Parts such as the Crankshaft/piston: Rod Connect Assy, Clip,pison,pin, Gear Set,balancer, Crankshaft,r. are included in the Nsr125r 1990 (l) Italy / Kph Crankshaft/piston parts fiche.
The component with the lowest price in the CRANKSHAFT/PISTON schematic is the Plate,brg Hold.
With sixteen applications this Rollar A (red) is the most specified part.