1978 Ski-Doo Shop Manual, Page 215Get this manual
SECTION 04 SUB-SECTION 02, (ENGINES)
MAGNETO
CLEANING
Clean all metal components in non-ferrous metal cleanerCAUTION: Clean armature and magneto using only clean cloth
At assembly, clean crankshaft extention (taper) then apply Loctite Lock'n Seal 242 or equivalent