Of all the components used in this assembly the Cover Assy.,cylin is the most expensive.
In this schematic the "Bolt Head Cover" is used most often.
Parts such as the Cylinder Head Cover: Gasket,breather P (mca), Cover Assy.,cylin, Plate Comp.,breat, Gasket B,breather (nas) are included in the Cbr600f Hurricane 1987 (h) Switzerland / Kph Cylinder Head Cover parts fiche.