2001 Ski-Doo Factory Shop Manual Volume Two, Page 76Get this manual
Subsection 04
Section 03 TROUBLESHOOTING (TRANSMISSION AND BRAKE SYSTEMS)
SYMPTOM CONDITION TestInspection
BELT WORN NARROW IN ONE SECTIONNORMAL USE1Check if parking brake is releasedaParking brake is engagedRelease parking brake2Check track tensionalignmentaFrozen or too tight trackLiberate track from ice or check track tension and alignment3Check drive pulleyaDrive pulley not functioning properlyRepair or replace drive pulley4Check idle speedaEngine idle speed too highAdjust according to specifications5Check drive belt lengthaIncorrect belt lengthReplace belt with an appropriate drive belt (refer to TECHNICAL DATA)6Check distance between pulleysaIncorrect pulley distanceReadjust according to specifications7Check belt deflectionaDeflection is too smallAdjust according to specifications