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78 Skunk1000 Power Loss @5500

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    78 Skunk1000 Power Loss @5500

    Hey Guys!

    Does having K&N Air pods and a 4-1 exhaust need any carb tuning?


    Thanks for any help. IMG_7171.jpg
    Last edited by Guest; 10-18-2015, 10:49 AM.

    #2
    Yes.............
    Rob
    1983 1100ES, 98' ST1100, 02' DR-Z400E and a few other 'bits and pieces'
    Are you on the GSR Google Earth Map yet? http://www.thegsresources.com/_forum...d.php?t=170533

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      #3
      Are we talking shimmy in the needle type tuning or different jet sizes?

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        #4
        Bigger main jet, maybe raise the needle a notch. Nothing major.
        With the VM carbs it's very easy to get the jetting right.
        http://img.photobucket.com/albums/v5...tatesMap-1.jpg

        Life is too short to ride an L.

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          #5
          Originally posted by tkent02 View Post
          Bigger main jet, maybe raise the needle a notch. Nothing major.
          With the VM carbs it's very easy to get the jetting right.
          Any suggestions on the size or jet kit that I can play with?
          Raise the needle by moving the shim towards the tip or away?

          Sorry, im still learning the logistics of this. trying to embrace it so I can adjust when needed

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            #6
            Probably about a 120 main jet, but that's just a wild assed guess. I live at 6,000' elevation so I don't know what you will need.
            As far as the needle, if you do need it, just move the clip up or down a notch to move the needle up or down. Whether or not you need it you will have to ride it to find out.

            There is a lot of information about tuning VM carburetors available online.
            http://img.photobucket.com/albums/v5...tatesMap-1.jpg

            Life is too short to ride an L.

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