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  1. #1
    Member
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    Overheating 225efi

    I have a 96 225 EFI that is overheating. Some back ground info. I have a new lower unit standard ( after market. New thermostat, stratos, sparkplug, tune- up. It just gott out of the shop. Today was the first day of running it. After 5 min the engine started to overheat and the alarm went off. Water pressure is 15 - 20 and the engine was pissing. PLEASE HELP.

  2. Member
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    Jan 2010
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    Celina
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    #2

    Re: Overheating 225efi (bassknight)

    Sounds like it could be something to do with your thermostat

  3. Member
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    Feb 2009
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    #3

    Re: Overheating 225efi (Wix)

    Thinking something.

  4. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
    Join Date
    Apr 2008
    Location
    Greenville, SC (US)
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    98,150
    #4

    Re: Overheating 225efi (bassknight)

    Any failure of the water pump on the OLD gearcase????

    Poppet valve been removed, inspected and replaced as necessary?

    BOTH thermostats removed and inspected/tested?

    Engine serial number would be a good idea.... good reason for this question!?!



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