1982 Ski-Doo Shop Manual, Page 328Get this manual
SECTION 05 SUSPENSION SUB-SECTION 04 (DRIVE AXLE)
The bearing on the splined side of axle must be pushed until it is seated on bearing stop The end bearing housing bearing must be flush with end of drive axleEach bearing must have its shield facing the sprocket
INSTALLATION
If the drive axle to be installed is new component and the vehicle is equipped with speedometer, speedometer drive insert must be installed into the axle endEnsure that insert is flush with end of axlePosition drive axle assembly into locationInstall shim(s) between bearing and lower chaincase sprocket Install end bearing housing Install chaincase and position seals, making sure that gap of approximately mm (116") exists between end of bearing housing and each seal