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 Engine manufacturer Mercury Marine makes the Optimax outboard motor in two sizes: 150 horsepower and 135 horsepower. A 150 Optimax Mercury Marine. Causes of Overheating in Outboard Motors. Water is critical for a boat outboard motor to function properly. 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…