2009-2010 Polaris RZR Factory Service Manual, Page 48Get this manual
MAINTENANCE SUSPENSION (RZR S)
Spring Preload Adjustment
The front and rear shocks have preload adjustmentSuspension spring preload may be adjusted to suit different riding conditions or vehicle payloads3Once you have obtained the correct preload, holding the lower adjustment ring while tightening the upper adjustment ring to lock them in place
Shock Compression Adjustment
The compression damping adjustment is located on top of the shock Piggyback' reservoir of each shockUse flat blade screwdriver to make damping adjustmentsNOTE: When the adjuster screw is turned clockwise until it stops, the damping is in the fully closed position
WARNING