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Mercury Racing 700’s life expectancy.

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Old 05-29-2019 | 06:47 AM
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Default Mercury Racing 700’s life expectancy.

What is the life expectancy of the Mercury Racing 700’s. (In a 42’ fountain). I noticed a lot of boats are put up for sale around the 300-400 hour mark. Are these engine/boats a lot of headache at 400-700 hour range? Do these engine make it to 1000+ hours?
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Old 05-29-2019 | 09:14 AM
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Originally Posted by Smokin_Joe
What is the life expectancy of the Mercury Racing 700’s. (In a 42’ fountain). I noticed a lot of boats are put up for sale around the 300-400 hour mark. Are these engine/boats a lot of headache at 400-700 hour range? Do these engine make it to 1000+ hours?
I'd say at the 300-400 mark you should have at least the top ends done. Even that number seems a little high, I guess it would depend on your use. I would assume just like any Mercury High Performance Engine. 500 Hours you would assume it needs a Full Rebuild. Black Standard Power Mercury Engines like the 496HO and Equivalents have made the 1000hr mark with out opening.

The 700s are a great package, especially with the ability to upgrade them easily with the different Stage Kits.
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Old 05-29-2019 | 12:43 PM
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Originally Posted by cigrocket
I'd say at the 300-400 mark you should have at least the top ends done. Even that number seems a little high, I guess it would depend on your use. I would assume just like any Mercury High Performance Engine. 500 Hours you would assume it needs a Full Rebuild. Black Standard Power Mercury Engines like the 496HO and Equivalents have made the 1000hr mark with out opening.

The 700s are a great package, especially with the ability to upgrade them easily with the different Stage Kits.
Thanks for the info. I heard Mercury is bringing back the 700’s.
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