2005 Ski-Doo Racing Handbook, Page 309Get this manual
SECTION 06DRIVE SYSTEM
INSTALLATION
1Install proper number of spacer washers on jackshaft between clutch and jackshaft bearing2Inspect Jackshaft Bearing 3Excessive vibration or abnormal drive belt wear can be caused by worn bearing or jackshaft on the driven clutch sideTo inspect bearing fit, watch the bearing area closely as you try to force the jackshaft up and downIf movement is detected, disassemble to determine which parts are wornReplace the jackshaft if the new bearing is loose on the shaftThe bearing should be greased at 1000 mile (1600km) intervals and before storageNOTE: Spacer washers between driven clutch and jackshaft bearing set the offset1Lightly grease jackshaft keyway or splineWith square key in place slide clutch onto jackshaft2Install spacer, bolt and washer to hold driven clutch in place3See belt installation instructions