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92 GSXR 1127 engine into 750F Kat, questions

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  • 92 GSXR 1127 engine into 750F Kat, questions

    OK, I have a 92 GSXR 1127 block, and my 90 750F in the garage, so I'll need some guidance here.
    Most of my questions have been answered.

    Here's today's question:

    How do I do the shift lever conversion?
    Looks like I need the 1127 sprocket cover, but it ain't got a mount for the 750 shift lever?

  • #2
    OK, quick repsonse to that question_

    I had time for an easy job, checked the valve clearances.
    Need to change 3 shims on #2.
    Is there an easy way to push the springs down, and change out the shims?

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    • #3
      High lobe and slide the rocker arm over, small magnet will lift it right out. real easy.
      Last edited by 92xjunker; 07-20-2015, 09:35 PM.
      "I'm sorry, I didn't mean to upset you when I called you stupid. I thought you already knew..."
      spammer police
      USAF veteran
      If your a veteran, join the KR veterans group

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      • #4
        Sounds real easy, thanks.

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        • #5
          whatever

          Bummer, for the 1st time I tried taking a shim out.
          Doh! Fumbled the tiny pill sized shim and it rolled down the oil return hole.
          Looks like that's a quick return to the oil pan.
          Now I gotta roll the 200lb lump over and take the pan off, just to fix a mistake.

          Kids, be sure to stuff a wad into those return holes before you pull a shim out.

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          • #6
            Moving on

            OK, washed it out with waste oil from my car.
            Dropped the oil pan, a tray with screen over it, below the oil galley. Pored waste oil down the drain holes and cam chain.
            The shim showed up in the screen.

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            • #7
              Lol, I recommended a magnet for that reason.
              "I'm sorry, I didn't mean to upset you when I called you stupid. I thought you already knew..."
              spammer police
              USAF veteran
              If your a veteran, join the KR veterans group

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              • #8
                Air filters, air box changes

                OK, I'm using the 36 CV carbs and air box from the 750F, and a 1100 Katana exhaust system.
                I'm planning on tweaking up the carbs step by step with a Dynojet kit.

                Should the 750 airbox be modded to allow more air flow to suite the 1127?
                Should I use a sexy filter like the K&N or UNI?
                Should I not mod the airbox, stay with a paper Emgo filter?
                Last edited by buffalobill; 07-25-2015, 11:48 AM.

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                • #9
                  Originally posted by buffalobill View Post
                  Should the 750 airbox be modded to allow more air flow to suite the 1127?
                  Should I use a sexy filter like the K&N or UNI?
                  Should I not mod the airbox, stay with a paper Emgo filter?
                  Not necessary really
                  I didn't
                  I am a fluffy lil cuddly lovable bunny , dammit !



                  Katrider's rally 2011 - md86

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                  • #10
                    Is this a test.

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                    • #11
                      Originally posted by md86 View Post
                      Not necessary really
                      I didn't
                      Thanks md86, I remembered you said so.
                      It kinda don't seem necessary, but at the top RPMs the 1127 is taking much more air than a 750.
                      I just have no idea how much air the 750 intake can actually handle, and what the carbs like.
                      It's all a complex formula of flow, and what BAP the carbs are designed for.

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                      • #12
                        Well , the carbs are the same model . You COULD look at the airbox volume for the 1127 . I never worried about it . When I got mine up and running , and the mix decent , I didn't feel much need for more . I mean , 80ft/lbs at 4k RPM ? Yeah , I was happy .
                        I am a fluffy lil cuddly lovable bunny , dammit !



                        Katrider's rally 2011 - md86

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                        • #13
                          Thanks, your input is the best

                          Originally posted by md86 View Post
                          Well , the carbs are the same model . You COULD look at the airbox volume for the 1127 . I never worried about it . When I got mine up and running , and the mix decent , I didn't feel much need for more . I mean , 80ft/lbs at 4k RPM ? Yeah , I was happy .
                          It's at the top RPMs that any restriction would be felt.
                          Not having any power graphs to compare the 2 engines, or a Katana 1100 airbox in my hand to measure. I just have to work it out in the tuning process.

                          OK I'm a dummy. It's been so long since I changed the air filter, I forgot the venturi is part of the filter element.
                          All I need to do is buy an EMGO 1100 Katana filter and measure it all, see if it fits the 750 airbox.
                          Last edited by buffalobill; 07-28-2015, 06:37 AM.

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                          • #14
                            Finding time to work on these projects, not easy

                            OK, this is the middle of the summer riding season, sure is hard to take a bike off the road for a project.
                            This is my track day bike, I need to have room between track days to build and tune this swap.

                            Here are all the big parts going into the bike:

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                            • #15
                              Clean bike u have

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