Parts such as the Transmission: Gear,second Driven, Washer,lock, Shaft,counter, Sprocket,engine (nt:15) are included in the Gs750n 1978 (c) Usa (e03) Transmission parts fiche.
The most reasonably priced component used on the Gs750n 1978 (c) Usa (e03) Transmission is the Circlip.
The Transmission is made up of components including this Chain Assembly,drive which is the most expensive.