The Transmission assembly is constructed from several parts from which the Ct/shaft,trns. is the most expensive.
Parts such as the Transmission: Plate,fixing, Pin, Shift Fork, Gear,c/shaft Fift, Washer,thrust25mm are included in the Cb400nc 1983 (d) France Transmission parts fiche.
The most reasonably priced component used on the Cb400nc 1983 (d) France Transmission is the Bolt,hex 6x12.