1980 Ski-Doo Shop Manual, Page 222Get this manual
SECTION 05 SUB-SECTION 01 (PULLEY GUARD)
I234Pulley guard Wing nut Washer Rubber spacer
REMOVAL
Lift and support the engine compartment hoodUnscrew the wing nuts (A) located behind the drive pulleythe wing nut (8) on top of pulley guard and the wing nut (C) at the pulley guard center support