The component with the lowest price in the GENERATOR schematic is the Bolt.
Parts such as the Generator: Bolt(12x23), Starter Assy, Bolt, Rotor Assy are included in the Gsxr600 2006 (k6) Usa (e03) Generator parts fiche.
The six Gsxr600 2006 (k6) Usa (e03) Generator component parts are all listed in this schematic.