Tricycle engine cooling system

The utility model discloses a tricycle engine cooling system is equipped with the protection frame at the front end of frame, should protect the shelf location radiator, and the top of protection frame has coolant tank, is provided with water filling port, an inlet outlet and the 2nd inlet outlet on coolant tank, the cooling hot water export of engine is connected with the one end of radiator inlet tube, and the other end of radiator inlet tube is connected with the water inlet of radiator, and the delivery port of radiator is connected with one end of radiator outlet pipe, and one of them inlet outlet of another and coolant tank of radiator outlet pipe is connected, and coolant tank's another inlet outlet and the one end of coolant tank outlet pipe are connected, the other end of coolanttank outlet pipe and the cooling water input ports are connected of engine. The utility model discloses make whole plantago portion have anticollision function, can prevent effectively that the radiator from damaging to the p