2005 Ski-Doo Tundra, Skandic, Expedition Shop Manual, Page 426Get this manual
Section 07 TRANSMISSION Subsection 07 (GEARBOX)
A29D1CA
A29D1EA
Remove circlip no9 from LH side
INSPECTION
Check bearing conditionThere must be no discoloration, missing rollers or balls, broken cages, etcCheck sprocket teeth