Parts such as the Transmission: Bush,3rd Driven Gear, Gear,6th Driven(nt:25), Bearing(25x52x20.6), Circlip are included in the Gsxr600z 2003 (k3) Usa (e03) Transmission parts fiche.
The forty-seven Gsxr600z 2003 (k3) Usa (e03) Transmission component parts are all listed in this schematic.
The most reasonably priced component used on the Gsxr600z 2003 (k3) Usa (e03) Transmission is the Pin(6x10).