The NiBBI PE19 19mm Carburetor is designed for 4-stroke engines commonly found on 50cc, 70cc, 90cc, and 110cc pit bikes, ATVs, quads, and go karts. This carburetor features a mechanical choke type and comes as a single unit. It includes jetting features and is covered by the manufacturer's warranty. Made in China, this carburetor is a reliable choice for improving the performance of your off-road vehicle.