How to add water to Jianghuai Ruifeng!

An engine usually has two water outlets. The first one is at the bottom of the water tank, generally near the sewer pipe of the water tank, with a water outlet switch. But draining the water in the water tank can't clean all the water, so you should find a switch on the engine cylinder, usually in the middle of the two sides of the engine cylinder, which should be obvious and easy to find.