Re: 1985 Johnson 8hp running rough

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April 16, 2018 at 4:04 pm #74122
fisherman6
Participant

    US Member

    Have you tried running the motor yourself on your own tank? The problem could be as simple as one or both of his fuel line fittings (depending if the fuel line dis connects from the tank and the motor with a quick connect fitting) has leaky O-rings. It could be drawing air into the fuel line through the fittings and starving the engine for fuel. As mentioned, check the easy stuff first.
    -Ben

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