fuel economy

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  • elmos80sg
    New
    • Aug 2005
    • 9
    • Ankeny Iowa

    #1

    fuel economy

    I have an 80 xs sg. My fuel economy is terrible. I get less than 20mpg no matter how i ride. I was wondering if anyone could give me any ideas on what to check. Thanks
    LIVE FAST
  • GNEPIG
    XS-XJ Guru
    • Apr 2005
    • 1647
    • fl

    #2
    .. man, and i thought mine was bad at 27 mpg.. i'm thinking about using the 650 for my primary ride but the 11 is running really good, it'll be a hard switch
    .. you might have a problem

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    • thumperjsa
      XSive Maximus
      • Apr 2004
      • 546
      • Coconut Creek, Florida

      #3
      Pull your plugs. They are probably very dark indicating you are running too rich. If that is the case, you may need to adjust your floats to make sure they are set right.
      Owned by a pair of XS11's. An 80 Standard and a 79 Special.

      Comment

      • fxrer
        XStremely XSive
        • Aug 2004
        • 241
        • Bethlehem, PA 18017

        #4
        Yes, my SG gets 36-38 mpg, has done so since new (now 32K mi). So I would say yours has a definite problem someplace.

        Float levels are the place to start. Was there any carb or engine work done?

        But also check non carb items like leaks in fuel lines, petcocks, octopus, and even the tank itself.
        Rick
        '80 SG
        '88 FXR
        '66 Spitfire MK II

        Comment

        • elmos80sg
          New
          • Aug 2005
          • 9
          • Ankeny Iowa

          #5
          Thanks all, I took some of your advice and now I am getting 30 or a little better.
          LIVE FAST

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          • prometheus578
            XS-XJ Super Guru (RESIGNED)
            • Aug 2004
            • 4012
            • Olympia , Wa.

            #6
            Calipers can hang... making the brakes drag.
            "Damn it Jim, I'm a doctor, not a mechanic!' ('Bones' McCoy)

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