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  1. #1
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    Powerhead gasket

    1998 mercury 225 efi SN OG - 607739

    is this the correct powerhead gasket? I see 2 different ones and they look totally different <SEE ANNOUNCEMENTS>


    Last edited by EuropeanAM; 05-13-2025 at 07:00 AM. Reason: Announcements- Please follow.

  2. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
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    #2
    This appears to be the new-style powerhead gasket for your engine.

    I might suggest that a sure-fire way to get it right is to reach out to Rhonda (see her post, pinned at the top of this forum). She keeps those in stock ready to go.

    Note: I would not, under ANY circumstances, accept the older-style gasket. They were fragile, and the material left behind on the surface closely resembles carbon-fiber impregnated, kevlar-reinforced concrete. Royal PIA to deal with when removal is required.


    Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
    Still consider myself a "Marine Apprentice" after 48 years (learn something new every day).
    Mercury Parts, Mercury Outboards, Smartcraft & Accessories, Injector Service, TDR Reeds- BBC Sponsor

  3. Member
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    #3
    Thanks for your help, I'll be calling soon to discuss sending in my injectors and possibly my reed cages for new reeds. So I could just get the gasket then

  4. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
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    #4
    Roger that!


    Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
    Still consider myself a "Marine Apprentice" after 48 years (learn something new every day).
    Mercury Parts, Mercury Outboards, Smartcraft & Accessories, Injector Service, TDR Reeds- BBC Sponsor