How to Check a Sea Water Pump on an 8.1 MerCruiser?

Answer Spending a weekend checking the seawater pump on an 8.1-liter MerCruiser boat engine probably isn't the way you want to spend your weekend, but it requires an annual inspection. The project appears... Read More »

Top Q&A For: How to Check a Sea Water Pump on an 8.1 MerCruiser

How to Change a 470 Mercruiser Water Pump?

The water pump in your Mercruiser 470 is located in the outdrive. It is a small, round, impeller-type structure that mounts on the drive spindle. As the engine rotates, the water pump spins to pull... Read More »

How to Replace a MerCruiser Water Pump Impeller?

The MerCruiser outdrive, or sterndrive, motor has been used on marine watercraft for decades. Like all marine engines, the MerCruiser relies heavily on its water pump impeller to send outside water... Read More »

How to Repair a Mercruiser Alpha One Water Pump?

The water pump in your Mercruiser Alpha One outdrive should be replaced every season to ensure trouble-free boating. The water pump circulates lake water inside the engine to keep it cool. A bad wa... Read More »

How to Replace the Water Pump in My 1993 MerCruiser?

The water pump on your 1993 MerCruiser works by pulling water in to the engine in order to keep it cool. To ensure the best engine cooling performance, you should replace the water pump annually. Y... Read More »