1983 Ski-Doo Shop Manual, Page 90Get this manual
SECTION 02 ENGINE SUB-SECTION 05 (503 ENGINE TYPE)
to joining of crankcase halves, apply "Loctite 515" (4137027) on mating surfacesPosition the crankcase halves together and tighten nuts (or bolts) by hand then install armature plate (tighten) on magneto side to correctly align the crankcase halvesTorque nuts (or bolts) to 22 N- (16 ft-Ibs) following illustrated sequence