On this parts fiche the Screw is the most specified component.
The Screw is the lowest priced item on this Clutch Master Cylinder schematic.
This schematic depicts all components used in the Gsxr750 1987 (h) (e01 E02 04 06 15 16 17 18 21 22 24 25 34 39 53 Clutch Master Cylinder partslist.
