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  1. J

    How does the Kubota BX fuel tank vent?

    Update; Over the late fall and winter, I have continued to experience the same engine shut down. The symptoms are the same; tractor chokes off and won't start, I can't hear the fuel pump pumping fuel, and when I release the vacuum on the inbound fuel pump line the tractor starts and runs...
  2. J

    How does the Kubota BX fuel tank vent?

    I am very sure that the fuel tank outlet is not clogged with debris. When I wiggle that fuel pump line off, fuel will just gush out of it.
  3. J

    How does the Kubota BX fuel tank vent?

    Thank you for going to the trouble of posting this diagram. That is very helpful and kind of you. I am familiar with the return line that you are refering to and I did pull it off and and ran compressed air through it. It inflated the fuel tank with air and the excess pressure immediately...
  4. J

    How does the Kubota BX fuel tank vent?

    I checked my book closely and I did not see any mention of cleaning or inspecting the fuel cap. To me that would not seem to be a regular maintenance item.
  5. J

    How does the Kubota BX fuel tank vent?

    Thanks for your help. It is very kind to have so many people offer up suggestions to me on this issue. I will continue to pay attention to what condition the cap vents are in and keep working at it. I don't know if that is the issue though. I really like my tractor. This issue is baffling...
  6. J

    How does the Kubota BX fuel tank vent?

    Right, I meant the the state of matter (gas / vapor). When I would remove the fuel cap there was a noticable amount of gas vapor that would escape the tank. Like carbonated beverage when you twist off the cap. Anyway, I don't know if that is normal or not, it is just something that I...
  7. J

    How does the Kubota BX fuel tank vent?

    Update; My BX2380 ran for several hours with no problem (mowing the lawn). We'll see if this continues to be the case. These are the steps that I have taken: I have removed the primary fuel filter and connected the fuel lines with a barbed fitting. I blew compressed air through the return...
  8. J

    How does the Kubota BX fuel tank vent?

    My BX is only 3 years old and I only use it to mow my lawn. In the past I do recall having a noticable amount of gas escape the fuel cap when I unscrewed it for refuling. My thought is that as the pump removes fuel from the tank, then the one-way intake valve would allow air to come in to...
  9. J

    How does the Kubota BX fuel tank vent?

    I am getting a vacuum in the tank line to the fuel pump. This causes the fuel flow to stop until I pull the line and release the vacuum, then the tractor runs until the vacuum develops again. I am wondering if there is a blocked vent. I used an air compressor to blow air through the fuel...