Scooter can flush the engine with water, but should be carried out after the engine is turned off and cooled, and pay attention to the water pressure should not be too large when flushing, do not flush the front and back of the engine transmission part, and do not flush the electrical components and wiring and plugs, as well as air filters, carburetors, exhaust pipes, etc., for a long time to avoid these parts caused by water failure.
Air cooling can be flushed with water.