Parts such as the Cylinder Head 85-87: Ins,carb, Washer,plain,8mm, Spark Plug (nd), O Ring Special are included in the Xr600r 1985 (f) Usa Cylinder Head 85-87 parts fiche.
In this schematic the "Washer,plain,8mm" is used most often.
This Head,cylinder is the most expensive of the items that make up this Cylinder Head 85-87 assembly.