eighteen components are shown in this Ksf250-a12 1998 Europe Rear Master Cylinder exploded diagram.
Parts such as the Rear Master Cylinder: Cap-brake, Rod-assy-brake,rr, Clamp, Ring-o,master Cylinde are included in the Ksf250-a12 1998 Europe Rear Master Cylinder parts fiche.
On this parts fiche the Washer,10.5x15x1.5 is the most specified component.