1997 Ski-Doo Factory Shop Manual Volume Two, Page 274Get this manual
Section 06 REAR SUSPENSION Sub-Section 04 (DRIVE AXLE) -
CAUTION
Install shim(s) following the pattern shown in the chartSHIM(S) REQUIRED SHIM POSITION AND QUANTITY END BEARING HOUSING SIDE CHAINCASE SIDE
Check track front alignment by measuring the gap, on each side between guide cleat and the slider shoe, behind the suspension front axle as shown1
When installing shims between the chaincase and the drive axle bearing, there must be same quantity of shims between the drive chain sprocket and spacer1
A01D0AA
1Distance between guide cleat and slider shoe 2Suspension front axle
If the difference between each side exceeds mm (18 in), redistribute drive axle shims as follows:
DIFFERENCE BETWEEN EACH SIDE DRIVE AXLE SHIM REDISTRIBUTION