The component with the lowest price in the REAR BRAKE MASTER CYLINDER schematic is the Screw Wash.,4x12.
In this schematic the "Washer,oil Bolt" is used most often.
Parts such as the Rear Brake Master Cylinder: Joint,brake Rod, Washer,7x12, O-ring,14.8x2.4, Hose,master Cylin are included in the Cbr600f Hurricane 1988 (j) Switzerland / Kph Rear Brake Master Cylinder parts fiche.