The GY6 carburetor fits most 125cc to 150cc. GY6 125cc-150cc, 152QMI, 152QMJ, 157QMI, 157QMJ, Engine ATV Quad Bike 4 Wheeler Dune Buggy Go Kart Karting Moped Scooter. At the same time, 150cc carburetor can be applied to most Chinese brand vehicles. The 150cc carburetor may also suit some Japanese styles.