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Quick question about fueling without a petcock (temporary)

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    Quick question about fueling without a petcock (temporary)

    It should be fine if i hook up a small reservoir of fuel with a hose to fill the carbs right? I'm assuming the bike would run for a short while if I fill the bowls doing this, and removing the reservoir?

    Petcock is ordered, and I have to clean the fuel tank yet.

    Thanks!

    #2
    That's something you do when balancing the carbs, should work OK.
    1980 Yamaha XS1100G (Current bike)
    1982 GS450txz (former bike)
    LONG list of previous bikes not listed here.

    I identify as a man but according to the label on a box of Stauffers Baked Lasagne I'm actually a family of four

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      #3
      Welcome.

      Create a signature with your Bike's year and model. Post some pics of your bike.

      Tip on using the site's search function. Always go to Advanced. Always type a few key words in the search box. Always change to Search Titles Only.

      On your question: Yes, plug the vacuum hose with a screw or other implement. This would be like running your petcock on Prime. What reservoir are you removing?
      Rich
      1982 GS 750TZ
      2015 Triumph Tiger 1200

      BikeCliff's / Charging System Sorted / Posting Pics
      Destroy-Rebuild 750T/ Destroy-Rebuild part deux

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        #4
        Thanks for the welcome, and the help guys! Updated my signature, and by reservoir i mean the temporary fuel "tank" (probably a bottle or something to hold the fuel) while i fill the bowls.

        Kind of hard to find information about the bike I have, but I think the signature is ok?

        Comment


          #5
          I think the service manual is here http://zeus.mtsac.edu/~cliff/storage...50_16valve.pdf

          wiring diagram here. http://zeus.mtsac.edu/~cliff/storage...atic_color.pdf
          The big guy up there rides a Suzuki (this I know)
          1981 gs850gx

          1999 RF900
          past bikes. RF900
          TL1000s
          Hayabusa
          gsx 750f x2
          197cc Francis Barnett
          various British nails

          Comment


            #6
            No problem running the bike with an auxiliary tank.
            Attached Files
            Last edited by fbody_mike; 11-15-2019, 05:17 PM.
            1981 Suzuki GS250T
            1982 Yamaha Seca Turbo
            1985 Suzuki GS550E
            2004 Suzuki GSF1200S

            Comment


              #7
              Just note that if you have the tank as high as in the picture you are increasing fuel pressure (which may or may not make a difference....)

              I generally just run a plastic extender into the fuel hose & a longer hose from the stock tank & sit it on the bench.... Nessism has a neat one made from some sewer pipe that sits propped against the handlebars...
              1980 GS1000G - Sold
              1978 GS1000E - Finished!
              1980 GS550E - Fixed & given to a friend
              1983 GS750ES Special - Sold
              2009 KLR 650 - Sold - gone to TX!
              1982 GS1100G - Rebuilt and finished. - Sold
              2009 TE610 - Dual Sporting around dreaming of Dakar..... - FOR SALE!

              www.parasiticsanalytics.com

              TWINPOT BRAKE UPGRADE LINKY: http://www.thegsresources.com/_forum...e-on-78-Skunk/

              Comment


                #8
                I take the view that if the miserable few feet head of the workshop petrol tank overwhelms the needle valves, there's something wrong with them.
                ---- Dave

                Only a dog knows why a motorcyclist sticks his head out of a car window

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                  #9
                  Don't worry any additional pressure from the extra height in canceled out by the restrictive paper filter I have on the end of the line.

                  I need to the get a hospital style IV stand to hold my aux tank and manometer.
                  1981 Suzuki GS250T
                  1982 Yamaha Seca Turbo
                  1985 Suzuki GS550E
                  2004 Suzuki GSF1200S

                  Comment


                    #10
                    Awesome, thanks guys! I'll try to make something work and see how it goes. Just wanted to see if the carbs would get flooded (new to CV carbs).

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