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THE PERFECT FIT
Front Suspension Adjustments
IFS Shock Spring Preload
Increasing spring preload will increase ski-to-ground pressure. Decreas-
ing spring preload will decrease ski-to-ground pressure. When adjust-
ing, be sure the springs on both the left and right sides of the machine
are at the same adjustment.
To change shock spring preload, grasp the
spring retainer and rotate it.
Increasing the spring preload too much may
adversely affect the handling of the snow-
mobile and the performance of the suspen-
sion. Never exceed one inch (2.54 cm) of
preload beyond the factory settings.
NOTICE: When decreasing preload, make sure
at least two turns of preload are holding
the spring between the retainer on the
top of the shock and the threaded
spring preload adjuster nut on the
shock body. Failure to do so could
cause the retainer to fall off when the
suspension is fully extended.
TIP:Other spring options are available. Please
see your POLARIS dealer.
Shock Valving
Some shocks can be revalved if spring preload alone isn't sufficient and
further adjustment is desired to control suspension stiffness. Please see
your POLARIS dealer.
WARNING! Changing shock valving requires special tools and a sound
knowledge of mechanical theory, tool use, and shop procedures to perform the
work safely and correctly. Shocks contain high-pressure nitrogen gas. Use
extreme caution when handling high-pressure service equipment. We
recommend that this work be performed by a POLARIS dealer.
Initial IFS Preload Setting
(from body end to spring)
FOX shocks 4.25" (10.8 cm)
Ryde FX shocks 5.25" (13.3 cm)
Measure
Low
Preload
High
Preload