2001 Ski-Doo Factory Shop Manual Volume One, Page 224Get this manual
Section 05 TRANSMISSION Subsection 08 (GEARBOX)
Drive out plug no37
A29D1EA A29D1CA
Remove circlip no9 from LH side
INSPECTION
Check bearing conditionThere must be no discoloration, missing rollers or balls, broken cages, etcCheck sprocket teeth