On this parts fiche the Packing,lens is the most specified component.
Parts such as the F-25: Unit Assy,winker, Nut,flange,10mm, Bulb,winker, Screw Specia 6x8 are included in the Cb600f Hornet 1998 (w) Japan Pc34-100 F-25 parts fiche.
The Screw,tapping,4x20 is the lowest priced item on this F-25 schematic.