The Screw,flat,4x12 is the cheapest item from this partsfiche.
A sample from the products for the Front Brake Master Cylinder include: Cylinder Set,mast, Washer,oil Bolt, Bolt,handle Lever, Cap,m/c..
This schematic depicts all components used in the Cr125r 1988 (j) European Direct Sales Front Brake Master Cylinder partslist.