1980 Ski-Doo Shop Manual, Page 51Get this manual
SECTION 03 SUB-SECTION 02 (ENGINES)
BOTTOM END
72345Crankcase half (Mag Crankcase half (PT0) Polyamld ring, magneto side PolyamJd ring, p, T0side Dowel tube 7.B 75 mm (2) Lockwasher mm (5) Hexagonal bolt M8 74 (2) Hexagonal bolt MB 55 (3) Gasket Stud M8 775 (4) Crankshaft Distance ring, PT0side Ball beanng 630.6, PT0side Seal, PT0side Distance ring, magneto side Shim G7, 0.2, 0.3 or 05 mm 8all bearing 6305, magneto side Seal, magneto side "Loctite 242" (blue, medIUm strength) Woodruff key