GS1100 Cam Chain Tensioner Oil Leak

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  • Street Fighter
    • Feb 2026

    #1

    GS1100 Cam Chain Tensioner Oil Leak

    Has any one had a A.P.E. cam chain adjuster o ring leak.
    and how did you change the o ring .
    Last edited by Guest; 07-05-2013, 09:35 AM.
  • Agemax
    Forum Guru
    • Apr 2008
    • 8371
    • plymouth uk

    #2
    i have not got an APE tensioner but i guess you should take the pressure off the tensioner, remove it, replace o ring with one the same size and refit. smear some grease round the new o ring before fitting. then reset the tensioner.
    do not turn the engine over with the tensioner removed.
    1978 GS1085.

    Just remember, an opinion without 3.14 is just an onion!

    Comment

    • Street Fighter

      #3
      the o ring is inside the tensioner I cant remove the set screw because it has the end on it that goes up against the chain and it don't come off.

      Comment

      • Agemax
        Forum Guru
        • Apr 2008
        • 8371
        • plymouth uk

        #4
        it must come apart somehow. someone else who knows more about them should be along soon to help you out
        1978 GS1085.

        Just remember, an opinion without 3.14 is just an onion!

        Comment

        • Guest

          #5
          There is an o-ring under the lock nut. It can be change without removing the tensioner.

          Comment

          • Street Fighter

            #6
            Chef how does it come off do you pull the pin out or just stretch the o ring over it.
            APE says send it back

            Comment

            • Guest

              #7
              Originally posted by Street Fighter
              Chef how does it come off do you pull the pin out or just stretch the o ring over it.
              APE says send it back
              There is an allen bolt holding the outside nut on or just slip it off the nut. I would just rub a little high heat silicon on the o-ring and re-install. I always put a little on when I put it back on.

              Comment

              • Street Fighter

                #8
                strange
                mine has a pin where yours must have a allen bolt .
                could you take a picture of yours maybe I could convert mine to a allen bolt style.

                Comment

                • Guest

                  #9
                  Originally posted by Street Fighter
                  Chef how does it come off do you pull the pin out or just stretch the o ring over it.
                  APE says send it back
                  We will just send you another one.

                  Comment

                  • Street Fighter

                    #10
                    another tensioner? or oring

                    Comment

                    • Guest

                      #11
                      Tensioner. E-mail me your name and address jay@aperaceparts.com

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