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  • vibration

    my sg has a nasty vibration at beg
    gining 75 mph. can feel it in foot peggs and seat of your pants. seems to be speed specific. all happened after fixing exhaust.double checked all my work alls is tight
    when you want something bad enough, don't let anything stand in your way, and don't take "no" for an answer. EVER

    graybird78
    80 sg (old faithfull)

  • #2
    Check that there isn't an exhaust pipe touching the frame somewhere.
    Greg

    Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid.”

    ― Albert Einstein

    80 SG Ol' Okie;79 engine & carbs w/pods, 45 pilots, 140 mains, Custom Mac 4 into 2 exhaust, ACCT,XS850 final drive,110/90/19 front tire,TKat fork brace, XS750 140 MPH speedometer, Vetter IV fairing, aftermarket hard bags and trunk, LG high back seat, XJ rear shocks.

    The list changes.

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    • #3
      did.has good clearance.just driving me crazy dont have nother exhaust to try.thinking maybe exhaust is broken internally
      when you want something bad enough, don't let anything stand in your way, and don't take "no" for an answer. EVER

      graybird78
      80 sg (old faithfull)

      Comment


      • #4
        Check the rear hanger mount, some aftermarket systems don't play well with that rubber bushing, solid mounting it there may be better, JAT
        2H7 (79) owned since '89
        3H3 owned since '06

        "If it ain't broke, modify it"

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        • #5
          Originally posted by graybird78 View Post
          did.has good clearance.just driving me crazy dont have nother exhaust to try.thinking maybe exhaust is broken internally
          Have you just timed it lately? Marks book says that vibration can occur from the pipes if the advancer is slightly off.

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          • #6
            The timing won't move unless it's been messed with.

            The problem began when the exhaust after the exhaust was worked on..................
            Greg

            Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid.”

            ― Albert Einstein

            80 SG Ol' Okie;79 engine & carbs w/pods, 45 pilots, 140 mains, Custom Mac 4 into 2 exhaust, ACCT,XS850 final drive,110/90/19 front tire,TKat fork brace, XS750 140 MPH speedometer, Vetter IV fairing, aftermarket hard bags and trunk, LG high back seat, XJ rear shocks.

            The list changes.

            Comment


            • #7
              fixed

              we have joy again in xs land. the vibration was from the exhaust.must be broken internaly. buckmaster from here had a jardine 4-2 that he let me try out and problem solved. bought it for150.00. not use to the rumble it has either. bike runs different with the jardine.cant quite put my finger on it.it does not have the cross over pipe.
              when you want something bad enough, don't let anything stand in your way, and don't take "no" for an answer. EVER

              graybird78
              80 sg (old faithfull)

              Comment


              • #8
                thanks for the help guys.
                when you want something bad enough, don't let anything stand in your way, and don't take "no" for an answer. EVER

                graybird78
                80 sg (old faithfull)

                Comment


                • #9
                  New pipe for Graybird78

                  Glad to help out Graybird78 you have my number I liked that set of
                  pipes but I had Kerkers on my previous two xs1100 specials
                  so I had to change this one to one too.
                  79 SF

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                  • #10
                    Ba80

                    you were right I checked when I took the pipes over to
                    graybird78 the little ear on the right side swing arm was digging
                    in the bell of the pipe right angle grinder fixed that.
                    79 SF

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