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well today i got my very own crankcase full of gas...

Discussion in 'XJ Technical Chat' started by joshs700n, May 31, 2014.

  1. joshs700n

    joshs700n Member

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    I filled the tank and left the petcoc on prime all night this morning I had my very own crankcase full of gas xj700n
     
    joshs700n, May 31, 2014
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  2. bendoza

    bendoza Member

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    its like winning a scratch off.
     
    bendoza, May 31, 2014
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  3. midnightmoose

    midnightmoose Member

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    I see some carb work in your immediate future!
     
    midnightmoose, May 31, 2014
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  4. joshs700n

    joshs700n Member

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    Yeah my float seals are hard and old rubber
     
    joshs700n, May 31, 2014
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  5. tabaka45

    tabaka45 Well-Known Member

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    go with the brass float seats and needles. Chacal has them. Work great in my bike and no rubber to go bad.
     
    tabaka45, May 31, 2014
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  6. joshs700n

    joshs700n Member

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    Sounds good this is probly over the 10th time I've had to pull the carbs
     
    joshs700n, May 31, 2014
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  7. bigfitz52

    bigfitz52 Well-Known Member Premium Member

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    Leaving the petcock on PRI is a test. Your float valves failed.

    You know they've passed when you can accidentally leave it on PRI for A WEEK and nothing bad happens. (It's a good feeling, too.)

    Now you get to learn yet another skill.
     
    bigfitz52, May 31, 2014
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  8. joshs700n

    joshs700n Member

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    Yes its a very good feeling
     
    joshs700n, May 31, 2014
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  9. joshs700n

    joshs700n Member

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    I put 20w50 valvoline regular motorcycle oil in it and I haven't heard the starter grinding sound yett but I'm not gonna speak too soon
     
    joshs700n, May 31, 2014
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  10. joshs700n

    joshs700n Member

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    How does the gas get to the crankcase from the carbs (I know my float seals failed) what path does it follow
     
    joshs700n, May 31, 2014
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  11. hogfiddles

    hogfiddles XJ-Wizard, Host-Central NY Carb Clinic Moderator Premium Member

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    Leaky petcock, leaky float needle, bowls fill, overflow into cyl chamber, leaks down past rings, fills crank case.....
     
    hogfiddles, May 31, 2014
    #11
  12. Rice_Burnarr

    Rice_Burnarr Member

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    Right. When the bowls fill too much, fuel percolates up out of the floor of the carb through the small gap between the main jet and the jet needle. And from there it runs into the cylinders.
     
    Rice_Burnarr, May 31, 2014
    #12

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