1986 Ski-Doo Factory Shop Manual, Page 284Get this manual
Section 03 TRANSMISSION Sub-section 04 (DRIVEN PULLEY)
REMOVAL
Driven pulley can be removed from the transmission shaft using the following procedure:
19, Outer cam
With sliding half and spring removed, push the roll pin out of the shaft and remove the outer cam
Pulley guarddrive belt
Remove from vehicle
NOTE: If necessary, heat hub of fixed pulley and outer cam to facilitate removal
INSPECTION
Brake caliper assembly
Remove from bearing support
16, Spring
Spring torsional pre-load
In order to measure driven pulley spring tension, the pulley halves must be separatedTo do this, insert length of mm (lS") diarod between the halvesCheck tension using fish scale positioned 90 with pulley axleSpring tension pre-load should be 5.5 kg (12 Ib)
2,9, Discsupport
Position suitable support under the drive shaft then punch the roll pm out of the shaft