1986 Ski-Doo Factory Shop Manual, Page 280Get this manual
Section 03 TRANSMISSION Sub-section 04 (DRIVEN PULLEY)
DRIVEN PULLEY
1 COlier pin
2Castellated
3 Spnng washer Sprockel 5Dflving cham
8, Fixed half Sliding half 10, Release spring 11 Ouler G'am 12Cam slider shoe (3)