The Screw Wash.,4x12 is the lowest priced item on this Front Brake Master Cylinder schematic.
nineteen components are shown in this Nsr125f 1990 (l) Italy / Kph Front Brake Master Cylinder exploded diagram.
Some items from this specific schematic: Plate,diaphragm, Bolt,handle Lever, Hose Comp.,fr.bra, Boot.