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  1. 10-05-2018, 02:16 PM #1
    bobimo
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    spark plugs for 1999 200efi

    Is there any better spark plug than stock for 1999 2.5, 200 efi. motor sn 0G886278
    Last edited by bobimo; 10-06-2018 at 07:56 AM.
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  2. EuropeanAM
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    #2 10-05-2018, 03:02 PM
    If you would, please take just a moment to check out the Announcements at the top of the forum, and update your thread with the Required info. Thanks!


    Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
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  3. Haughton
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    #3 10-06-2018, 10:42 PM
    Nope, just good ole NGK BU8H
    1999 ProGator 190V
    200 Mercury EFI 0G843298
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  4. bobimo
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    #4 10-07-2018, 07:03 AM
    thanks was doing a tune up.

    bob
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  5. EuropeanAM
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    #5 10-08-2018, 05:54 PM
    Some use NGK BR8HS so they can "read" the plugs easier, and adjust the gap. (I personally prefer and use the BU8H).


    Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
    Still consider myself a "Marine Apprentice" after 47 years (learn something new every day).
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