On this parts fiche the Plug,handle Holder is the most specified component.
Of all the components used in this assembly the Housing-assy-control, is the most expensive.
Parts such as the Handlebar: Holder-handle,rh, Housing-assy-control,, Lever-assy-grip,clutc, Screw-csk-cros are included in the Ex500a4 1990 Usa California Canada Handlebar parts fiche.