4-Stroke Cable Choke Carburetors / Carbs that are used on Chinese atv's, dirt bikes, utv's, mini-bikes, scooters and mopeds, motorcycles and go-karts including PZ16, PZ19 PZ20, PZ22, PZ22J PZ25, PZ27, PZ30 and PWK carbs. They fit Tao Tao-s, Coolster, Kazuma, Roketa, Coleman and more!