On this parts fiche the Bolt,flanged,6x8 is the most specified component.
The most reasonably priced component used on the En650ehf Vulcan S Cafe 2017 Europe,middle East, Africa Crankcase is the Pin-dowel,8x14.
Parts such as the Crankcase: Plug,input Shaft, Separator,breather, O Ring,10mm, O Ring are included in the En650ehf Vulcan S Cafe 2017 Europe,middle East, Africa Crankcase parts fiche.