Parts such as the Cam Chain: Guide,cam Chain No.1, Bolt, Gasket (nas), Guide,cam Chain are included in the Gs1000 1980 (t) Usa (e03) Cam Chain parts fiche.
On this parts fiche the Screw is the most specified component.
The Gs1000 1980 (t) Usa (e03) Cam Chain consists of twenty-two pieces with the Adjuster Assembly,tensioner being the most expensive.