Why is Chunfeng 650 engine so hot?

Lack of glass water. Feng Chun 650 engine is so hot because of the lack of glass water. Chunfeng 650 is equipped with a 650cc double-cylinder water-cooled engine, with a maximum horsepower of 7 1 horsepower, a maximum torque of 56N.m, a maximum speed of 170km/h and an acceleration of 5.5 seconds per 100 km. Overheating of Feng Chun 650 engine can be solved by adding glass water.