Parts such as the Left Crankcase Cover - Rear Cover: Gasket,l-ck/case (mca), Bolt,hex 6x25, Ball,steel.,10, Retainer,ball are included in the Cb250k0 Sweden Left Crankcase Cover - Rear Cover parts fiche.
The Screw,cross 6x32 is the most widely applied product in the CB250K0 SWEDEN LEFT CRANKCASE COVER - REAR COVER ( four times ).
The Ball,steel.,10 is the cheapest item from this partsfiche.