2005 Ski-Doo Tundra, Skandic, Expedition Shop Manual, Page 357Get this manual
Section 07 TRANSMISSION Subsection 01 (DRIVE BELT)
Check the drive belt widthReplace the drive belt if width is less than the minimum width recommended (see table above)
DRIVE BELT HEIGHT MEASUREMENT AND ADJUSTMENT
NOTE: The drive belt height measurement and adjustment must be performed each time new drive belt is installed
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
Measurement
Before checking the belt height, ensure that good-condition proper belt (refer to the APPLICATION CHART) is installedAdjust pulley distance and alignmentRefer to PULLEY DISTANCE AND ALIGNMENTTo obtain maximum vehicle performance, the belt height must be adjusted according to specifications shown in the accompanying chartMODEL All models BELT HEIGHT mm (in) Top edge of drive belt cord should be flush with driven pulley edge