The sub assemblies and components that make up this Crankcase include this Crank Case Assy, the most expensive part.
The lowest price component in this Crankcase parts-list fiche is the Ybs66-6 Washer, Plain.
Parts such as the Crankcase: Bolt, Hexagon (654), Bush (278-17833-00), P1n, Dowel, Gasket, Drain Plug (mca) are included in the Rd400 1978 Usa Crankcase parts fiche.