| 摘要 |
A water cooled engine includes a thermostat interposed in a water flow passage way. The thermostat operates a valve which opens and closes to regulate the temperature of water. A bypass structure assembly is associated with the thermostat for permitting the flow of water through the thermostat to be controlled by the valve in the thermostat in an operating position of the bypass structure assembly and for bypassing the thermostat in a bypass position wherein water flows through the flow passageway bypassing the thermostat. A bypass position assembly is associated with the bypass structure assembly for positioning the bypass structure assembly in the operating position and in the bypass position.
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