The most reasonably priced component used on the Dr250 1992 (n) Usa (e03) Fuel Cock is the Clip.
The five Dr250 1992 (n) Usa (e03) Fuel Cock component parts are all listed in this schematic.
Parts such as the Fuel Cock: Clip, Spring, Cock Assy,fuel, Screw are included in the Dr250 1992 (n) Usa (e03) Fuel Cock parts fiche.