Parts such as the Air Cleaner: Screw,pan,5x20, Tank,storage, Clip B12,tube, Screw-washer,5x12 are included in the Cb650 1980 (a) Usa Air Cleaner parts fiche.
The thirty-seven Cb650 1980 (a) Usa Air Cleaner component parts are all listed in this schematic.
On this parts fiche the Clip B12,tube is the most specified component.