With two applications this Nut,12mm is the most specified part.
The component with the lowest price in the CRANKSHAFT/PISTON schematic is the Key-woodruff.
Parts such as the Crankshaft/piston: Ring-snap,piston Pin, Crankshaft,rh, Crankshaft-comp, Nut,12mm are included in the Kdx125-a4 Kdx125sr 1993 Europe Nr Crankshaft/piston parts fiche.