This Taillight Unit is the most expensive of the items that make up this F-23 Taillight assembly.
Parts such as the F-23 Taillight: Body, Taillight, Cover,coupler, Screw,tapping, Bolt,hex 6x28 are included in the Xr500r 1982 (c) F-23 Taillight parts fiche.
With two applications this Rubber,taillight is the most specified part.