The Generator assembly is constructed from several parts from which the Flywheel Comp is the most expensive.
Parts such as the Generator: Washer,10.5x27, Bolt,flange,10mm, Flywheel Comp, Clamp,acg Cord are included in the Cbr600rr 2003 (3) France Generator parts fiche.
In this schematic the "Bolt,socket,6x32" is used most often.