1999 Ski-Doo Factory Shop Manual Volume Three, Page 197Get this manual
Section 05 TRANSMISSION Subsection 07 (CHAINCASE)
REMOVAL
To remove chaincase proceed as followsRemove tuned pipes and muffler
Using large screwdrivers inserted between chaincase no7 and frame, pry complete assembly from vehicle
WARNING
INSPECTION
Visually inspect the chain for cracked, damaged or missing linksCheck for worn or defective bearings, sprockets and chain tensioner components
Never remove exhaust components when engine is hotRemove hair pin no8Release drive chain tension by unscrewing tensioner adjustment screwDrain oil by removing chaincase cover no2
WARNING
3,4,5,6,13,16,17, Cotter Pin, Nut, Sprocket, Shim and Drive Chain