2005 Ski-Doo Tundra, Skandic, Expedition Shop Manual, Page 58Get this manual
Section 02 TROUBLESHOOTING GUIDE Subsection 04 (TRANSMISSION AND BRAKE SYSTEMS)
Symptom: IN REVERSE ENGINE FAILS AND DRIVEN PULLEY OPENS TOO FAST (DRIVE
BELT IS LOW IN DRIVEN PULLEY)
1Check pulley distance and alignment- Improper adjustmentAdjust according to specifications (refer to PULLEY DISTANCE AND ALIGNMENT) and make sure that torque rod is resting against engineCheck engine mounts2Check for reverse sliding shoes- Sliding shoes are worn or missingReplace sliding shoes3Check spring- Spring is weak or insufficient tensionReplace spring