My father gifted me this scooty on my birthday. It is smooth in running goes up to 100 km easily but that is not the preferable speed one must ride. The best part about it is the ECONOMETER, that helps one to maintain the mileage of the vehicle. The company guarantees a mileage of 62 km/l which is not true, actual mileage is somewhere between 35-45 km/l. There is nothing major to complain about this product. It is suitable for both boys and girls(neither too heavy nor too light weight). very comfortable and stylish. Does not require heavy maintenance cost. It is the best scooty one can get in that price range.