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    About Motor Swap

    76 gs 750 can I slide a 1000 in the frame? New to this

    Thanks in advance glass room dubai

    #2
    These motors are pigs. Rarely do they just "slide in".
    Paul


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      #3
      Close
      it will need some new motor mounts, on the side I believe
      Pay attention to the side mount bolts, they are different lengths
      1978 GS 1000 (since new)
      1979 GS 1000 (The Fridge, superbike replica project)
      1978 GS 1000 (parts)
      1981 GS 850 (anyone want a project?)
      1981 GPZ 550 (backroad screamer)
      1970 450 Mk IIID (THUMP!)
      2007 DRz 400S
      1999 ATK 490ES
      1994 DR 350SES

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        #4
        Ok, thanks guys for the help
        glass fixing works dubai

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          #5
          The rear lower mounts line up, the rear uppers & mid lowers need new plates & from memory (it was nearly 40 years ago) the fronts need a bit of fiddling. You may also need to take the cam cover off to get the motor in/out but again, my 1000 then 1100 motors went into my '78 750 a long time ago.
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            #6
            I have a 77 GS750 (actually Aug '76) and it has a 78 GS1000 engine installed. NO - it doesn't just slide in LOL... I have all new info and pics if you are seriously thinking about this.

            Lower rear mounts line up perfectly
            Front right mount works. Front left mount needs help - I welded up a 1000 and 750 mount
            All other mounts need help - lower center left mount on mine isn't installed.
            Easier to install without the valve cover and if adjusting the valves - I remove the carbs to make removing the valve cover easier.
            No other "real" issues except for - are you ready for this - the right foot peg hits the case and needs modified. I've got a work around right now but looking into ALL options.

            Yes, this is a real GS710 and it runs very, very well.


            Resized_20240317_132544.jpg
            Current:
            1993 ZX11 - 2nd build in progress
            1977 GS750 (710 is getting closer)
            1998 Kawasaki Voyager - selling
            1998 Chevy C2500
            1999 Rav4

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              #7
              I have a gsx1100 engine in my 77 750 and you have to make some new motor mounts but thats pretty much it. As far as the valve cover as long as I remove the breather cover first I can remove the valve cover with enough clearance. This also goes for engine installation and removal. Maybe I also removed the sump pan.
              I use rearsets on mine so didnt have to deal with engine interference

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