2011 Polaris Ranger RZR ATV Service Manual, Page 47Get this manual
MAINTENANCE SUSPENSION (WALKER EVANSTM)
Spring Preload Adjustment
The front and rear shocks have preload adjustmentSuspension spring preload may be adjusted to suit different riding conditions or vehicle payloads
Shock Spanner Wrench (PN 2870803) Shock Compression Adjustment
The compression damping adjustment is located on top of the shock reservoir of each shockDamping adjustments can be made without using any toolsNOTE: When the adjuster knob is turned counterclockwise until it stops, the damping is in the fully open position (Soft)Turn the clicker clockwise to increase compression dampingTurn the clicker counter-clockwise to decrease compression dampingNOTE: The factory setting is clicks clockwise from the softest position (see "Compression Adjustment Table")
Uneven adjustment may cause poor handling of the vehicle, which could result in an accident and serious injury or deathAlways adjust both the left and right spring preloads equally12Raise and safely support the front or rear of the vehicle off the ground to allow the suspension to fully extendTurn the preload adjustment collar (1) clockwise to increase preload or counter-clockwise to decrease preload