The sub assemblies and components that make up this Carburetor (gt250m) include this Valve Assy,needle, the most expensive part.
A sample from the products for the Carburetor (gt250m) include: Gasket,thro Valve Inspection (nas), Screw,pilot Air, Hose(4.5x8.5x600), Cap,cable Adjuster.
On this parts fiche the Screw 4x16 is the most specified component.