Yamaha 6EK-12411-00-00 Thermostat
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Yamaha 6EK-12411-00-00 Thermostat
The thermostat part number 6EK-12411-00-00 is a crucial component of your outboard’s cooling system. It regulates the temperature of the cooling water and maintains pressure in the cooling passages to facilitate heat transfer from the cylinder head and block. A vernatherm wax element inside the thermostat housing expands when heated, lifting the valve off its seat and allowing hot water to exit the engine; as the water cools, the wax contracts and the spring closes the valve. This cycle continually adjusts water flow to keep the engine at its design temperature. Running without a thermostat or with an incorrect temperature rating can cause poor combustion and may violate emissions regulations. Inspect thermostats at scheduled intervals and replace them if they stick, corrode or after any overheat event.
Controls cooling water flow to maintain proper engine temperature. Vernatherm wax element opens and closes the valve at a set temperature.
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