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    New 8.1 496 Engine overheating!

    Last fall I bought a 2018 8.1 496 Ho engine from authorized Mercury dealer. The ad said that someone installed it in a boat and used it for 1 hour and decided to upgrade to a larger engine. They removed it, flushed it with fresh water and put it back in the factory crate. They replaced the...
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    Mercruiser 7.4 Replacement/Upgrade

    I have a 2001 Sea Ray 260 BR bowrider with a Mercruiser 7.4 MPI Bravo 3. I recently got stuck and was told the engine needs replacing. I'm not sure what happened as I heard a clicking sound that got louder and louder and then the engine seized. No alarms. Mechanic said there was oil everywhere...
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    Overheating alarm - Mercruiser 7.4 MPI

    Hi I have a 2001 Mercruiser 7.4 MPI with Bravo 3. On the first day of the boating season I noticed an overheat alarm. The temperature on the gauge was approximately 170. I slowed the boat down and it fell quickly to around 150 and the alarm stopped. I have a MEFI gateway which shows the engine...
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    Mercruiser 7.4L MPI slows down

    Hi last season I bought a 2001 Sea Ray bowrider boat and from the very beginning I have been having an issue. I run the boat for about an hour between 25-32 mph upwards to 3100 rpm and it runs beautifully. The engine sounds great and the temperature is good right at 170. After about an hour when...
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