Parts such as the E-11: Bolt,l.crankcase, Rubber,mounting, Gasket,l Cover (nas), Cover,l (jdm) are included in the Cn250 Fusion 2006 (6) Japan Mf02-230 E-11 parts fiche.
In this schematic the "Bolt,l.crankcase" is used most often.
The most reasonably priced component used on the Cn250 Fusion 2006 (6) Japan Mf02-230 E-11 is the Pin,dowel,10x18.
