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Thread: Spark plug guide

  1. 05-17-2014, 04:57 PM #1
    redrivergar
    redrivergar is offline Slabmaster
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    Default Spark plug guide


    Can anyone tell me where to find the size and gap spark plug for a 1980 mercury black max 150? Thanks.
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  2. 05-17-2014, 05:28 PM #2
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    Barnacle Bill
    Barnacle Bill is offline Super Mod and 2014 Crappie.com Man of the Year * Crappie.com Supporter
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    NGK BU8H (6431) plugs. These are surface gap plugs so you don't have to set them.
    Fair Winds and Following Seas

    Bill H. PTC USN Ret
    Chesapeake, Va

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  3. 05-17-2014, 05:47 PM #3
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    CrappiePappy
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    Quote Originally Posted by redrivergar View Post
    Can anyone tell me where to find the size and gap spark plug for a 1980 mercury black max 150? Thanks.
    All I could find was this : http://www.iboats.com/mall/partfinde...n_id=347825048 ... and there is no "gap" in these plugs.

    ... cp
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  4. 05-17-2014, 07:49 PM #4
    redrivergar
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    Thanks very much.
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