2004 Ski-Doo Racing Handbook, Page 203Get this manual
SECTION 05DRIVE SYSTEM
INSTALLATION AND ASSEMBLY
Reverse removal and disassembly procedure and pay attention to the followingReplace oil seals, gaskets O-rings and drain plug2 1
25, Hardened Washer
Make sure to install hardened washer on each end of spring
A02D08A
1New 2Fold cotter pin over castellated nut flats only
18, Circlip
CAUTION: It is of the utmost importance to install the circlip otherwise damage to the chaincase components may occur
DRIVE CHAIN ADJUSTMENT
NOTE: Brake disc key must be in good condition before checking if chain is loose
10, O-Ring
A32D19A