2006-2008 Polaris Snowmobiles FS/FST Service Manual., Page 254Get this manual
Rear Suspension floating piston, wear band, and o-ring
Ryde FX Air 2.0 Shock Assembly
1Place the 36mm piston rod upper mount in soft-jawed bench viseLubricate the internal IFP and o-ring with shock oilInstall the internal IFP, flat-sideo-ring side first, into the piston rodInstall the rod head assemblyTorque to specification
9Place the 36mm piston (shock) rod upper mount in softjawed bench viseRemove the piston valve and valve shim assembly from the rod in the sequence of disassembly5
Install the compression and rebound valve shim stacks back on to the piston valve assembly in the order they were removedApply small amount of Loctite 290 to the bolt threadsThread piston assembly into piston rod by hand