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Johnson 25 HP

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  • Johnson 25 HP

    Motor will start then dies.

  • #2
    Originally posted by doc1968 View Post
    Motor will start then dies.
    What year is that engine?

    When was the last time it ran normally? Has it been sitting for quite some time?

    Does it have proper compression? And with the spark plugs removed, does it have spark that will jump a 1/4" gap (Magneto model) or 7/16" gap (Solid state Ignition) with a strong blue lightning like flame... a real SNAP!?

    What spark plugs are you using? What gap setting?

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