2009 Polaris Outlaw 450/525 Service Manual, Page 112Get this manual
BODYSTEERINGSUSPENSION 11Note location of Allen screw in internal floating piston (IFP) for reassembly in body tubeRemove IFP through bottom body cap end (external threaded end) using IFP toolBe prepared to catch piston ring and piston as it comes outRemove Allen screw from center of pistonInspect bleeder screw Oring and IFP sealing Oring for wear or damageReplace Orings upon reassembly2Compress flexible piston ring around valve piston and install piston into shock bodyScrew in bearing cap by hand until Oring is fully seated
12Carefully clean all parts thoroughly with electrical contact cleaner or solvent and dry with compressed airInspect shock body for scratches or wear