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fuel injection conversion 29 Jan 2014 08:07 #620459

  • kzbiker8684
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i have a KZ750 LDT 1982 been doing a lot of work to it have a few ideas im not posting till i do them but this one is a fuel injection kit im getting sick of this carbs messing up every time it sits more then a week i wondering if anyone else has tried this and who it when or is it easier to try to get a gpz750 turbo wiring harness and go from there any ideas would be a help :woohoo:

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fuel injection conversion 29 Jan 2014 19:47 #620557

  • steell
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Read the MegaManual , it will tell you everything you need to know about EFI, and then you can decide if you really want to go EFI.

Not easy, but well worth it IMHO.

Using any 750 Turbo parts (the only fuel injected GPz750) other than the throttle bodies is a bad idea, the stuff is 29-30 years old.
KD9JUR
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fuel injection conversion 29 Jan 2014 19:53 #620558

  • jeffasaki
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Using any 750 Turbo parts (the only fuel injected GPz750) other than the throttle bodies is a bad idea, the stuff is 29-30 years old.[/quote]


and still works perfectly
78 Z1R
78 KZ1000
76 KH500 gone
71 HS1B 90
81 GS 1100 gone
80 PE400
02 KLR


Ontario Canada

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fuel injection conversion 29 Jan 2014 22:34 #620570

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jeffasaki wrote: Using any 750 Turbo parts (the only fuel injected GPz750) other than the throttle bodies is a bad idea, the stuff is 29-30 years old.



and still works perfectly[/quote]

As 30+ year old tech. Just think how brittle the plastic connectors are, and how many have seen computer failure. If you're going to do a conversion, might as well do it right and use current tech.
And yes, I've had a 750 Turbo, and have passed on the opportunity to acquire others. They were the best factory made turbo bike , but that's about all you can say, it's not 1985 any more.
KD9JUR

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fuel injection conversion 30 Jan 2014 03:47 #620581

  • undiablo
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Is there any other throttle body he can use? May be a modern kawasaki or honda... the important thing is the diameter and spacing right?
Kawasaki KZ 750/4 LTD 1981
Kawasaki KLR 650 2011
Argentina - Buenos Aires

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fuel injection conversion 30 Jan 2014 08:28 #620599

  • martin_csr
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It would probably be easier to rebuild the carburetors & fully service the bike than convert to fuel injection.

Edit: 750-Twin? 82 CSR?

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fuel injection conversion 30 Jan 2014 09:38 #620611

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martin_csr wrote: It would probably be easier to rebuild the carburetors & fully service the bike than convert to fuel injection.


It would be a whole lot easier and cheaper. Converting to EFI is non-trivial, it requires a large amount of time, effort, and money.

GPz1100 and 750 Turbo are the only direct fit throttle bodies, all others require at minimum re-spacing.
KD9JUR

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fuel injection conversion 30 Jan 2014 14:11 #620652

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Understatement of the new year then? :laugh:

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fuel injection conversion 30 Jan 2014 16:22 #620658

  • kzbiker8684
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thanks for all the ideas i will say i have worked on this carbs and even took the bike to the dealer and had it all re tuned worked for about a week then it got below 65 and they fucked up and ran like crap i will ride my bike till i cant fell my hands lol i have seen people make intakes fit off other bikes but call me lazy i dont wanna do all that work lol

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fuel injection conversion 30 Jan 2014 16:46 #620662

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thank you for the link that will come in handy

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fuel injection conversion 30 Jan 2014 17:32 #620666

  • steell
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Buy a set of 34mm flatslides (RS34's), I've heard they are fabulous. I think somewhere over $600.
KD9JUR

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fuel injection conversion 30 Jan 2014 17:42 #620670

  • kzbiker8684
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good fro racing i dotn like there cokes i had a 450 Suzuki with mikuni's and ran real good at high rpms and hard starting in the cold im still going for the EFI

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