1979 Ski-Doo Supplementary Shop Manual, Page 95Get this manual
SECTION 04 SUB-SECTION 02 (ENGINE)
503 ENGINE TYPE
ENGINE SUPPORT AND MUFFLER
7778792D2722232425262728293DRubber bushing Bushing Damper Nut Gasket Exhaust socket Lockwasher Allen bolt Muffler Spring Bolt Retainer washer Bushing Spring