1972 Ski-Doo Shop Manual, Page 57Get this manual
1-09-08 2Position sliding pulley shaft on driven pulley shaft3Tighten four (4) bolts securing transmission to framePress in drive axle oil seal4Fully tighten Allen head screw (L.Hside thread) to secure driven pulley shaft to transmis sion drive shaft (fig1-9-24) DRIVEN PULLEY
8Install brake assembly to brake bracket and proceed with adjustment9Install muffler grommet and muffler
10Check pulley alignment11Install drive belt and pulley guard
INSTALLATION
(Alpine and Valmont models)
1Position drive shaft of assembled driven pul ley so that retainer washers align with slots of gear box casing (fig1-9-26)
5Position cam spring and cam on shaft