With a quantity of six pieces, the Screw,tap.,4x12 is the most used part in the WINKER (2) diagram.
This schematic depicts all components used in the Nsr125r 1991 (m) Italy / Kph Winker (2) partslist.
Of all the components that make up this Winker (2) the Screw,tap 4x20 has the lowest price.