1997 Ski-Doo Factory Shop Manual Volume Three, Page 37Get this manual
Section 02 TROUBLESHOOTING Sub-Section 04 (TRANSMISSION AND BRAKE SYSTEMS)
SYMPTOM CONDITION TestInspection
BELT WORN NARROW IN ONE SECTION NORMAL USE 1Check if parking brake is releaseda.Parking brake is engagedRelease parking brake2Check track tensionalignmenta.Frozen or too tight trackLiberate track from ice or check track tension and alignment3Check drive pulleya.Drive pulley not functioning properlyRepair or replace drive pulley4Check idle speeda.Engine idle speed too highAdjust according to specification5Check drive belt lengtha.Incorrect belt lengthReplace belt with an appropriate drive belt (refer to TECHNICAL DATA 09)6Check distance between pulleysa.Incorrect pulley distanceReadjust according to specification7Check belt deflectiona.Deflection is too smallAdjust according to specificationBELT SIDES WORN CONCAVE NORMAL USE 1Check pulley half surfacesa.Rough or scratched pulley half surfacesRepair or replace2Check drive belt identification numbera.Unspecified type of beltReplace belt with an appropriate drive belt (refer to TECHNICAL DATA 09)