1980 Ski-Doo Shop Manual, Page 301Get this manual
SECTION 06 SUB-SECTION 03, (REAR AXLE)
Secure idler wheel and flanges uSing bolts and nuts tightened in the following sequence to 3.5 Nom (3 ft-Ibs)Tightening torques for sprockets are 3.5 Nom (3 ft-Ibs)
INSTALLATION
With rear of vehicle off the groundposition the rear axle within the trackInstall sleeveshardener washers and eye boltsPartially screw-in the track adjuster boltsHook the link plate springsIf applicablehook springs
into middle position of position anchors