Re: 1962 18hp Johnson Only Runs With Choke.

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September 6, 2016 at 6:55 pm #43460
David Stanton
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    quote rickrodt:

    When you say you rebuilt the carburetor, did you install a new OMC/BRP carb repair kit? Did you install the small seal between the carb top and bottom? It is a small round ring and it seals the inside of the bowl so no air leaks. It goes on the main nozzle pickup tube. If you used the old gaskets and such, it might be causing the problems you describe.

    My experience has been that if that small donut seal is missing or bad, the carb floods when you open the throttle above idle – the opposite problem of needing the choke on.
    Dave