Parts such as the Carburetor(2/3): Clamp,tube, Washer,adjust Screw, Insulator, Circlip are included in the Klf220-a14 Bayou220 2001 Usa Carburetor(2/3) parts fiche.
With two applications this Washer,adjust Screw is the most specified part.
The Kawasaki Carburetor(2/3) has twenty-two products enlisted in the schematic.