1980 Ski-Doo Shop Manual, Page 65Get this manual

1980 Ski-Doo Shop Manual, Page 65

SECTION 03 SUB-SECTION 02, (ENGINES)
When positioning P.T.Oouter bearing on crankshafta gap of 0.5 mm (.020") must be left between bearing and labyrinth sleeve to avoid axial forces to the beaflng