Check out any of the forty Carburetor components enlisted.
With a quantity of sixteen pieces, the Screw 4x16 is the most used part in the CARBURETOR diagram.
Parts such as the Carburetor: Washer,lock, Screw 4x16, Screw, Hose(4.5x8.5x600) are included in the Gs550l 1979 (n) Usa (e03) Carburetor parts fiche.