Reply To: 1956 Johnson 30hp High Speed Tuning

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July 12, 2022 at 12:00 pm #262830
frankr
Participant

    “pump the bulb” strongly suggests you have converted it to a fuel pump system.  I submit that therein lies your problem.  The fuel pump, or installation, or a problem with the tank/hose.  First try running it on a known good tank/hose to narrow it down.