1970-1979 Ski-Doo Snowmobiles Service Manual, Page 107Get this manual
CHAPTER FIVE
MIKUNI CARBURETOR
Mixing chamber cap Throttle valve spring Plate Ering Jetneedle Throttle valve Choke plunger cap Choke plunger spring Washer Choke plunger Needle jet Air screw 13Airscrew spring 14Vent tube 15Th rottle stop screw 16Stop screw spring 12345678910111217Gasket