1970-1979 Ski-Doo Snowmobiles Service Manual, Page 97Get this manual
Quality of the image is intentionally reduced!
CHAPTER FIVE
TYPICAL HR TYPE CARBURETOR
1 Welch plug 2 Inletseat gasket 3 Inlet needle and seat 4 Fulcrum pin 5 Retaining screw 6 Fulcrum lever 7 Fulcrum lever spring 8 Main nozzle