1980 Ski-Doo Shop Manual, Page 256Get this manual
SECTION 05 SUB-SECTION 04 (DRIVEN PULLEY)
INSTALLATION
Position drive shaft of assembled driven pulley so that
retainer washers align with slots of gearbox casing
Sliding gear slot
Retainer washer
Apply thin coat of "Loctite crankcase sealant", or
equivalent, on contact surface of gearbox casing
Install gearbox cover and secure with eight nutsTorque nuts to 27 N'm (20 ft-Ibs) in the following sequence: