Parts such as the Transmission: Bearing(25x62x17), Washer,lock, Gear,fifth Drive, C Ring are included in the Gs1000s 1979 (n) Usa (e03) Transmission parts fiche.
nineteen components are shown in this Gs1000s 1979 (n) Usa (e03) Transmission exploded diagram.
On this parts fiche the Screw is the most specified component.