Of all the components used in this assembly the Set-crankcase is the most expensive.
The Kawasaki CRANKCASE/BREATHER COVER/OIL PAN has forty-four products enlisted in the schematic.
The most reasonably priced component used on the Kz750b1 1976 Usa Canada / Mph Kph Crankcase/breather Cover/oil Pan is the Ball-steel,3/8.