2002 Ski-Doo Shop Manual Volume One, Page 75Get this manual
Section 03 TROUBLESHOOTING Subsection 04 (TRANSMISSION AND BRAKE SYSTEMS)
SYMPTOM CONDITION TestInspection
LOOSENESS IS FELT IN DRIVE SYSTEM WHEN ACCELERATINGDECELERATINGNORMAL USE1Check drive chain tensionaDrive chain is too looseAdjust2Check radial play of driven pulleyaWorn key, keyway or splinesReplace
SYMPTOM CONDITION TestInspection