With a quantity of eight pieces, the Rubber,danper is the most used part in the PRIMARY SHAFT diagram.
The component with the lowest price in the PRIMARY SHAFT schematic is the Washer,plain, 6mm.
Parts such as the Primary Shaft: Spring,disk, B/brg Rad N/com, Spg,prim.tension., Pin, Knock, 3x5.2 are included in the Cb900c 900 Custom 1982 (c) Usa Primary Shaft parts fiche.