2006 Ski Doo REV Service Shop Manual, Page 49Get this manual
Section 02 TROUBLESHOOTING Subsection 03 (DRIVE AND BRAKE SYSTEMS)
SYMPTOM
BELT WORN EXCESSIVELY IN TOP WIDTH
CONDITION
TESTINSPECTION
NORMAL USE 1Check drive pulleyaExcessive slippage due to jamming of drive pulleyInspect drive pulley2Check drive belt identification numberaImproper belt angle (wrong type of belt)Replace belt with an appropriate drive belt3Check drive belt widthaConsiderable useReplace belt if less than specified in DRIVE BELT
Considerable use
New belt
SYMPTOM
BELT SIDES WORN CONCAVE
CONDITION
TESTINSPECTION