Some items from this specific schematic: Bolt,flange,6x100, Bolt,flange,8x80, O-ring,14.8x2.4, Plug,l.crankcase.
The Crankcase assembly is constructed from several parts from which the Crank Case Comp,r is the most expensive.
On this parts fiche the Dowel,pin,14x20 is the most specified component.