This schematic depicts all components used in the Gsf600s 1997 (v) (e02 E04 E17 E18 E22 E24 E25 E34) Rear Master Cylinder partslist.
On this parts fiche the Washer(10x15x1.5) is the most specified component.
Of all the components used in this assembly the Cylinder Assy,rr Master is the most expensive.