2010-2012 PRO-RIDE RUSH Switchback RMK Service Manual, Page 274Get this manual
Steering and Suspensions Adjusting the IFS shock spring preload raises or lowers the front vehicle ride height and either increases or decreases ski pressure when not acceleratingIncreasing spring preload will also shift the vehicle balance towards the rearDecreasing the spring preload will lower the front vehicle ride height and shift the vehicle balance towards the frontThe compression dampeners control ride comfortqualityTurning the adjusters towards the SOFT setting (counterclockwise) will make the ride quality less harsh, but may cause the shocks to bottom outTurning the adjuster towards the STIFF setting (clockwise) will make the ride quality stifferMake equal adjustments to both shocks and only one to two clicks at timeHeavier riders may want to set the compression clickers two to four clicks higher than lighter riders