Kids ATV Parts PZ19 19mm Carburetor with Hand Choke for 50cc 70cc 90cc 110cc 125cc 135cc ATV Go Kart Dirt Bike Honda CRF50 XR50 CRF XR 50 70 Brand new PZ19 lever choke carburetor Fit almost all the 4 stroke 50cc-135cc ATVs, go karts and dirt bikes. Fit Honda XR/CRF 50/70 and replica bikes OEM replacement of most Chinese brand carbs such as Taotao, Sunl, Roketa, Coolster, Kazuma, etc Engine Opening O.D.: 19mm; Bolt Hole Spacing: 48mm; Air Filter Mount: 35mm