The Honda RIGHT CRANKCASE COVER has thirteen products enlisted in the schematic.
Some items from this specific schematic: O Ring 63.5x2, O Ring,23mm, Screw,cross 6x36, Screw Cross 6x28.
The most reasonably priced component used on the Cb350b4 General Export / Kph Mph Right Crankcase Cover is the Screw Cross 6x28.