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Old 05-08-2011, 09:28 AM   #221 (permalink)
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Quote:
Originally Posted by hansj3 View Post
not affiliated with these guys at all, i just think they have a cool product at a relativity good price,

there is a few fuel injection kits dedicated to the 250 ninja.

here is one
Small Engine EFI Kit - Small Engine EFI | Engine control

and here is another
MBE Motorsports inc. : Kawasaki Ninja 250cc PNP EFI conversion kit [EFIPNPNINJA] - $498.89USD

easy and bolt on. they also sell single piston kits for somewhere about half. would make for a killer briggs vanguard setup, super tunable as well. it would be an easy way to eek out the last little bit
Wow great stuff there! I was not aware that a company was producing conversion kits. Many people will be interested in this.

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Old 05-08-2011, 09:29 AM   #222 (permalink)
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Def bookmarked those pages...
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Old 05-08-2011, 11:17 PM   #223 (permalink)
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from the looks of it it would be a good kit for any 250 cc twin. i bet if someone sweet talked them the ecotrons kit could be suited for a 500cc twin... like the ninja 500 or the vulcan 500
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Old 05-13-2011, 10:11 AM   #224 (permalink)
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I could make you a gearset for the Ninja .
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Old 05-29-2011, 07:09 AM   #225 (permalink)
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I've been watching this for a while, congrats on hitting 100mpg by the way. Now I'm looking at a Ninja, go figure.

Anyhow, who is going to be the first to take the plunge for the EFI kit? I haven't really been able to find any reviews on it, and it would be interesting to see if there were any MPG gains. Especially with that little rich/lean switch.
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Old 05-29-2011, 01:06 PM   #226 (permalink)
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Quote:
Originally Posted by gtkid2002 View Post
I've been watching this for a while, congrats on hitting 100mpg by the way. Now I'm looking at a Ninja, go figure.

Anyhow, who is going to be the first to take the plunge for the EFI kit? I haven't really been able to find any reviews on it, and it would be interesting to see if there were any MPG gains. Especially with that little rich/lean switch.
I have been speaking with the tech guy from the company and we are trying to work things out with possibly getting me a test kit. It doesn't seem like the kit is exactly plug and play as advertised, but that should be expected when changing over to fuel injection. Also, the kit as-is does not support ignition adjustments. A separate controller (extra 50$) needs to be purchased in order to adjust the timing. However, i was told that the stock ninja 250 ignition map is pretty darn good and "shouldn't" need to be adjusted.

I do not think gains will be seen unless the jetting on the bike is way off (too rich). Lots of people say the jetting from the factory is a bit rich, especially in 90 degree weather. For example, my bike runs absolutely fine down in the teens Fahrenheit. I did also do a test by removing the factory velocity stack inserts on the airbox and the bike was way too lean and would not maintain speed with my gearing. That was in approximately 60* weather, so take it for what its worth.
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Old 05-29-2011, 08:35 PM   #227 (permalink)
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i think i will stick with my carbs. i prefer ease of maintenance over an extra 2-4 mpg. if you have FI, you have to have it hooked up to a frickin computer to know whats wrong with it. if something goes wrong with your carbs, you pretty much know whats wrong.
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Old 05-29-2011, 08:39 PM   #228 (permalink)
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Quote:
Originally Posted by kawboyCAFE View Post
i think i will stick with my carbs. i prefer ease of maintenance over an extra 2-4 mpg. if you have FI, you have to have it hooked up to a frickin computer to know whats wrong with it. if something goes wrong with your carbs, you pretty much know whats wrong.
This couldn't be further from the truth.. The reason mechanics need a code reader is for very specific tests. There are home new ways to get the information needed, and if you truly understand how an engine operates, and how a fuel system needs to work in it's proper configuration, diagnosis of an efi system is just as easy, and indeed easier for some.
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Old 05-29-2011, 08:45 PM   #229 (permalink)
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Quote:
Originally Posted by Christ View Post
....diagnosis of an efi system is just as easy, and indeed easier for some.
yeah, okay man, sure. if it makes you happy to believe that, by all means, go ahead.
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Old 05-29-2011, 08:48 PM   #230 (permalink)
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Considering that I work almost exclusively on EFI, I will indeed believe it. I have plenty of experience with both, and can honestly say that it's easier to determine a problem when airflow and fuel flow are separate.

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