Up for sale is KEIHIN CARBURETOR PWK 28MM SINGLE W/CHROME SLIDE CRB0007. The vendor part number is CRB0007. Please read title to know what you are getting. The catalog decription.... is The Keihin PWK two stroke carburetor is the dominant carburetor on the factory motocross machinesChromed semi-flat (D) throttle valve for excellent response and more flow at high rpmThrottle bores sized to give maximum powerAvailable in six popular sizes to cover all your horsepower requirementsEasy jetting with Jetting parts available 2-stroke, 80-200cc