2009 Polaris Outlaw 450/525 Service Manual, Page 124Get this manual
BODYSTEERINGSUSPENSION FOXTM PODIUM-C SHOCK SERVICE
General Service Information
Note direction of valve piston before disassemblyThe side with the greater number of slots should face the IFP (nut end of the shaft)Piston Orientation Toward Shaft (Fewer slots) Side with greaterof slots must face nut end (Toward nut &IFP) Slots COMPRESSION (525 "IRS")
Orifice Piston Orifice must be drilled to required size on replacement valve pistons FOXTM PODIUM-C Rear Shock Standard Valving Piston Orifice.120" Changing oil on FOXTM Shocks is recommended annually and should be included when performing end of season storage preparationFor competition use, shocks should be disassembled, inspected and serviced more frequently