This CARBURETOR assembly utilises two Nut, Wire Adjusting(s) - the highest specified component.
Parts such as the Carburetor: Needle, Jet, Main (no.140), Washer, Spring, Air Adjust Screw Set are included in the Fs1e 1975 Canarian Islands Type 394 Carburetor parts fiche.
The Yamaha CARBURETOR has thirty-five products enlisted in the schematic.