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  1. 03-01-2010, 09:42 AM #1
    bredmo62
    bredmo62 is offline
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    Correct spark plug gap

    Does anyone know the correct gap for an 2003 Mercury 225 EFI using the Champion plugs. I was told .35 and .40? serial # OT760980 Thank you.
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  2. rangerguy
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    #2 03-01-2010, 11:50 AM

    Re: Correct spark plug gap (bredmo62)

    Here you go, lot of good information. Your gap is suppose to be .035
    http://www.bbcboards.net/zerothread/310172




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  3. bredmo62
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    #3 03-01-2010, 01:48 PM

    Re: Correct spark plug gap (bredmo62)

    Thanks. I have a seloc book and it says .40 but everything else I have read says .35. Just wat to be right. Alot of good info in that thread!
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