The most reasonably priced component used on the Nsr125r 1992 (n) Spain / Kph Crankshaft/piston is the Plate,brg Hold.
Parts such as the Crankshaft/piston: Key, Woodruff, Plate,oil Guide, Clip,pison,pin, Piston C are included in the Nsr125r 1992 (n) Spain / Kph Crankshaft/piston parts fiche.
On this parts fiche the Rollar A (red) is the most specified component.