The Crankcase is made up of components including this Crankcase Assy which is the most expensive.
This part-list fiche shows all the components that make up the Yq50 2007 3c6f Austria 1f3c6-300e1 Crankcase .
Some items from this specific schematic: Bolt,hexagon Socket, Crankcase Assy, Breather, Holder.