The Screw is the lowest priced item on this Crankcase Cover schematic.
Parts such as the Crankcase Cover: Gasket(6.2x11x1).2 (nas), Cover Set,clutch, Screw 6x30, Screw are included in the Zr50sk 1982 (x) (e02 E16 E17 E21 E41) Crankcase Cover parts fiche.
With all the components that make up the ZR50SK 1982 (X) (E02 E16 E17 E21 E41) CRANKCASE COVER assembly. The Screw 6x30 is the most frequently specified with four applications.