2003 Ski-Doo REV Series Factory Shop Manual, Page 81Get this manual
Subsection 04
Section 03 TROUBLESHOOTING (TRANSMISSION AND BRAKE SYSTEMS)
SYMPTOM CONDITION TESTINSPECTION
BELT GLAZED EXCESSIVELY OR HAVING BAKED APPEARANCENORMAL USE1Check if drive pulley bushings are wornaSlipping due to insufficient pressure on belt sidesReplace bushing2Check condition of drive pulley fixed half shaftaSlipping due to rusted drive or driven pulley shaftsClean shaft with fine steel wool3Check if pulley halves are cleanaSlipping due to oily pulley surfacesClean pulley halves4Check pulley calibrationaSlipping due to improper pulley calibrationCalibrate according to specifications