2007 YAMAHA GRIZZLY 660 suspension

4-20
4
EBU18960Front carrier
Do not exceed the load limit of 45.0 kg (99 lb) for
the front carrier.
Do not exceed the maximum load of 220.0 kg
(485 lb) for the ATV.EBU18970Rear carrier
Do not exceed the load limit of 85.0 kg (187 lb)
for the rear carrier.
Do not exceed the maximum load of 220.0 kg
(485 lb) for the ATV.EBU19160Adjusting the front and rear shock ab-
sorber assemblies The spring preload can be adjusted to suit the rid-
er’s weight and the riding conditions.NOTE:The rear wheels need to be removed to adjust therear shock absorber assemblies. (See page 8-52.)
Adjust the spring preload as follows.Turn the adjusting ring in direction (a) to increase
the spring preload and thereby harden the suspen-
sion, and in direction (b) to decrease the spring
preload and thereby soften the suspension.
NOTE:A special wrench can be obtained at a Yamahadealer to make this adjustment.1. Spring preload adjusting ring
2. Position indicator
U2C661E0.book Page 20 Thursday, March 16, 2006 10:45 AM

10-4
10
Rear:
33 kPa (4.8 psi) (0.33 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 W/30.0 W × 2
Tail/brake light:
12 V, 5.0/21.0 W × 1
Neutral indicator light:
LED
Reverse indicator light:
LED
U2C661E0.book Page 4 Thursday, March 16, 2006 10:45 AM

Horn switch .................................................................... 4-6IIdentification numbers .................................................. 11-1
Indicator lights and warning light .................................... 4-2
Instruments, lights and switches .................................... 5-7KKey identification number ............................................. 11-1
Knuckle pivots, lubricating ........................................... 8-45LLabel locations ............................................................... 2-1
Light switch .................................................................... 4-6
Low-range indicator light ................................................ 4-3MMain switch .................................................................... 4-1
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 ..................................... 8-8
Park indicator light ......................................................... 4-3
Parking ........................................................................... 6-5
Parking on a slope ......................................................... 6-6
Part locations ................................................................. 3-1
Periodic maintenance and lubrication chart ................... 8-3
Pre-operation check list ................................................. 5-1
RRecoil 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 ............................................... 8-32
Spark plug, checking ................................................... 8-15
Specifications ............................................................... 10-1
Speed limiter ................................................................ 4-12
Stabilizer bushes, checking ......................................... 8-45
Starter (choke) ............................................................. 4-17
Start switch .................................................................... 4-6
Storage .......................................................................... 9-2
Storage compartment .................................................. 4-19
Suspension, lubricating the upper and lower
arm pivots .................................................................. 8-45TTail/brake light bulb, replacing ..................................... 8-51
Throttle cable free play, adjusting ................................ 8-35
Throttle lever ......................................................... 4-11, 5-5
Tire pressure, measuring ............................................... 5-6
Tires ............................................................................... 5-5
Tire wear limit ................................................................ 5-7
Troubleshooting ........................................................... 8-54
Troubleshooting charts ................................................ 8-55VValve clearance ........................................................... 8-36
V-belt case drain plug .................................................. 8-33
U2C661E0.book Page 2 Thursday, March 16, 2006 10:45 AM