47
THE PERFECT FIT
IQ Rear Suspension Adjustments
Initial Spring Preload Setting (Sag Method)
To set up the IQ rear suspension tor-
sion 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 sus-
pension.
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 measure-
ment X. This is measurement Y.
To determine sag, commonly referred to as ride-in, subtract measure-
ment Y from X (sag=X-Y). Adjust sag by rotating the torsion spring
preload cams located on the rear torque arm. See page 48.
NOTE: The ideal amount of sag recommended for the IQ rear suspen-
sion is 4-5 inches (10-13 cm).
X
Y
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