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THE PERFECT FIT
FAST M-10 Rear Suspension Adjustments
Static Sag and Ride Height Settings
FRA Position
The FRA setting is the primary rear suspension adjustment. It will have
the MOST effect on the rear suspension performance. To adjust the
FRA:
1. Refer to the initial set-up reference chart (see page 67) to determine
the desired FRA position.
2. To adjust, loosen the hex bolts attaching the rear lower shock cross
shaft to the rail beam.
3. Using a 9/16" wrench, loosen the jam nuts on the preload bolts.
4. Adjust the preload bolts to the desired FRA position.
5. Tighten the jam nuts.
NOTE: Make sure the preload bolt contacts the slide block before tightening
the jam nut.
6. Tighten the hex bolts and torque to 35 ft. lbs. (47 Nm).
NOTE: When the M-10 suspension is new, it will take from 25 to 200 miles
(40-300 km) to properly break in the springs and shocks, at which time
the suspension will be softer and may require FRA re-adjustment.
Preload Bolt
Hex Bolt
Jam Nut
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