Which is better, Sanyang Jiumei Daping scooter 300 water-cooled engine and air-cooled engine?

Water cooled engine. According to relevant public information, the water-cooled scooter of Sanyo Jiumei Daping Scooter 300 is superior to the air-cooled scooter in terms of safety, stability, noise and fuel economy, while the air-cooled engine has poor rigidity, large vibration and noise, and is easy to overheat, so the water-cooled engine is good. An engine that uses water as a cooling medium is called a water-cooled engine. Coolant, that is, water, is delivered by a water pump and flows through the engine and water radiator.