The sub assemblies and components that make up this Crankcase include this Crankcase Assy, the most expensive part.
The most reasonably priced component used on the Xc125tc 1987 Riva California Crankcase is the Circlip(1ey).
The sixty-two Xc125tc 1987 Riva California Crankcase component parts are all listed in this schematic.