1982 Ski-Doo Shop Manual, Page 34Get this manual
SECTION 02 ENGINE SUB-SECTION 02 (277 ENGINE TYPE)
BOTTOM END
1234567B91011121314151617lB1920Crankcase half (Mag Crankcase half (P10,) Polyamid ring, magneto side Polyamid ring, P1Oside Dowel tube 11.B 15 mm (2) Lockwasher mm (5) Hexagonal bolt MB 74 (2) Hexagonal bolt MB 55 (3) Gasket Stud MB 175 (4) Crankshaft Distance ring P1Oside Ball bearing 6306, P1Oside Seal, P1Oside Distance ring, magneto side Shim 01, 0.2, 0.3 or 0.5 mm Ball bearing 6305, magneto side Seal, magneto side "Loctite 242" (blue, medium strength) Woodruff key