2004 Ski-Doo REV Series Factory Service Manual, Page 230Get this manual

2004 Ski-Doo REV Series Factory Service Manual, Page 230

Section 06 TRANSMISSION Subsection 01 (DRIVE BELT)
DRIVE BELT
APPLICATION CHART
MODEL All 593HOSDI engine equipped models All 793 HO engine equipped models PART NUMBER 417 300 197 417 300 166 MINIMUM WIDTH (wear limit) mm (in) 34.2 (11132) 35.3 (138)

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 warm-up 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)
ROTATION DIRECTION
The maximum drive belt life span is obtained when the drive belt is installed as shownThis will ensure that correct direction of rotation is respected