2005 Ski-Doo Racing Handbook, Page 58Get this manual
SECTION 03CHASSIS PREPARATION
Now check the axial play (side-to-side clearance) of the drive axleThe axle must not move more than 1.5 mm (.060 in) from side to sideIdeally, the axle has 0.25 0.50 mm (.010 .020 in)1
A01D07C
TYPICAL 1Shim location 2Shim location
A01D04A
Reinstall the rear suspension and using square check to see that the runners are square (90) with the drive axleIf not, cut and shim the ends of the suspension cross tubes to perfectly align the runners and also remove any side-to-side movementIf the suspension must be shimmed, correlate the adjustment with the next step
TOP VIEW 1Countershaft 2Shim position on end bearing housing side 3Shim position on chaincase side 4Drive axle 5Axial play 6Shim between sprocket and spacer