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Post Info TOPIC: Fuel injected 1127


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RE: Fuel injected 1127


thanx, will let you know how i get on



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Just thought I'd share a couple of pictures of my project.

 



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Dyno result, they managed to reduce the fueling by 10%, still running to rich but not as bad, managed 133bhp at the wheel, which cosidering it's still rich isn't to bad, once the fueling is right should be getting well over 140bhp



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Nice bike, you ever looked in on the ASF site ?

Next time get them to drop the fuel pressure 5-8psi and try again you should be in the tuning range of the yosh box then

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Never been on ASF site, keep meanong to pop on,

Do I drop the pressure from the pump or just tell the ECU that the pressure has dropped? Because I could fit an inline regulator.



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Do you have the std efi regulator and pump in tank ? ,i was more expecting an external pump and regulator ,makes it a bit more difficult ,probably easier then to find someone that does reflashing and either tune with the flash gear or just reset the injector size to 110% ,with std injectors it will run leaner and be more in the range the yosh box can work with

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Hi mate, I'm using an early busa external pump with built in regulator which I believe is set at 43psi.

The bike is ridable, just a bit lumpy below 4k



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Hi all, just a bit of an update, for the time being I have resorted to fitting a power commander just to get my bike on the road for the summer, then over winter try and get my ECU re-mapped and sorted properly.

Anyway results from my dyno setup, It's putting out 136.6 bhp at the wheel and 82 ft/lb torque, so pretty pleased so far.



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This is a truly amazing project you are taking on. I just finished reading the whole post and I can tell you are doing a great job. At the sametime I also found information that was useful to me in my project. Keep up the good work.

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Thanx mate, it's all finished now went to it's first rally this weekend and all is good, just need to balance the injectors now, and should be running even better.

 

It was a project that alot of people said it couldn't be done with the parts that I was using, but hey I proved them wrongbiggrinbiggrinbiggrin



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Hi guys, not been on for a while, been out enjoying the bike.

I think I have made a bit of a **** up with the fueling now, For some reason I decided to fit a gear position sensor to it, now it has gone really rich and bogs down below 4000 rpm and soots the plugs up.

I've just taken it back off and just put the neutral switch back on, but the mapping is still the same, very rich.

When I had it dyno'd, they first dropped the fueling by 10% by using a yoshi box, then I fitted a power commander to fine tune it.

My question is, because I fitted the gear position sensor, would this cancel out the 10% reduction that was put on with the yoshi box?



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What did you have before the gps? was there a TRE fitted or just an open circuit on the gear position
Should have reverted to original settings anyway, check your map sensor , usually the first thing that comes to mind with very rich low rpm issues

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Hi mate, thanks for the reply.

Before I fitted GPS i just had the 1127 neutral sensor fitted with no TRE, as the bloke at the Dyno said I didn't need one.

So when I fitted the GPS it would have put the Busa ECU back to it's original settings, i.e. removing that 10% that the yoshi box took off.



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Thank you Mai750, you where spot on, I check the MAP sensor and all to do with the Map sensor, I found a split in one of the vacumn pipes, back to running as it sould.

well chufted, thought it was going to be something serious.



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Any updates? Im working on putting EFI on my 91 oiler

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No sorry , just enjoying riding it, good luck with your project mate



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What Gear position sensor did you use? Did you have to make an adaptor?

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hi mate, i'm just running with the neutral switch off the 1127 motor now, not the best solution but but still runs well.



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Yallgotboost

I just run a TRE wired to the neutral switch that way the ecu knows  you are in gear not in neutral , makes a huge difference on the spark and fuel mapping.

I run this on all my Kawasaki // Busa conversions works perfectly even on the ram air bikes .

My persanel bike has over 90,000 miles on my EFI kit.



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I wish I still had a TRE fitted, not got it anymore, might have to invest in a new one.



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