)
by turning it clockwise.
6. Install the panel.
EBU25650Removing a wheel 1. Loosen the wheel nuts.2. Elevate the ATV and place a suitable stand
under the frame.
3. Remove the nuts from the wheel.
4. Remove the wheel.
EBU25700Installing a wheel 1. Install the wheel and the nuts.NOTE:
The arrow mark on the tire must point toward
the rotating direction of the wheel.
1. Tail/brake light bulb holder
1. Wheel nut
U23D60E0.book Page 54 Thursday, March 15, 2007 7:59 PM

10-4
10
Rear:
33.0 kPa (4.8 psi) (0.330 kgf/cm²)
Front wheel:Wheel type:
Panel wheel
Rim size:
12 x 6.0ATRear wheel:Wheel type:
Panel wheel
Rim size:
12 x 7.5ATFront brake:Type:
Dual disc brake
Operation:
Right hand operation
Recommended fluid:
DOT 4Rear brake:Type:
Single disc brake
Operation:
Left hand and right foot operation
Recommended fluid:
DOT 4Front suspension:Type:
Double wishbone
Spring/shock absorber type:
Coil spring/oil damperWheel travel:
170 mm (6.7 in)
Rear suspension:Type:
Double wishbone
Spring/shock absorber type:
Coil spring/oil damper
Wheel travel:
225 mm (8.9 in)Electrical system:Ignition system:
DC. CDI
Charging system:
AC magnetoBattery:Model:
YTX20L-BS
Voltage, capacity:
12 V, 18.0 AhHeadlight:Bulb type:
Krypton bulbBulb voltage, wattage x quantity:Headlight:
12 V, 30.0/30.0 W × 2
Tail/brake light:
12 V, 5.0/21.0 W × 1
Neutral indicator light:
LED
Reverse indicator light:
LED
U23D60E0.book Page 4 Thursday, March 15, 2007 7:59 PM

INDEX
AAccessories and loading ................................................ 6-6
Accessories, auxiliary jack ........................................... 4-21
Air filter element, cleaning ............................................ 8-30
Axle boots .................................................................... 8-44BBattery .......................................................................... 8-48
Brake fluid, changing .................................................... 8-41
Brake fluid level, checking ............................................ 8-39
Brake lever free play and brake pedal position (rear),
adjusting and checking .............................................. 8-42
Brake lever free play, checking the front ...................... 8-41
Brake lever, front .......................................................... 4-12
Brake levers, checking and lubricating ......................... 8-45
Brake light switches ..................................................... 8-44
Brake pads, checking the front and rear ...................... 8-38
Brake pedal and rear brake lever ................................. 4-13
Brake pedal, checking and lubricating ......................... 8-46
Brakes, front and rear .................................................... 5-4CCables, checking and lubricating ................................. 8-45
Carburetor, adjusting .................................................... 8-36
Carrier, front ................................................................. 4-20
Carrier, rear .................................................................. 4-20
Chassis fasteners ........................................................... 5-7
Cleaning ......................................................................... 9-1
Coolant .................................................................. 5-3, 8-26
Coolant temperature warning light ................................. 4-2
DDifferential gear lock indicator light ................................ 4-3
Differential gear oil ................................................ 5-3, 8-24
Drive select lever .......................................................... 4-14
Drive select lever and driving in reverse ........................ 6-3
Drive select lever safety system cable, adjusting ......... 8-38EEngine break-in .............................................................. 6-5
Engine, cold start ........................................................... 6-1
Engine idling speed ...................................................... 8-36
Engine oil ....................................................................... 5-3
Engine oil and oil filter cartridge ................................... 8-18
Engine, starting a warm ................................................. 6-3
Engine stop switch ......................................................... 4-6FFinal gear oil .......................................................... 5-3, 8-22
Four-wheel-drive/differential gear lock indicator ............ 4-3
Fuel ....................................................................... 4-15, 5-3
Fuel cock ...................................................................... 4-16
Fuel tank cap ................................................................ 4-14
Fuses, replacing ........................................................... 8-50HHandlebar switches ........................................................ 4-6
Headlight beam, adjusting ............................................ 8-53
Headlight bulb, replacing .............................................. 8-51
High-range indicator light ............................................... 4-3
Horn switch .................................................................... 4-6
U23D60E0.book Page 1 Thursday, March 15, 2007 7:59 PM

IIdentification numbers .................................................. 11-1
Indicator lights and warning light .................................... 4-2
Instruments, lights and switches .................................... 5-7KKey identification number ............................................. 11-1LLabel locations ............................................................... 2-1
Light switch .................................................................... 4-6
Low-range indicator light ................................................ 4-3MMain switch .................................................................... 4-1
Maintenance and lubrication chart ................................. 8-5
Maintenance chart, emission control system ................. 8-3
Model label ................................................................... 11-2
Multifunction display ....................................................... 4-4NNeutral indicator light ..................................................... 4-2OOn-Command differential gear lock switch .................... 4-9
On-Command four-wheel-drive switch ........................... 4-8
Override switch .............................................................. 4-7
Owner’s manual and tool kit ........................................... 8-1PPanels, removing and installing ..................................... 8-9
Park indicator light ......................................................... 4-3
Parking ........................................................................... 6-6
Parking on a slope ......................................................... 6-6
Part locations ................................................................. 3-1
Pre-operation check list ................................................. 5-1
RRear knuckle pivots, lubricating ................................... 8-47
Recoil starter ................................................................ 4-14
Reverse indicator light ................................................... 4-2
Riding your ATV ............................................................. 7-1SSafety information .......................................................... 1-1
Seat ............................................................................. 4-18
Shock absorber assemblies,
adjusting the front and rear ........................................ 4-20
Spark arrester, cleaning ............................................... 8-34
Spark plug, checking ................................................... 8-16
Specifications ............................................................... 10-1
Speed limiter ................................................................ 4-12
Stabilizer bushes, checking ......................................... 8-47
Starter (choke) ............................................................. 4-17
Start switch .................................................................... 4-6
Steering shaft, lubricating ............................................ 8-48
Storage .......................................................................... 9-2
Storage compartment .................................................. 4-19TTail/brake light bulb, replacing ..................................... 8-53
Throttle cable free play, adjusting ................................ 8-37
Throttle lever ......................................................... 4-11, 5-5
Tire pressure, measuring ............................................... 5-6
Tires ............................................................................... 5-5
Tire wear limit ................................................................ 5-7
Troubleshooting ........................................................... 8-56
Troubleshooting charts ................................................ 8-57VValve clearance ........................................................... 8-38
V-belt case drain plug .................................................. 8-35
U23D60E0.book Page 2 Thursday, March 15, 2007 7:59 PM