The Screw is the lowest priced item on this Cam Chain schematic.
The Cushion,idler is the most widely applied product in the GS850G 1983 (D) GENERAL EXPORT (E01) CAM CHAIN ( four times ).
Parts such as the Cam Chain: Guide,cam Chain No.1, Washer,8.5x16x, Holder,cam Chain Guide, Nut are included in the Gs850g 1983 (d) General Export (e01) Cam Chain parts fiche.