eight components are listed in the schematic for this Dr500s 1986 (g) Fuel Cock .
On this parts fiche the Bolt(6x20) is the most specified component.
Parts such as the Fuel Cock: Spring, Clip, Gasket,fuel Cock (nas), Spacer,fuel Cock are included in the Dr500s 1986 (g) Fuel Cock parts fiche.