The Nut,flanged,6mm is the lowest priced item on this Tail Lamp schematic.
Parts such as the Tail Lamp: Body-comp-tail Lamp, Bolt-hex Head,6x12, Filter, Damper,tail Lamp are included in the Z1000r2 1983 Europe Uk It Nr Sd St Tail Lamp parts fiche.
The seventeen Z1000r2 1983 Europe Uk It Nr Sd St Tail Lamp component parts are all listed in this schematic.