Parts such as the Tail Lamp: Bulb(12v5w,bf150-40160a), Lens, Washer, Lamp Assy,tail are included in the Dr250 1992 (n) Usa (e03) Tail Lamp parts fiche.
The Screw is the lowest priced item on this Tail Lamp schematic.
This TAIL LAMP assembly utilises two Screw(s) - the highest specified component.