This carburetor is for the 2017 model of Hero Splendor 100cc bike, but it can also be used in 110cc bikes. The air and fuel mixing of the carburetor is set 100% perfectly and you will get 100% perfect good mileage. The carburetor has only one issue which is the overflow problem, for which an extra nozzle-vacuum proper arrangement is also provided, so that the overflow problem generally does not cause trouble. For those on a tight budget and looking for a best carburetor in this range for the best mileage, this carburetor will be the best choice. Due to setting a vacuum through an extra pipe under the carburetor, the overflow problem does not create any issues. However, we can say with 100% certainty that you will get 100% good mileage and performance with this carburetor.