2003 Polaris Deep Snow Snowmobiles Service Manual, Page 255Get this manual
SUSPENSIONS How to Adjust Rear Suspension
If the suspension is "bottoming," tighten the compression screw clockwise in 12 turn increments until the bottoming stops or on Ryde FX equipped suspensions, turn the adjusting lever towards the FIRM or SOFT settingsBacking off 14 turn counter-clockwise at this point should give you the best possible ride ensuring use of the full travel of the suspensionThe opposite procedure should be used if the suspension is too stiff upon initial set-upIf bottoming continues after the screw is turned in full clockwise, the torsion spring should be adjusted using the adjustment blockBack the screw out to the original starting position after torsion spring preload has been increasedRiding conditions are ever changingKeep in mind the Indy SelectRyde FX shocks can be adjusted at any time to achieve the best possible ride in any conditionNOTE:Whenever shocks are replaced or reinstalled for any reason, the adjustment screw should be located toward the forward right side of the suspensionAccess to the adjuster is not possible if reversed