engine swap gs1000 gs1150 Possible?

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  • limeex2

    #1

    engine swap gs1000 gs1150 Possible?

    I have a 79 gs1000 and have put a gs1100 motor in it.fits.Has anyone tried to put a 1150 motor into a gs1000?.I have access to a 1150 motor.How many motor parts are interchaneable between a 1100 and 1150?
  • duaneage
    Forum Guru
    GSResource Superstar
    • Apr 2004
    • 6149
    • Wilmington Delaware

    #2
    If you are talking about replacing an 8 valve motor for a 16 valve version it may be tougher than you think, and if we are looking at shaft versus chain drive it may be neigh impossible.

    Give us a little more detail about what you have
    1981 GS650G , all the bike you need
    1980 GS1000G Power corrupts, and absolute power corrupts absolutely

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    • rapidray
      Forum Guru
      GSResource Superstar
      • Oct 2006
      • 8195
      • So Cal

      #3
      The 16 valve 1100 & 1150 are the same motor mounts. Ray.

      Comment

      • duaneage
        Forum Guru
        GSResource Superstar
        • Apr 2004
        • 6149
        • Wilmington Delaware

        #4
        It should be possible to put 1150 cylinders on a 1100 lower end. If I was going that route I would go for a big bore kit and make a real difference. 50 CC is not a large change by itself.
        1981 GS650G , all the bike you need
        1980 GS1000G Power corrupts, and absolute power corrupts absolutely

        Comment

        • rapidray
          Forum Guru
          GSResource Superstar
          • Oct 2006
          • 8195
          • So Cal

          #5
          The CYLINDER head is the biggest advantage with the 1150 over the 1100 as the 1150 head has bigger valves & more airflow. Ray.

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