The most reasonably priced component used on the Z50j6 Monkey Japan Crankcase is the Clip B10,tube.
Some items from this specific schematic: Clip C11,tube, Stud A, Cylinder, Drain Cock, Clip B10,tube.
With all the components that make up the Z50J6 MONKEY JAPAN CRANKCASE assembly. The Bolt,flange Sh 6x65 is the most frequently specified with four applications.