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THE PERFECT FIT
IQ Rear Suspension Adjustments
Initial Spring Preload Setting (Sag Method)
To set up t he IQ rear suspension
torsion spring preload, measure the
distance between the ground and rear
bumper. This is measurement X.
Take the first measurement with no
rider and with the rear suspension at
full extension.
NOTE: The rear bumper may need
to be lifted upward slightly
to fully extend the rear
suspension.
Next, have the rider drop down hard
on the seat and bounce up and down
several times, collapsing the rear
suspension. With the rider seated,
measure the distance between the
ground and the rear bumper at the
exact location used for measurement
X. This is measurement Y.
To determine sag, commonly referred to as ride-in, subtract
measurement Y from X (Sag=X-Y). Adjust sag by rotating the torsion
spring preload cams located on the rear torque arm. Use the illustration
for reference. The ideal amount of Sag for the IQ rear suspension is
two inches (X-Y=2).
If the rear suspension rides in less than one inch or more than three
inches with the torsion spring preload cams at their maximum range of
adjustment, optional torsion springs (softer or stiffer, respectively) may
be required. This is only an initial setup, and final spring preload may
vary based on rider preference and riding conditions.