1997 Ski-Doo Factory Shop Manual Volume One, Page 36Get this manual
Section 02 TROUBLESHOOTING Sub-Section 04 (TRANSMISSION AND BRAKE SYSTEMS)
SYMPTOM CONDITION TestInspection
BELT GLAZED EXCESSIVELY OR HAVING BAKED APPEARANCENORMAL USE1Check if drive pulley bushings are wornaInsufficient pressure on belt sidesReplace bushing2Check condition of drive pulley fixed half shaftaRusted drive or driven pulley shaftsClean shaft with fine steel woof and lubricate with low temperature grease (If applicable only)3Check if pulley halves are cleanaOil on pulley surfacesClean pulley halves4Check pulley calibrationaImproper pulley calibrationCalibrate according to specification