1997 Ski-Doo Factory Shop Manual Volume Two, Page 181Get this manual
Section 04 TRANSMISSION Sub-Section 08 (GEARBOX) -
CAUTION
Do not push against inner bearing race
A22D0KA
1Gear shoulder towards RH side
A22D0JA
18,19,26,27,28, Reverse Shaft, LH Side Bearing, Brake Shaft, Sleeve and Gear
Install brake shaft taking care that gear shoulders face RH side1
1Push against gear shoulder