How do I Replace Thermostat Mercury 200Hp?

Connect a garden hose to the Mercury flushing attachment the ear muffs used to flush the engine. Turn the water on full force. Ensure all persons present are aware that you are starting the engine, warning them to keep clear of the propeller.

Run the motor until it reaches normal operating temperature. Monitor the temperature of the steady stream of water coming from the bypass with a temperature probe or laser temperature gun. hdmi wireless If the temperature is above 160 degrees the usual factory setting for the thermostats and bypass valves or if the "overheating" warning horn sounds before the stream of water stops, shut the motor down.

Remove and replace the impeller. If the engine isn't getting enough cooling water, it will run hotter than normal. Nearly 95 percent of the time, the problem is the impeller. After 300 hours of operation, the impeller requires changing if you're nearing that milestone, change the impeller and check the temperature again.

Remove the two screws that hold the thermostat faceplate in place on the face of the housing, if the motor still runs hot. Replace the temperature sensors in the outermost holes of the thermostat faceplate and test the motor again.

Replace the two bypass valves the two valves in the two innermost holes of the plate, if the motor still runs hot.

How do I Replace Thermostat Mercury 200Hp?

When you need to replace the thermostat on a Mercury 200 horsepower motor, remember that there a thermostat for each cylinder. The.

How to Find the Serial Number for a 150 OptiMax Mercury Marine

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