In this schematic the "Screw,cross 6x20" is used most often.
This Cylinder Head Side Cover - Breaker Advancer diagram displays the required parts for the Cb250k4 European Direct Sale Cylinder Head Side Cover - Breaker Advancer.
Some items from this specific schematic: Screw,cross 6x20, Bolt Advancer, Washer,spg.,4mm, Gasket,r.&l.cyln. (mca).