1978 Ski-Doo Shop Manual, Page 197Get this manual
SECTION 04 SUB-SECTION 02, (ENGINES) s- -
BOTTOM END
)7Crankcase lower half 2Crankcase upper half 3Loctite 575 4Oil hose angular fitting 5Screw 6Washer 7Junction block bracket 8Plug 9Loctite Lock'n Seal 242 70Cylinder stud 77Angular oil line 72Stud 73Oil seal 74Lockwasher 75Nut 76Cap screw 77Lockwasher 78Bolt 79Woodruff key 20Crankshaft 27Needle cage bearing 22Distance ring 23Bearing 24"0" ring 25Oil seal 26Distance sleeve 24 mm 27Magneto retaining nut