1974 Ski-Doo Shop Manual, Page 30Get this manual
DRIVEN PULLEY, TYPE 1
1Fixed pulley 2Sliding pulley 3Release spring 4Outer cam 5Cam slider shoe 6Roll pin
REMOVAL
Remove pulley guard, drive belt and muffler Slacken steering column boltsRelease chain tensionRemove cotter pin and nut securing pulley drive shaft to chaincaseNote: On vehicle equipped with steel chaincase, attach chain to frame to prevent it falling inside of chaincase
To co rrect spring tension, either relocate spring end in sliding pulley half or gradually rotate outer cam