On this parts fiche the Bolt,flange,6x32 is the most specified component.
A sample from the products for the Right Crankcase Cover include: Dowel,pin,8x14, O Ring,48.1x3.6, Gasket,r Cover (nas), Bolt,flange,6x32.
The Bolt,flange,6x32 is the cheapest item from this partsfiche.