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GS1150 motor in a 750?

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    GS1150 motor in a 750?

    I have searched the topic and came up with nothing, this is more of just curiosity killed teh cat kinda thing but. Has anyone ever put the 120hp GS1150 motor into an older GS750 frame, say a 79? or any year for that matter.

    #2
    Originally posted by chrisbertaut View Post
    I have searched the topic and came up with nothing, this is more of just curiosity killed teh cat kinda thing but. Has anyone ever put the 120hp GS1150 motor into an older GS750 frame, say a 79? or any year for that matter.
    Prolly not gonna happen in a 79 750 without A LOT of motor mount work. Completely different motor design (obviously, but the blocks arent even SIMILAR whereas an 80-82 750, its probably near bolt in...)

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      #3
      Originally posted by TheCafeKid View Post
      Prolly not gonna happen in a 79 750 without A LOT of motor mount work. Completely different motor design (obviously, but the blocks arent even SIMILAR whereas an 80-82 750, its probably near bolt in...)
      Yea there is a motor kit for putting an 1100 into a 750, so the 1150 would also slip in.

      I think some just remove one of the mounting bolts



      GS750 Lower Engine Brackets to convert 750 to an 1100 or 1150 - SOLD AS A SET ONLYLower engine brackets fit 1980-82 GS750 to install a 1980-1986 GS1100/GS1150 engine.
      GVW-711
      7/11 Brackets Powder Coated Textured Black
      $35 USD including worldwide postage

      7/11 Brackets Unfinished
      $32 USD including worldwide postage
      Last edited by posplayr; 05-11-2010, 11:20 PM.

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        #4
        1150 engine=101HP@ the rear wheel.

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          #5
          Jim, the 79 mounts are different. You posted about installing in a 16 valve chassis. Ray.

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            #6
            Originally posted by blowerbike View Post
            1150 engine=101HP@ the rear wheel.
            1395 engine=180HP@ the rear wheel!!! Ray.

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              #7
              Originally posted by rapidray View Post
              1395 engine=180HP@ the rear wheel!!! Ray.

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                #8
                Originally posted by blowerbike View Post
                1150 engine=101HP@ the rear wheel.
                Still pretty good....stock '82/'83 1100E makes 91 to 94 at the wheel. No idea what his 750 puts out.
                '82 GS1100E



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                  #9
                  my point is that crankshaft HP ratings are very misleading.
                  more of a selling point by the manufacturer when the bikes was new.
                  1150 engines can make 130 HP at the rear wheel with out removing the head if you know what parts to use and have the knowledge to install and optimize these parts 100%.
                  1150 engines are my choice............
                  Last edited by blowerbike; 05-12-2010, 12:20 PM. Reason: err ahhh spe ll ing

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                    #10
                    Originally posted by rapidray View Post
                    Jim, the 79 mounts are different. You posted about installing in a 16 valve chassis. Ray.
                    Yea Ray, I was echoing what Josh said about the later models; I dont know much about 8V except there are only 1/2 as ,any valves as my 16V

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                      #11
                      Never heard of a 1395cc, is that bored/stroked?

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