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  1. #1
    SO FUN (OP)
    Junior Member SO FUN's Avatar
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    Default Carbs won’t stop leaking



    Carb 2 in particular continues to leak down the face of the float bowl and drip off the bowl drain.

    I did a thorough rebuild as they were all looking this way and I thought maybe the bowl gaskets were long overdue for a change.


    2002 Yamaha FZ1
    2004 Ducati ST4s ABS “Senna”
    1998 Ducati ST2 apocalypse edition

  2. #2

    Default

    Apparently, you missed something.
    You know what you gotta do.

  3. #3

    Default

    Quote Originally Posted by justpassinthru View Post
    You know what you gotta do.
    this.

    i'm in the middle of rebuilding my dirt bike, same bullshit, put it all back together, turn on fuel, fuel starts leaking, i start crying, work on your own bikes they said, it'll be fun they said fml

    but yes, you gotta take it apart, re-clean it, check allllll gaskets and screws etc etc

  4. #4
    SO FUN (OP)
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    Default

    Third times a charm, right?


    2002 Yamaha FZ1
    2004 Ducati ST4s ABS “Senna”
    1998 Ducati ST2 apocalypse edition

  5. #5

    Default

    Any time a rebuild a carburetor I test it with this. https://www.tooldiscounter.com/ItemD...xoCSrkQAvD_BwE
    Turn the carb upside down so the float will close the needle valve and apply pressure.
    If it doesn't hold pressure like this, you will have a fuel leak when it's back on the bike.

  6. #6
    SO FUN (OP)
    Junior Member SO FUN's Avatar
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    Default

    Mystery solved. Carb #2 float bowl seal didn’t seat properly and had malformed when I rebuild them recently, thus the leaking. Now, no more leaking.


    2002 Yamaha FZ1
    2004 Ducati ST4s ABS “Senna”
    1998 Ducati ST2 apocalypse edition

 

 

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