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  1. Venomous

    2013 Mercury 20 1F20201HK Leaking gas out the carb mouth (Solved)

    I was skeptical also. So, after the new gaskets seemed to work....I put the old gaskets back in and the the leaking out the mouth started again. Since putting in the new gaskets the boat has been out on the water twice and no leaking. I am hoping it stays this way.. If the problem rears it's...
  2. Venomous

    2013 Mercury 20 1F20201HK Leaking gas out the carb mouth (Solved)

    If someone reads this post with the ability to change the title of this thread, please add the word Solved to the title. Thanks
  3. Venomous

    2013 Mercury 20 1F20201HK Leaking gas out the carb mouth (Solved)

    Solved!!!! Hi All, I tried to adjust the original float by heating but gave up after looking at it. The way the float is built it would have been highly unlikely I would have been able to adjust it and still have it grip the top of the float valve. I studied each and every part from the air...
  4. Venomous

    2013 Mercury 20 1F20201HK Leaking gas out the carb mouth (Solved)

    I still have it. I was thinking of taking a small flat soldering iron tip and using a low enough temperature to slowly bend the plastic. I will try this and see how it goes.
  5. Venomous

    2013 Mercury 20 1F20201HK Leaking gas out the carb mouth (Solved)

    In addition to the one person I read about with the fuel pump issue, I found another guy that had the same issue I am facing. No one could figure it out, he took it to private mechanics , then he finally broke down and he took it to 2 different Mercury service centers and no one could figure it...
  6. Venomous

    2013 Mercury 20 1F20201HK Leaking gas out the carb mouth (Solved)

    I did read about someone having a similar issue where his fuel pump was putting out to much pressure. This pump should have 4.2 psi according to the service manual. I tested it with a fuel pressure gauge and got 4psi. I have not seen a reference to a fuel regulator in the service manual. I do...
  7. Venomous

    2013 Mercury 20 1F20201HK Leaking gas out the carb mouth (Solved)

    Yes, that was something else I found strange in addition to the all plastic float. Most float valve needles have a built in spring at the top of the valve. These float valve needle pins are solid. After working on ATV's and SXS's for years I have quite a selection of carb rebuild kits. I went...
  8. Venomous

    2013 Mercury 20 1F20201HK Leaking gas out the carb mouth (Solved)

    I would love to do that, but it does not seem to be adjustable. Both the factory carb and the new cab have floats entirely made of plastic. There are no adjustment tabs like I usually see on carb floats. Is there a way to adjust these? Thanks for the response.
  9. Venomous

    2013 Mercury 20 1F20201HK Leaking gas out the carb mouth (Solved)

    Hi All, Working on a Mercury 20 Outboard for a friend. Carb was originally leaking out the overflows. Rebuilt the carb and now float valve is closing properly and no gas leaking from the overflows. I put the carb on the bench and hooked it up to a 3-4 psi electric fuel pump. With the fuel pump...
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