The component with the lowest price in the LEFT CRANKCASE COVER schematic is the Bolt,hex 6x25.
Some items from this specific schematic: Bolt,hex 6x25, Cover,l.rr.crankc, O-ring 7x1.7, Rubber,rr.mount.
seventeen components are listed in the schematic for this Nx125 Transcity 1997 (v) France / Cmf Left Crankcase Cover .