Parts such as the Transmission: Collar,25x30x13.2, Gear,input 5th,21t, Gear,input 2nd,15t, Ring-snap,25mm are included in the Klx450aaf 2010 Europe Transmission parts fiche.
The Transmission is made up of components including this Shaft-transmission In which is the most expensive.
The twenty Klx450aaf 2010 Europe Transmission component parts are all listed in this schematic.