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  1. #1
    Cadet
    Join Date
    Oct 2003
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    Waukesha
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    2

    Default Spark plug gap 1975 85hp V4 Johnson

    I need to know the spark plug gap 1975 85HP V4 Johnson? I purchased motor this spring and have no manual.

  2. #2
    Lieutenant BLU LUNCH's Avatar
    Join Date
    Aug 2003
    Location
    North Central Connecticut
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    Default Re: Spark plug gap 1975 85hp V4 Johnson

    .030 is what you want. I have 74 and it still runs like a champ.
    1974 Wellcraft V-20 CC Steplift/ 1999 150 HP Mercury Bluewater http://www.wellcraftv20.com/gallery/album115
    1975 Wellcraft V-17 CC Steplift
    My CW site www.enfieldwargraves.smugmug.com
    My book I authored http://www.blurb.com/books/1137672

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