23mm Carburetor, GY6 50cc 139QMB

Performance 23mm Carburetor for Gy6 50cc 4 stroke 139QMB scooters. Take advantage of the performance parts you already have installed by adding this 23mm carb. It fits into your stock manifold but it is about 5mm larger than your stock carb. Perfect for use with the 72cc and 80cc big bore kit. Don't forget to up-jet your carburetor as needed when using it with a big bore kit.