The following Mikuni Carburetor Schematic and Diagram apply for Yamaha DT250 and DT350 series. The carburetor consists of following parts: pilot jet, float needle seat assembly, washer, o-ring, needle jet set bolt, needle jet washer, main jet, gasket, cover bolt, float, float lever arm, float pivot pin, float bowl gasket, float bowl, plate, float bowl screw, needle jet, throttle slide, clip, spring seat, throttle slide return spring, clip, carburetor cap, cable adjuster, etc.