1972 Ski-Doo Shop Manual, Page 92Get this manual
GEAR BOX 5Inspect drive shaft for deflection, worn or twisted splinesIf splines are damaged drive shaft must be replaced
14With soft faced hammer, hit on threaded end of drive shaft to remove it from bearing15Remove two (2) circlips, shim (0.1 mm thick ness), shift sprocket, needle cage bearing and the washer (30.2mm dia, from drive shaft (fig1-1342)
6Check free play between gear change fork
and gear shift sleeveIf free play is more than .008", change fork
7Check groove in gear shift sleeveIf worn,
1Circllps
replace sleeve8Check if fork is bent, if so, replace
2Shim (0.1 mml 3Sh 1ft sprocket 4Needle cage bearing 5Washer (30.2 mm)
6Drive shaft
9Inspect all threaded parts for stripped, cros