2005 Ski-Doo Racing Handbook, Page 52Get this manual
SECTION 03CHASSIS PREPARATION
NOTE: If revalving is to be done, it is imperative that you identify the original shim pack (size and number of shims)The seal carrier need not be removed if only revalving is to be doneShims can be measured by using vernier caliper or micrometerNOTE: All shims should be carefully inspected and any bent or broken shims must be replaced for the shock to function properlyThe damper rod is constructed of plated shaft designThis damper shaft must be inspected for any visible wear on the surface of the damper rodAnother check that must be completed if damper seal leakage has been noticed, is damper rod runoutThis damper rod run out must not exceed 0.025 mm (.001 in)