2003 Ski-Doo REV Series Factory Shop Manual, Page 165Get this manual
Section 05 TRANSMISSION Subsection 02 (DRIVE BELT)
DRIVE BELT
APPLICATION CHART
MODEL All 593 HO engine equipped models All 793 engine equipped models PART NUMBER 417 300 197 417 300 166 MINIMUM WIDTH (wear limit) mm (in) 33.35 (1.313) 34.70 (1.366)
INSPECTION
Inspect belt for cracks, fraying or abnormal wear (uneven wear, wear on one side, missing cogs, cracked fabric)If abnormal wear is noted, probable cause could be pulley misalignment, excessive RPM with frozen track, fast starts without warmup period, burred or rusty sheave, oil on belt or distorted spare beltCheck drive belt widthReplace the drive belt if width is under minimum recommended width (see table above)
Release parking brakeVehicle must not creep when engine is idlingOtherwise, make sure that: idle speed is as specified proper belt is installed pulley center-to-center is as specified belt deflection is as specified