In this schematic the "Bolt,hexagon Socket" is used most often.
Parts such as the Crankcase: Hose (l210), Bolt,hexagon Socket, Cover, Crankcase 1, Spacer, Engine Mount are included in the Yq50l 2005 3c65 Belgium 1d3c6-300eb Crankcase parts fiche.
The Crankcase assembly is constructed from several parts from which the Crankcase Assy is the most expensive.