Motor Swap?

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  • Twowheeledlife

    #1

    Motor Swap?

    I have a 1977 gs550 and I have come across a motor and transmission from a 1978 gs1000. My question is would the motor fit my frame and if so will the motor mounts match up? Thanks in advance!

    Patrick
  • Jedz123
    Forum Guru
    Past Site Supporter
    • Jul 2009
    • 5685
    • Centeral, Vermont

    #2
    Search it.. 750's will take the 1000 motor as long as it chain to chain. 16V 750 take the 16V 1100 and 1150 motor. It's called a 7/11 swap.

    The 550's frame is too small to take anything but the 550. You can put the cylinder's jugs and cylinder head of a 650 on your 550 block if your looking for displacement bump for your 550.

    I'm guessing if you threw enough money at the project your could squeze on a 1000 but I'm about 90% sure the 1000 won't fit or work in a direct swap. Someone chime in please.

    If the 1000 engine your looking at is a Shafty it won't work with anything that is chain drive.

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    • Twowheeledlife

      #3
      It's chain driven as well but I did a little more looking into it and from what i understand it wont fit in there

      Comment

      • Gregory
        Forum Sage
        Past Site Supporter
        • Sep 2012
        • 2064
        • Southlake - DFW - North Texas

        #4
        I hope it is ok to add to this thread (not trying to steal the thread) but since it applies to the title... how about putting a 16V 1100 onto a GS1000?

        Is there a direct swap or not spreadsheet?
        82 gs1100e FAUX Skunk
        80 gs1000s

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        • Jedz123
          Forum Guru
          Past Site Supporter
          • Jul 2009
          • 5685
          • Centeral, Vermont

          #5
          Should be a straight swap. I know the 1000 motor is a candidate for a 7/11 swap although It's only a 1000. Might need mounts. Search it up for more info. Is it really worth it though? I guess if your 1000 engine is crapping out it might be worth it.

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          • Gregory
            Forum Sage
            Past Site Supporter
            • Sep 2012
            • 2064
            • Southlake - DFW - North Texas

            #6
            Probably not worth it, but my buddies 82 1100 seems pretty fast and tourqy

            I am not going to do it to this 78 skunk, I am making it all original.... but i may find a project someday....and I like the way the gs1000 sits better than the 1100.... but like to go fast too.
            82 gs1100e FAUX Skunk
            80 gs1000s

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