Parts such as the Carburetor: Screw,drain, Tube,breather 245, O-ring, O-ring are included in the Nsr125r 1990 (l) Portugal / Kph Carburetor parts fiche.
Check out any of the forty-eight Carburetor components enlisted.
This Carburator Assy is the most expensive of the items that make up this Carburetor assembly.