The most reasonably priced component used on the Xl350r 1985 (f) Usa Front Brake Master / Cylinder is the Screw,flat,4x12.
Some items from this specific schematic: Hose,brake Lower, Bolt,handle Lever, Screw-wash,4x12, Plate,diaphragm.
The Front Brake Master / Cylinder is made up of components including this Cylinder,fr Mas. which is the most expensive.