1999 Ski-Doo Factory Shop Manual Volume Three, Page 248Get this manual
Section 07 REAR SUSPENSION Subsection 03 (DRIVE AXLE)
REMOVAL
Drain oil from chaincaseRelease drive chain tensionRemove chaincase coverRaise and block rear of vehicle off the groundRemove suspensionRefer to SC-10 SUSPENSION 07-02
9,13, Sprocket and Half-Sprocket
To remove press fit sprockets, use press and suitable support as illustrated
2,8, End Bearing Housing and Seal
Remove outer flange cover of bearing housingRemove chain and sprocket then circlip and bearing from drive axlePry oil seal from chaincase
6,9,13, Drive Axle and Sprocket
Release drive axle sprocket from track and at the same time, pull the drive axle toward the end bearing housing sideRemove drive axle from vehicle