Parts such as the F-26-1 Taillight: Washer,18m/m, Rubber,cushion, Collar,tail Light, Cord,tail Light are included in the Cb650 1979 (z) F-26-1 Taillight parts fiche.
In this schematic the "Screw,pan,4x55" is used most often.
The F-26-1 Taillight is made up of components including this Bracket,no.plate which is the most expensive.