On this parts fiche the Cover,lock Nut is the most specified component.
twenty-nine components are listed in the schematic for this Cb600f3 Hornet 2009 (9) European Direct Sales / St Handle Lever/switch/cable .
The most reasonably priced component used on the Cb600f3 Hornet 2009 (9) European Direct Sales / St Handle Lever/switch/cable is the Screw Flat 3x16.