Parts such as the Cam Chain (model Z): Guide,cam Chain No.1, Screw, Screw (6x25), O-ring are included in the Gsx1100es 1983 (d) United Kingdom Germany (e02 E22) Cam Chain (model Z) parts fiche.
This Adjuster,cam Chain Tensioner is the most expensive of the items that make up this Cam Chain (model Z) assembly.
In this schematic the "Screw" is used most often.