1980 Ski-Doo Shop Manual, Page 250Get this manual
SECTION 05 SUB-SECTION 04 (DRIVEN PULLEY)
REMOVAL
Loosen upper footrest bolt and remove lower one
DRIVEN PULLEY BUSHING REPLACEMENT
To replace the outer and inner bushings of the floating type driven pulleyproceed as follows: Remove and disassemble driven pulley assembly-
Pullout the side of the bottom plateRemove pulley assembly
Always apply anti-seize
compound betoee tina assembly