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Charles, Marine Mechanic
Category: Boat
Satisfied Customers: 3720
Experience:  US Navy (Ret) Certified Mercury Marine Tech with over a decade of repair experience.
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Buying boat with Mercruiser serial number 0W392777 family 5M9XM05.7GME.

Customer Question

Buying boat with Mercruiser serial number 0W392777 family 5M9XM05.7GME. Anything to be concerned with or to check before purchasing?
Submitted: 2 years ago.
Category: Boat
Expert:  Charles replied 2 years ago.
Hello, my name is***** you for allowing me to assist you today.
Always do a compression test when looking at a marine engine. Make sure that all cylinders are within 15% of each other.
The 5.7 engine has been around along time. There are not really any big issues with the engine as long as it is maintained properly.
Make sure that you change the oil and water pump impeller every year and the engine will last for a while.

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