The most expensive part in this assembly is the Set-crankcase.
This schematic depicts all components used in the Kz750b1 1976 Usa Canada / Mph Kph Crankcase/breather Cover/oil Pan partslist.
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.