GSX engine in a GS frame?

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  • Spiff
    Forum Mentor
    • Dec 2013
    • 318
    • Norway
    #1

    GSX engine in a GS frame?

    Simple straight forward swap or is it more to it?

    I'm guessing new engine mounts need to be fabbed?

    I might have a deal going on a cheap 84 or 85' gsx1100.... Want the GS1000 or 1100 engine but they're not easy to come by here and especially not one with a chain drive so looking in to this as an alternative....
    Last edited by Spiff; 07-21-2014, 04:53 AM.
    Tags: None
    • hillsy
      Forum Sage
      • May 2008
      • 1469
      • Brisbane, Queensland, Australia
      #2
      If you mean the 1135 motor into the 1074 chassis then it's a straight swap - same engine mounts.

      You need different bottom motor mounts if you are putting an 1135 or 1074 motor in a 750 chassis.
      Current:
      Z1300A5 Locomotive (swapped my Intruder for it), GS450 Cafe Project (might never finish it....), XT500 Commuter (I know - it's a Yamaha :eek:)

      Past:
      VL1500 Intruder (swapped for Z1300), ZX9R Streetfighter (lets face it - too fast....), 1984 GSX750EF, 1984 GSX1100EF (AKA GS1150)
      And a bunch of other crap Yamahas....

        Comment

        • Spiff
          Forum Mentor
          • Dec 2013
          • 318
          • Norway
          #3
          Originally posted by hillsy
          If you mean the 1135 motor into the 1074 chassis then it's a straight swap - same engine mounts.

          You need different bottom motor mounts if you are putting an 1135 or 1074 motor in a 750 chassis.
          Yeah its a 78 GS750E, sorry 'bout that.

          Donor would be a 1985 GSX1100

            Comment

            • Guest
              #4
              It might be easier to put an old air/oil cooled 87 to 90 GSXR1100 motor in it they are a lot smaller and lighter Bandit 1200 motors can be bought for around $1000 to $400 depending on condition

                Comment

                • GregT
                  Forum Sage
                  • Jul 2009
                  • 3541
                  • New Zealand
                  #5
                  Originally posted by Spiff
                  Yeah its a 78 GS750E, sorry 'bout that.

                  Donor would be a 1985 GSX1100
                  It's do-able. Quick and dirty way is just to not run the under crankcase mounts. If you've got the time it's quite easy to fab up new ones though.

                    Comment

                    • Spiff
                      Forum Mentor
                      • Dec 2013
                      • 318
                      • Norway
                      #6
                      Actually I'm not running the under crankcase mounts now as I couldn't find the correct bolts

                      But the front and rear mounts line up?

                      What's heaviest of the 8v or the 16v?

                      The 8v 1000 is a straight bolt-in affair?

                        Comment

                        • ozman
                          #7
                          Originally posted by Spiff
                          Actually I'm not running the under crankcase mounts now as I couldn't find the correct bolts

                          But the front and rear mounts line up?

                          What's heaviest of the 8v or the 16v?

                          The 8v 1000 is a straight bolt-in affair?
                          8 valve motor is lighter than the 16 valve

                            Comment

                            • Guest
                              #8
                              It can be done ......



                              Cheers , Simon .

                                Comment

                                • rwnielsen
                                  #9
                                  Originally posted by ozman
                                  8 valve motor is lighter than the 16 valve
                                  "lighter" being a relative term

                                    Comment

                                    • Guest
                                      #10
                                      Originally posted by simon kuether
                                      It can be done ......



                                      Cheers , Simon .
                                      Wow I like that.
                                      Any more pictures?

                                        Comment

                                        • ozman
                                          #11
                                          Originally posted by simon kuether
                                          It can be done ......



                                          Cheers , Simon .

                                          yup i like that simon nice tidy package, what triple clamps are they ?

                                          ozman

                                            Comment

                                            • Spiff
                                              Forum Mentor
                                              • Dec 2013
                                              • 318
                                              • Norway
                                              #12
                                              Is that a gsx 1400 engine?

                                                Comment

                                                • Guest
                                                  #13
                                                  Originally posted by ozman
                                                  yup i like that simon nice tidy package, what triple clamps are they ?

                                                  ozman
                                                  Don't know old mate .
                                                  t's not my bike .
                                                  It just gives me the horn and I like putting up a pic of it now and then .

                                                  Cheers , Simon .

                                                    Comment

                                                    • Guest
                                                      #14
                                                      Originally posted by Spiff
                                                      Is that a gsx 1400 engine?
                                                      Yes .

                                                      Cheers , Simon .

                                                        Comment

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