1972 Ski-Doo Shop Manual, Page 87Get this manual
GEAR BOX
8Position the upper housing over studs of
lower housing and using soft faced hammer, carefully tap the upper housing into position9Install the eight (8) lockwashers and nutsCross torque to 21 ftlbsfollowing the sequence shown in figure 1-13-28
INSTALLATION
1Position gasket on frame studs
2Place lower sprocket in drive chain1-13-26
(h) .ScreW theixf
of "pper hOUsingappropriate nut
'nto threaded hole re assembly with