Parts such as the Upper Crankcase: Crankcase Comp, Upper, Bolt,cylinderstud, Bolt Hex 6x71, Crankcase Comp, Upper are included in the Cb250k0 England Upper Crankcase parts fiche.
The Upper Crankcase assembly is constructed from several parts from which the Crankcase Comp, Upper is the most expensive.
This UPPER CRANKCASE assembly utilises eight Bolt,cylinderstud(s) - the highest specified component.