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Help!! Petcock question

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    Help!! Petcock question

    I have a 83 gs850g and i am switching the tank out and my stock tank has a vaccum line for the petcock and my new tank only has a fuel line..no vaccum line..is it possible to bypass the vaccum line? ? Will it cause any issues?? Idk how to go about it..lol.. I am new to the group so if this is posted in the wrong area i appologize... any help or insight is appreciated. .tanks in advance. ..

    #2
    The vacuum line just goes to one of the intake rubbers - you can block it off with a golf tee or a 6mm bolt.
    Current:
    Z1300A5 Locomotive (swapped my Intruder for it), GS450 Cafe Project (might never finish it....), XT500 Commuter (I know - it's a Yamaha )

    Past:
    VL1500 Intruder (swapped for Z1300), ZX9R Streetfighter (lets face it - too fast....), 1984 GSX750EF, 1984 GSX1100EF (AKA GS1150)
    And a bunch of other crap Yamahas....

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      #3
      Thank you for the quick reply i appreciate it. ..blocking it off wont give me any idle or fuel feed problems?

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        #4
        On the contrary, NOT blocking off WILL give you lots of problems.

        The line you need to block is the one coming from the engine side of carb #2.

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          #5
          Thank you..i appreciate the help

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            #6
            Originally posted by phydeauxmutt View Post
            On the contrary, NOT blocking off WILL give you lots of problems.

            The line you need to block is the one coming from the engine side of carb #2.
            Just get a vacuum cap and place it over the vacuum nipple.
            sigpicMrBill Been a GSR member on and off since April 2002
            1980 GS 750E Bought new in Feb of 1980
            2015 CAN AM RTS


            Stuff I've done to my bike 1100E front end with new Sonic springs, 1100E swing arm conversion with new Progressive shocks installed, 530 sprockets/chain conversion, new SS brake lines, new brake pads. New SS fasteners through out. Rebuilt carbs, new EBC clutch springs and horn installed. New paint. Motor runs strong.

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