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FOX Shocks
If service work is needed on any FOX
shocks, the shock must be removed and
sent to FOX or any FOX distributor for
any service work. For FOX shock infor-
mation, log on to www.ridefox.com.
Each shock absorber should be visibly
checked weekly for fluid leakage, cracks
or breaks in the body, or a bent shaft. If
any one of these conditions is detected,
replacement is necessary. Take the snow-
mobile to an authorized Yamaha Snow-
mobile dealer for this service. If not under
warranty, this service is at the discretion
and expense of the snowmobile owner.
Adjusting Front Ski Shock Springs
The front ski shock springs are individually
adjustable for the terrain conditions and
driving style of the operator. The spring
adjuster nut has been set at the factory so the
correct amount of threads are exposed
between the adjuster nut and the threaded
shock body as an initial setting. Additional
ski pressure can be obtained by tightening
the spring tension; ski pressure can be
decreased by relaxing spring tension.
NOTE: Equal adjustments should
be maintained on both sides of the
snowmobile.
Front ski shock spring pre-load adjust-
ment is accomplished by loosening the
adjuster nut locking collar (B) from the
adjuster nut (A) and using the Spring
Adjuster Tool from the tool kit, rotating
the adjuster nut in whichever direction is
desired. Tighten the locking collar
against the adjuster nut.
Threaded Shock
Body
To adjust the damping, use the adjust-
ment lever located above the EVOL
chamber on the shock. There are three
settings that may be chosen 1, 2, or 3.
37
Adjusting Fox Air Shocks
NOTE: It is recommended to
monitor the air pressure in the air
shocks once every month.
NOTE: Adjusting air shocks may
be done by the snowmobile owner
if qualified to do so. If the owner
does not feel qualified, take the
snowmobile
Yamaha Snowmobile dealer for this
service. This service is at the dis-
cretion and expense of the snow-
mobile owner.
The air shocks are individually adjustable
for the terrain conditions and driving style
of the operator. The shocks are preset at the
factory (see chart) as an initial setting;
however, it is possible to "fine tune" the
shocks to match the operator's weight, rid-
ing style, and terrain conditions.
NOTE: Adding air pressure will
increase
reducing air pressure will decrease
air spring force.
NOTE: Shock Pressure should be
checked/added at room tempera-
ture of 18° to 20° C (65° to 70° F).
The following settings are recom-
mended but vary on rider prefer-
ence or style.
Model
Fox Float 3
Fox Float
QS3 models
0748-941
NOTE: Care should be taken to
have equal pressure in the front ski
shocks before operating the snow-
mobile.
to
an
authorized
the
air
spring
Initial Setting Chart
Front
Front
Shock
Arm
(Ski)
Shock
85 psi
N/A
85 psi
35 psi
0745-159
force;
Rear
Arm
Shock
165 psi
165 psi
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