In this schematic the "Circlip" is used most often.
Parts such as the Transmission: Gear,input 2nd,17t, Gear,input 4th,22t, Shaft-transmission In, Washer,20.3x30x0.7,st are included in the Klx650a2 Klx650r 1994 Europe Transmission parts fiche.
The Transmission assembly is constructed from several parts from which the Shaft-transmission In is the most expensive.