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Sticky Float bowl cure - My way

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  • Sticky Float bowl cure - My way

    Most of you know that I have had a bad 2nd Carburetor since I got the new set of carbs, and most of you know that I could not get it sorted until now. Here is what I did.

    Firstly connected my Petcocks the correct way. The vacuums was added (As it should be) and the fuel pipes connected but ran them to the section between the battery box and the Airfilter.

    I purchased Toyota Corolla Fuel filters. The (DG30 and DG27 - part number) If you are not sure, they are round like a normal fuel filter but the fuel lines are both at the top coming out in a "V" shape. Difference between the 30 and 27 is that the one works for left and the other works for right. I got hold of some old rubber and made me some straps, strapped the filters under the rear tank brace with the pipes at the top.

    Now I ran the left petcock, to the left filter, and then crossed it over to Carbs 3 and 4, and right filter crossed over to carbs 1 and 2.

    The way it works: When the float bowl seals, everything just stays the way they are, no problem. If it stick, it runs out the fuel only in the pipe between the filter and the carb. So worst case scenario, you loose about 30ml fuel when the float sticks. This is simply because both your fuel pipes comes out the top of the filter, and the only way it can drain more is if it gets pressure from the vacuum system connected to the petcocks.

    Good prevention to a possible sticky float.
    '79 XS1100 (2H9) named Bones
    1196 Big Bore
    4-1 Cowley exhaust
    750FD Conversion
    Echlin 54mm Racing Cones (Americanese = pods)
    Black Ebony Bottled glazed Tank (To be redone now)
    BMX footpegs
    Tank internally lined (Professionally this time)
    GSX400 Throttle bodies (Under serious investigation)
    Anti Sticky float bowl system

  • #2
    "and the only way it can drain more is if it gets pressure from the vacuum system connected to the petcocks."
    Hello Athedra, Glad to see ya got Bones up & runnin' Again. Isn't this the fact for the stock Standard system also?
    1980 XS1100G "Dolly G" Full Dresser (with a coat of many colors )
    1979 XS1100SF (stock-euro mods planned)
    1984 XV700L Virago (to be hot-modded)
    1983 XJ750MK Midnight Maxim (semi-restored DD)
    1977 XS650D ( patiently awaiting resto)

    Sometimes it takes a whole tank of gas before you can think straight.

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    • #3
      fuel

      vacuum opens, or lack of closes the petcock only. Applies no "pressure".
      Fuel level in tank being above the filters ... gravity does the rest.


      mro

      Comment


      • #4
        Correct...

        Originally posted by mro View Post
        vacuum opens, or lack of closes the petcock only. Applies no "pressure".
        Fuel level in tank being above the filters ... gravity does the rest.


        mro
        I guess I should've been a little more explanitive On a '80G ,if the float or floats leak the fuel in the tank stays in the tank until the vacuum petcocks are activated by engine vacuum thus only fuel from the carb side of the petcock will be lost. Now using inline filters is a must IMHO but how cost effective are the Toyota filters as opposed to standard universal inlines?
        1980 XS1100G "Dolly G" Full Dresser (with a coat of many colors )
        1979 XS1100SF (stock-euro mods planned)
        1984 XV700L Virago (to be hot-modded)
        1983 XJ750MK Midnight Maxim (semi-restored DD)
        1977 XS650D ( patiently awaiting resto)

        Sometimes it takes a whole tank of gas before you can think straight.

        Comment


        • #5
          On my standards I used cheep filters and found the ones with paper element to work best. Of course I did not use filters until after I had solved the problem of needing em first. (does that make sense )

          mro

          Comment


          • #6
            Absolutely. A couple years ago, actually 7/12/06 I printed the inline fuel filter mod, punched three holes in it and stuck it in a three ring binder along with about twenty more peices of XScessive info I deemed necessary. So if I ever lose my computer or anything, God forbid, happened to this amazing site (watch for lightning I'd still be able to git 'er dun. Sooner or later I'll be at that step in the resto and I won't have to search for it along with all the other great tips & tricks I've learned over the last 4yrs.
            1980 XS1100G "Dolly G" Full Dresser (with a coat of many colors )
            1979 XS1100SF (stock-euro mods planned)
            1984 XV700L Virago (to be hot-modded)
            1983 XJ750MK Midnight Maxim (semi-restored DD)
            1977 XS650D ( patiently awaiting resto)

            Sometimes it takes a whole tank of gas before you can think straight.

            Comment

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