Parts such as the Carburetor: Case, Starter, Jet, Main #210, Screw, Pan Head, Jet, Pilot (# 17.5) are included in the Tzr125 1995 4hx3 Austria 254jb-300e1 Carburetor parts fiche.
Of all the components that make up this Carburetor the Washer,spring has the lowest price.
In this schematic the "Screw, Pan Head (481)" is used most often.