1978 Ski-Doo Shop Manual, Page 117Get this manual
SECTION 04 SUB-SECTION 02 (ENGINES)
COOLING SYSTEM
tFan cowl ass'y 2Stud 3Lockwasher
5678Fan Magneto ring Stud Lockwasher 1213141516Air deflector Spring washer Flat head screw Cable clamp Screw