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  1. #1

    ultra 150 oil line runs dry

    I have a 99 Ultra 150. sometimes I will check the oil lines prior to riding and the number 2 oil line will be completely empty. I don't think it happens during riding. I took the plug out today and it was oily.
    It has a new line. What would cause the oil to run out of the line...either back to the pump or in the carb?

    It must be vaccuum somehow since even the low point in the line is empty

    This is driving me crazy


  2. #2
    ok took carbs off and went through the number 2 carb. did not see any glaring problems. reset the pilot screws on all carbs.
    used tight zip ties on both ends of the line aftrt I refilled it.

    any ideas?

  3. #3
    steve45's Avatar
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    Zip ties are NOT secure. Use stainless steel safety wire, .025". Wrap the hose twice and twist the ends, then bend the ends over so you don't have sharp edges hanging out.

    I believe there are check valves in the carbs for the oil inlets.

  4. #4
    Quote Originally Posted by steve45 View Post
    Zip ties are NOT secure. Use stainless steel safety wire, .025". Wrap the hose twice and twist the ends, then bend the ends over so you don't have sharp edges hanging out.

    I believe there are check valves in the carbs for the oil inlets.
    These zip ties ARE secure....there are no check valves in the carburetors.

  5. #5
    My ultra does the same thing with the line that goes to the front balanced. It quickly fills back up on start up though. Maybe its time for a new pump?

  6. #6
    the pump is fairly new. I can't push oil back through the pump with a syringe...it seems to hold some amount of pressure. I would guess with a check valve

  7. #7
    steve45's Avatar
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    Quote Originally Posted by drewski View Post
    These zip ties ARE secure....there are no check valves in the carburetors.
    There are check valves in the crankcase for the balance shaft bearings. There are also check valves in the oil pump for the carb lines, not in the carbs themselves. Sorry 'bout that.

    Check for a split hose.

    Your boat, use zip ties if you want... There's a reason they're not legal for use in airplanes.

  8. #8
    Zip ties are used in airplanes!!!

  9. #9
    steve45's Avatar
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    Quote Originally Posted by turboman412 View Post
    Zip ties are used in airplanes!!!
    Not in the shop I worked at. They get brittle and break with age/heat. We also saw them used to secure hoses & wires to engine mounts, etc. and they would actually wear into the steel engine mount. Koroseal should be used for securing these items, lacing tape was used to secure wiring harnesses.

  10. #10
    We have never seen any issues like that.

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