Engine Performance and Mileage TVS Phoenix 125cc bike powered by a fuel efficient 124.6cc air cooled engine that can give you power of 10.8 Bhp at 7500 rpm on ride and a torque of 10.8 Nm at 6000 rpm to the wheels on ride. The engine mated with 4 speed gears and wet multiplate clutch. Offered mileage is 45kmpl in city and 67kmpl in highway. The bike gives you good fuel economy as it offers, 45kmpl in city and 67kmpl in highway on ride.