1985 Ski-Doo snowmobile Service Manual, Page 265Get this manual
Section 03
TRANSMISSION
(DRIVEN PULLEY)
Sub-section 04
DISASSEMBLY
11, 13, Roll pinouter cam
Use pin punch to remove roll pin from the outer cam
12, Cam slider shoe
Inspect outer cam for worn slider shoes
ASSEMBLY
Assemble driven pulley by reversing disassembly procedure
REMOVAL
Pulley guarddrive belt
1 2, Cam Slider Shoe
When replacing slider shoes, always install set of new shoes to maintain balanced pressures on the cam
Steering column bolts
Slacken
INSTALLATION
Reinstall the driven pulley on vehicle by reversing the removal procedure
5, Drive chain
Release tension
1,2, Cotter pincastellated nut
Remove from pulley shaft
4,5, Sprocketchain