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Float valve question

Discussion in 'XJ Technical Chat' started by carlos102090, Aug 23, 2011.

  1. carlos102090

    carlos102090 Member

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    How would you check if your float valves inside the carb are working correctly?
     
    carlos102090, Aug 23, 2011
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  2. schmuckaholic

    schmuckaholic Well-Known Member

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    If the carbs aren't overflowing and/or you don't have gas in your oil, chances are they're working correctly.

    What's happening that's causing you to wonder about the float needles/valves?
     
    schmuckaholic, Aug 23, 2011
    #2
  3. carlos102090

    carlos102090 Member

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    That I might be smelling a little gas in my oil. Not alot though
     
    carlos102090, Aug 24, 2011
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  4. yamaman

    yamaman Member

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    well you would need to drop the carb rack for sure. the needles should 'drop' inside the valve/cylinder. sometimes I seen crud in the needle so bad it doesn't move At All. Winterization stuff does that if the bike isn't flushed out the next season
     
    yamaman, Aug 24, 2011
    #4
  5. bigfitz52

    bigfitz52 Well-Known Member Premium Member

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    You check it the same way you check float levels, using fuel and clear tubing. If a float isn't shutting off, or is set too high, doing the "clear tube test" will immediately reveal the problem.

    While the checking can be done on the bike (see my most recent response in this thread: http://xjbikes.com/Forums/viewtopic/t=3 ... rt=30.html) it would be much easier to pull the carbs and do the check off the bike, since you'll need to pull them to adjust or repair them anyway.
     
    bigfitz52, Aug 24, 2011
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