Patent attributes
There is provided a saddle-ridden type vehicle. A cooling water flow control unit includes a first passage, a second passage, a bypass passage communicating the first and second passages and a thermostat. An engine outlet piping connects a water jacket and the first passage. A radiator inlet piping connects the first passage and a radiator. A radiator outlet piping connects the radiator and the second passage. A water pump inlet piping connects the second passage and a water pump. The water pump is disposed at a side part of a crank case and in front of a crankshaft. The cooling water flow control unit is disposed above a cylinder head cover. The radiator inlet piping, the radiator outlet piping and the water pump inlet piping are disposed between the engine and the radiator.