How to Replace a MerCruiser Alpha Thermostat?

Answer The thermostat in your MerCruiser Alpha monitors the temperature of the engine. The impeller inside the out-drive sucks water into the engine. If the engine temperature is too hot, the thermostat o... Read More »

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How to Replace the Power Steering Oil Cooler in a Mercruiser Alpha 1?

The power steering oil cooler is incorporated into the pump body in the Generation 1 Mercruiser Alpha sterndrive. This means that replacing the oil cooler is no more difficult than removing the bel... Read More »

How to Replace the Thermostat on a 4.3 V6 Mercruiser?

The thermostat in your 4.3-liter, V6 Mercruiser controls the engine temperature by regulating the amount of water that circulates through the engine. The thermostat remains closed until the engin... Read More »

How to Troubleshoot a Mercruiser Alpha One?

The Mercruiser Alpha One stern drive interfaces with the boat's engine to help run the boat. The drive is compatible with a variety of engines, up to 300 hp. It excels with gear rotations between 1... Read More »

How to Remove Your Mercruiser Alpha One Sterndrive?

Removing your drive is not as hard as you might think. The sterndrive should be removed for service every season.