Re: excessive gas coming out of exhaust port

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October 6, 2016 at 8:11 pm #45322
fisherman6
Participant

    US Member

    Do you know when the last time this engine was tuned up was? There will be a certain amount of unburned fuel mix expelled, but what you describe certainly sounds excessive. What spark plugs are in the engine? Is is possible it is only running on one cylinder at low speed? That is one possible cause of excessive amounts of fuel to be exhausted.
    -Ben

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