8.3
Steering and Suspensions
8
Adjustable Shocks
Snowmobiles equipped with adjustable Ryde FX shocks allow
the driver to make adjustments to the compression valving by
turning the screw on the shock.
By turning the screw clockwise (a small screwdriver or dime
work well), the compression valving is increased, stiffening the
ride. To soften the ride, reduce the compression by turning the
screw counter-clockwise. A great deal of ride performance is
accomplished with a mere 1/2 to 1 turns. There are
approximately 3 full turns of adjustment available.
If the suspension is "bottoming", tighten the compression screw
clockwise in 1/2 turn increments until the bottoming stops.
Backing off 1/4 turn counter-clockwise at this point should give
you the best possible ride ensuring use of the full travel of the
suspension. The opposite procedure should be used if the
suspension is too stiff upon initial set-up.
If bottoming continues after the screw is turned in full
clockwise, the compression spring should be adjusted with the
threaded adjustment collar. Back the screw out to the original
starting position after the compression spring has been adjusted.
Riding conditions are ever changing. Keep in mind the
compression damping adjustable screw can be adjusted at any
time to achieve the best possible ride in any condition.
NOTE: Install shock so the adjustment screw is
facing outwards.
Front Suspension Type by Model
Rear Suspension Type by Model
Suspension Mounting Fastener Torque
NOTE: FTA = Front Torque Arm / RTA = Rear Torque
Arm
F
RONT SUSPENSION MODEL
IQ 42.5
ALL IQ, IQ Switchback, IQ LX,
and IQ Touring Models
IQ RMK ALL IQ RMK Models
TYPE MODEL
IQ 121 2007 - 2008 IQ 121 Models
IQ 144 / 155 / 163
2007 IQ Switchback Models
2007 - 2008 IQ RMK Models
M-10 128 2007 - 2008 IQ LX Models
M-10 136 2007 600 HO IQ Touring
IQ 136 Coupled All 2008 IQ Switchbacks
IQ 136 Comfort 2008 600 IQ Touring
Component
Torque
Specification
Front Suspension Upper / Lower Control
Arm-to-Bulkhead Mount Fasteners
40 Ft.Lbs. (54Nm)
IQ 121 FTA / RTA-to-Tunnel Fasteners 60 Ft.Lbs (81Nm)
IQ 144 / 155 / 163 FTA / RTA-to-Tunnel
Fasteners
45 Ft.Lbs. (61Nm)
M-10 128 / 136 FTA / RTA-to-Tunnel
Fasteners
70 Ft.Lbs. (95Nm)
IQ 136 Coupled FTA / RTA-to-Tunnel
Fasteners
60 Ft.Lbs (81Nm)
IQ 136 Comfort FTA / RTA-to-Tunnel
Fasteners
60 Ft.Lbs (81Nm)
CAUTION
Torque arm fasteners are pre-coated with thread locking
agent. Always replace with new fasteners.
Never re-use Nylock nuts. Always replace components
with new nuts.
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