In this schematic the "Washer Oil Bolt" is used most often.
The sub assemblies and components that make up this Front Brake Master Cylinder include this Cylinder Assy.,fr, the most expensive part.
Parts such as the Front Brake Master Cylinder: Circlip, Nut,flange,6mm, Holder,master Cyl, Screw,flat,4x12 are included in the Nsr125r 1991 (m) Italy / Kph Front Brake Master Cylinder parts fiche.