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Carb Question

Discussion in 'XJ Technical Chat' started by BruceB, Feb 24, 2014.

  1. BruceB

    BruceB Active Member

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    Are the floats in the XJ650 carbs made of a solid material or are the hollow?
     
    BruceB, Feb 24, 2014
    #1
  2. dmlyster

    dmlyster Member

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    They are very light weight so have got to be hollow. I've not cut one up but basically an air ballast/float is my belief.
     
    dmlyster, Feb 24, 2014
    #2
  3. FtUp

    FtUp Well-Known Member

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    solid, sorta. they are full of air bubbles. that is why they are so light. this particular float was really rusty. so I boiled it in a crock pot of phosphoric acid. the problem was that I forgot it and when I remembered it I found two perfectly clean floats less the metal part. it had dissolved completely.

    [​IMG]
    float cross section by bmonkey36, on Flickr

    CN
     
    FtUp, Feb 24, 2014
    #3
  4. BruceB

    BruceB Active Member

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    Thanks for the pic and information. I am rebuilding a spare set of carbs and one of the floats have an indentation on it. It is on the top so I wanted to be sure that it wouldn't fill up and hold the float valve open.
     
    BruceB, Feb 24, 2014
    #4
  5. Rice_Burnarr

    Rice_Burnarr Member

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    Haha! Bet you won't do that again!
     
    Rice_Burnarr, Feb 24, 2014
    #5
  6. FtUp

    FtUp Well-Known Member

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    nope! only takes once!

    CN
     
    FtUp, Feb 24, 2014
    #6
  7. Rice_Burnarr

    Rice_Burnarr Member

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    That's funny... Now.

    I bet it wasn't funny at the time though. :)
     
    Rice_Burnarr, Feb 24, 2014
    #7
  8. FtUp

    FtUp Well-Known Member

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    it was pretty far gone with rust to begin with and was extra parts. so it wasn't any real big deal.

    CN
     
    FtUp, Feb 25, 2014
    #8

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