2006 Ski Doo REV Service Shop Manual, Page 430Get this manual
Section 09 REAR SUSPENSION Subsection 04 (SHOCK ABSORBER INSPECTION AND SERVICING)
If floating piston has been removed, reinstall floating piston into damper body (ensure that valve core has been removed)Use Molykote G-n paste (PN 711 297 433) to ease O-ring past damper body threads with floating piston guideCAUTION: Failure to install IFP correctly could result in shock damageSHOCK PN 503 190 306 503 190 987 503 190 445 503 190 655 503 190 747 503 190 973 503 191 043 503 190 975 503 190 980
INSTALLATION DISTANCE OF FLOATING PISTON MM 54.5 54.5 119.5 119.5 119.5 119.5 119.5 121.5 168 171.5 171.5 171.5 178.5 188
A06F14C
503 190 808 503 190 978 503 190 994 503 190 382 503 190 449
1Push (slowly) by hand 2Floating piston guide
NOTE: Lubricate inside of piston guide with Molykote G-n paste (PN 711 297 433)Install floating piston to the proper depth refer to following the tableOn all HPG take apart shocks, the floating piston is installed hollow side up