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  1. 07-04-2017, 08:26 PM #1
    seaman
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    2005 Merc 200 EFI sparkplugs

    I recently purchased a 2005 Mercury 200 EFI outboard and I'm seeing some different recommendations on sparkplugs. I am ordering the service manual but, while I wait, does anyone know the proper plugs for this outboard? My serial is 1B104613.
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  2. Haughton
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    #2 07-05-2017, 04:00 PM
    Mercury parts calls for NGK BPZ8HS-10
    1999 ProGator 190V
    200 Mercury EFI 0G843298
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  3. seaman
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    #3 07-05-2017, 09:44 PM
    ok thanks. I saw others talking about the Champion plugs but I believe those are for the 3.0L.

    thanks again.
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  4. cajunrgfm
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    #4 07-06-2017, 04:12 AM
    you need the resistor plugs,on them,or they run like crap,there is no good substitute for the NGK's,for the motorola electric system
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  5. seaman
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    #5 07-06-2017, 09:05 AM
    Appreciate the input!
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  6. EuropeanAM
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    #6 07-11-2017, 01:52 PM
    Quote Originally Posted by Haughton View Post
    Mercury parts calls for NGK BPZ8HS-10
    +1

    The other plug you were seeing is for 3L models (a completely different engine).


    Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
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  7. seaman
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    #7 07-11-2017, 10:55 PM
    Thank you, sir! And BTW, I reached out to Rhonda via email to upgrade my fuel lines to EPA approved - I just need to send her the actual measurements of my existing lines. I just bought a boat with this motor, an upgrade from my '92 Johnson...

    I plan on using the quickleen/quickare cocktail, is there any other tips I should employ to keep this particular outboard in great shape?
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  8. EuropeanAM
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    #8 07-14-2017, 11:16 AM
    Full maintenance Once per Year, or every 100 Hours, whichever occurs FIRST.

    The following link was written for Optimax Models- simply ignore references to the Air Compressor, Compressor Filter, or Compressor Strainer (most everything else applies):


    Recommended Annual Maintenance


    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).
    Mercury Parts, Mercury Outboards, Smartcraft & Accessories, Injector Service, TDR Reeds- BBC Sponsor
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