Pesty oil leak

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  • tylerhurley94
    • Jan 2026

    #1

    Pesty oil leak

    I have been working on getting all the bugs out of my GS850 (which sat for who knows how many years prior) for that past couple months, and now just have one pesty little oil leak that won't go away. The leak appears to be coming from the tach gear housing, where the tach cable mounts to the engine. The PO said I need to replace the seal- which I did- to fix it, but it still appears to be leaking. Do I just need to by a new tach gear housing (found one on ebay for $25) or could this be some other easy, or not so easy, fix?

    thanks!
  • tom203
    Forum Guru
    Past Site Supporter
    • Aug 2010
    • 8925
    • Norway,Maine

    #2
    On this parts fiche link, what seal did you replace on tach drive?

    1981 gs650L

    "We are all born ignorant, but you have to work hard to stay stupid" Ben Franklin

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    • tylerhurley94

      #3
      I replaced the item 22, the oil seal. The PO said that would be the fix, but (and not surprisingly) it wasn't.
      Last edited by Guest; 06-27-2013, 11:56 AM.

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      • terrylee

        #4
        Yeah should replace both 21 and 22. terrylee

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        • Guest

          #5
          I had the same leak, replaced 21 & 22, no more leak.

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          • tylerhurley94

            #6
            Thanks guys, I'll order them tomorrow!

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            • BassCliff

              #7
              Hi,

              For your reference, Mr. bwringer has a nice write up on the procedure.

              Replace Tach Cable Seals


              Thank you for your indulgence,

              BassCliff

              Comment

              • tylerhurley94

                #8
                Originally posted by BassCliff
                Hi,

                For your reference, Mr. bwringer has a nice write up on the procedure.

                Replace Tach Cable Seals


                Thank you for your indulgence,

                BassCliff
                That's actually very helpful, as my "%$#@! tach cable" likes to unscrew itself as well! I'll have to try his fix!

                Thanks!

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