With two applications this Bolt,socket,8x23 is the most specified part.
The three Klx450akf Klx450r 2019 Europe Seat component parts are all listed in this schematic.
Parts such as the Seat: Pad,seat, Seat-assy,dual,black, Bolt,socket,8x23 are included in the Klx450akf Klx450r 2019 Europe Seat parts fiche.