'83 550es vibration/noise, all rpms

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  • BigD_83
    Forum Sage
    Past Site Supporter
    • May 2011
    • 4872
    • Vancouver
    #1

    '83 550es vibration/noise, all rpms

    I am selling the 550es and both prospective buyer and I noticed a new noise and vibration.

    Backstory. I bought this bike number of years ago as a loaner for my brother. We took it for a small tour and have put less than 1000 miles on it since purchased. It has been sitting for a long time, but when last run there were no signs of this noise and vibration.

    Recent work includes new Cam chain tensioner gasket, oil change, and carb cleaning/synch. All presumably ok.

    The vibration doesnt go away at any particular rpm, and is noticeable through the handlebars. The sound is more obvious down low and forward, near the stator, but could be transferring.

    I know that some of the larger bikes had issues with a clutch basket/hub rattle, but I haven't heard about this with the 550es. It

    It does sound similar, based on videos I have watched.

    What other things should I be thinking about as I delve into this?
    '83 GS650G
    '83 GS550es (didn't like the colours in the 80's, but they've grown on me)
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    • Big T
      Forum LongTimer
      Past Site Supporter
      Super Site Supporter
      • Mar 2005
      • 12392
      • West Slope, OR
      #2
      Starter clutch could be an issue
      Pull the stator cover and see if it's loose
      1978 GS 1000 (since new)
      1979 GS 1000 (The Fridge, superbike replica project)
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      1981 GS 850 (anyone want a project?)
      1981 GPZ 550 (backroad screamer)
      1970 450 Mk IIID (THUMP!)
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      1994 DR 350SES

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        • BigD_83
          Forum Sage
          Past Site Supporter
          • May 2011
          • 4872
          • Vancouver
          #3
          Originally posted by Big T
          Starter clutch could be an issue
          Pull the stator cover and see if it's loose
          That's the way I was leaning. Thanks for the suggestion, T.

          Prospective buyer was thinking potentially rod knock, but it just doesn't seem like it to me
          '83 GS650G
          '83 GS550es (didn't like the colours in the 80's, but they've grown on me)

            Comment

            • salty_monk
              Forum LongTimer
              GSResource Superstar
              Past Site Supporter
              Super Site Supporter
              • Oct 2006
              • 14002
              • London, UK to Redondo Beach, California
              #4
              Also check that the clutch hub nut is not loose. That allows the whole basket to rattle, it won't come off totally due to the bent washer but will allow it to loosen off slightly or through thread stretch. It's pretty common. The Ape Nut or an 1150 Nut is harder material & some loctite wouldn't hurt either.

              I would also have a look at the speedo drive & front wheel bearing if it's been sitting a while and only does it when moving.....
              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!

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                Comment

                • BigD_83
                  Forum Sage
                  Past Site Supporter
                  • May 2011
                  • 4872
                  • Vancouver
                  #5
                  Originally posted by salty_monk

                  I would also have a look at the speedo drive & front wheel bearing if it's been sitting a while and only does it when moving.....
                  The vibration and noise is there on the centre stand, moreso after it has been ridden for awhile, but still a good suggestion to check as they could be contributing to the felt vibration at speed.
                  '83 GS650G
                  '83 GS550es (didn't like the colours in the 80's, but they've grown on me)

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