1980 Ski-Doo Shop Manual, Page 255Get this manual
SECTION 05 SUB-SECTION 04 (DRIVEN PULLEY)
1Fixed half 2Sliding half 3Release spnng 4Outer cam 5Cam slider shoe 6Roll Pin 7Drive shaft (transmission) 8Spacer g.8earing 10Support 11Disc 12Spring 13Roll Pin 14Sh!(n
REMOVAL
Remove pulley guard and drive beltRemove disc brake assemblyPosition wooden block under the drive shaft then usi ng hammer and pin punch, remove roll in locking disc in position, Tap on inner side of brake and bracket assembly )to disengage it from bearing, Remove exhaust manifold from engine, Remove lower bracket of steering column attached to the gearbox, Slacken upper bracket of steering column,
Disconnect transmission rod from gearbox