QUANTITY - Carburetor come with three main jet#128#130#135 and one pilot jet#35 and Carburetor installation manual. FITMENT - NIBBI Motorcycle Carburetor Fit for Motorcycle Engine,Replacement for Dirt Bike Mini Bike Pit Bike Motocross GY6 ATV,ect FUNCTION - Manifold intake size: 46mm.Please check the dimensions of this carburetor, shown in the second pictures. Your old carburetor needs to look like the same with our pictures to replace it HIGH QUALITY - The surface of the carburetor is anodized and will not easily rust. Made of high-quality materials and practical, More economical fuel efficient. AFTER SALE - If you have any questions, please feel free to contact us by email for more information.We will solve it for you in the first time NIBBI PWK Carburetor