Parts such as the Gear Shifting (model K4): Bearing(25x32x12), Bolt(6x14.3), Bolt, Spring are included in the Sv650s 2004 (k4) Usa (e03) Gear Shifting (model K4) parts fiche.
On this parts fiche the Circlip is the most specified component.
Check out any of the forty-four Gear Shifting (model K4) components enlisted.