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Thread: bowl leaking

  1. #1
    Junior Member Jassenk's Avatar
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    No matter how tight I tighten the drain screw it still leaks through the drain hose

  2. #2
    rbm
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    Senior Member rbm's Avatar
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    Time to take the bowl off and really clean and inspect it.

  3. #3
    Junior Member Jassenk's Avatar
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    Is their an o ring that controls the flow out of the bowl

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  5. #4
    Senior Member jbfla's Avatar
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    Quote Originally Posted by Buddy
    Is their an o ring that controls the flow out of the bowl
    Please don't over tighten that screw... Bad things will happen.



    On the 2001 and newer carb, there is no o-ring on the drain screw.



    The drain screw serves 2 functions on the newer carbs.



    The end of the drain screw plugs the hole for draining the bowl.



    Secondly, it allows fuel from the overflow tube to drain around it.



    When you remove the screw, you will notice a thinner neck near the end of the screw.



    This leak notifies you that you have a leaky float valve or, more likely, the o-ring on the float valve seat is bad.



    To fix either, you will need to remove the carburetor to fix the problem.



    This is the result of a bad valve seat o-ring:







    This is what needs to be replaced:







    Jb
    2018 Triumph Street Twin..............2016 CB500F
    2014 XT250 ..................................2008 H-D Softail Deluxe
    2008 SV 650..................................2007 DR 650..

  6. #5
    Junior Member Jassenk's Avatar
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    Thanks for the help . i would say that bad things may have happened i tried to tighten it and i heard a loud pop and it still leaking ..

  7. #6
    Senior Member jbfla's Avatar
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    The leaking will continue until the o-ring and/or valve seat is replaced.



    Only a guess, but the loud pop may have been the carb bowl cracking.



    If so, you will need a new one, or try to mend the old one with JB Weld.



    Make sure you turn off the petcock, while you figure out what to do... or more bad things will happen if a spark gets near that puddle of gas.



    If you decide to try the repair yourself, please read the post in the Tech section about removing the float,



    in order to avoid breaking off the float posts.



    If that happens, you will be needing a new carb.



    Jb
    2018 Triumph Street Twin..............2016 CB500F
    2014 XT250 ..................................2008 H-D Softail Deluxe
    2008 SV 650..................................2007 DR 650..

  8. #7
    Junior Member Jassenk's Avatar
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    Would you happen to no the item #s to the bowl ,rings etc. tnks for the help

  9. #8
    Senior Member silverhead's Avatar
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    The bowl is only sold as the complete carburetor assembly, unfortunately.



    5FY-14301-10-00 $383.95



    yepper.. it's a ripoff.



    NEEDLE VALVE ASSY (includes needle, seat, o-ring, screen.. all as one assembly)

    5LB-14390-00-00 $16.95



    GASKET, FLOAT CHAMBER (float bowl rubber gasket)

    5LB-14384-00-00 $7.49
    1993 TW200

  10. #9
    Senior Member jbfla's Avatar
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    Found the photo --- been on the road again, and it's sometimes difficult to get the iPad to find I want.







    jb
    2018 Triumph Street Twin..............2016 CB500F
    2014 XT250 ..................................2008 H-D Softail Deluxe
    2008 SV 650..................................2007 DR 650..

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