In this schematic the "Bolt,socket,6x10" is used most often.
The Washer-spring,6mm is the cheapest item from this partsfiche.
Parts such as the Muffler(s): Damper,8x22x6, Body End-muffler, Bolt-flanged-small,8x, Bolt-socket,6x10 are included in the Klx450aff 2015 Europe Muffler(s) parts fiche.