139QMB Carburetor Kit Fit for GY6 50CC 49CC

General description The 139QMB Carburetor Kit is designed to fit GY6 50CC and 49CC engines, making it an ideal replacement for various mopeds and scooters. This upgraded carburetor ensures improved performance and efficiency, allowing your engine to run like new. Technical specifications Carburetor intake manifold inside diameter: 0.71 inch / 18 mm Outer diameter of the air filter side: 1.57 inches / 40 mm Compatibility and accessories Compatible with 139QMB, 139QMA, Lance Eagle, Tank Urban VIP, Future Champion 50 mopeds Fits most Chinese-made scooters and ATVs, including JONWAY, JMSTAR, ROKETA, SUNL, TANK, PEACE, TAOTAO, Oriental, Kazuma, JCL Includes: 1 carburetor, 1 air filter, 1 fuel filter, 1 spark plug, 1 intake manifold, and 2 gaskets Usage Improved main jet for better starting and idling Stable idle speed and fuel efficiency Designed for easy installation and replacement of old carburetors