The Carburetor (model K1) assembly is constructed from several parts from which the Carburetor Assy is the most expensive.
On this parts fiche the Screw(5x14) is the most specified component.
Parts such as the Carburetor (model K1): O Ring, Carburetor Assy, Screw, Holder are included in the Rm125 2005 (k5) Usa (e03) Carburetor (model K1) parts fiche.