1978 Ski-Doo Shop Manual, Page 142Get this manual
SECTION 04 SUB-SECTION 02 (ENGINES)
l Fan housing
2Circlip
3Shimts) 4Bearing 5Fan shaft 6Woodruff key 7Pulley half 8Shim 9Joint 10Fan 11Washer 12Nut 13Belt
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Fan cowl (intake) Fan cowl (exhaust) Spring washer Screw Screw Nut Fan cover Junction block bracket Lockwasher Screw Washer Clip
COOLING SYSTEM