1979 Ski-Doo Supplementary Shop Manual, Page 115Get this manual
c Refer to the 1978 Bombardier Shop Manual
SECTION 04 SUB-SECTION 05 (CARBURETOR)
CARBURETOR
NOTE: Supplementary information applicable to all Mikuni carburetors
All new Mikuni carburetors are equipped with new throttle slide The new design ha deeper "E" clip seat, to permit the installation of nylon bushing between the "E" clip and its seat