Ninja 250 turbo - Kawasaki Forum :: KawasakiWorld.com
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post #1 of 31 Old 08-11-2013, 05:38 AM Thread Starter
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Ninja 250 turbo

I am building a ninja 250 turbo. The nitrous bike is working really well. And I want to play with the latest fuel injection systems and also go really fast at Bonneville. So I am building this science project.

Specs
Ecotron fuel injection system
2001 front frame and fork
2008 swing arm
17 inch wheels
No front break
1.5 gallon tank
265cc 2009 250 ninja engine
VZ-21 turbo
Bell inter cooler
Rear mounted radiator
1000 GPH electric water pump
Extended swing arm
Custom made plenum and intake system
Custom made exhaust
Air tech from and rear bodywork

I hope to have the bike ready for the summer in Ohio 2014.

Not much time and a huge amount af time an money I don't have. But this is how far I have gotten. Most of the bike is made from leftover parts. So I have very little invested in it.

I did buy the turbo and fuel system.
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Last edited by Racer X 9623; 08-11-2013 at 05:45 AM.
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post #2 of 31 Old 08-11-2013, 07:10 AM
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Awesome!

Isn't a front and rear brake required at most LSR events though?
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post #3 of 31 Old 08-11-2013, 07:46 AM Thread Starter
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Front brakes are required over 175 mph at Ohio.
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post #4 of 31 Old 08-11-2013, 01:21 PM
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It seems like a good project to fit a turbo on a bike but I have to ask, WHY a 250? The time and expense just doesn't seem like a 250 is the right bike to do it too, imho

Now do it to a 600 or larger and at least you have some resale value to recoop some of the labor and expenses

Lou

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post #5 of 31 Old 08-11-2013, 02:04 PM
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RX very cool project.
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post #6 of 31 Old 08-11-2013, 03:41 PM Thread Starter
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Quote:
Originally Posted by Lou zx12r View Post
It seems like a good project to fit a turbo on a bike but I have to ask, WHY a 250? The time and expense just doesn't seem like a 250 is the right bike to do it too, imho

Now do it to a 600 or larger and at least you have some resale value to recoop some of the labor and expenses

Lou
Simple answer land speed racing. I have been racing a 250 ninja since 2008. I have the worlds fastest 250 ninja. And have had a lot of fun racing the bike.

Long answer. Two strokes have dominated the smaller classes for a long time. I would like to see a two stroke 250/350 record fall to a four stroke.

As for money. I don't have any and probably never will. I spend what I have on motorcycle racing the rest goes to waste. No one will buy this junk when I am done with it.

Last edited by Racer X 9623; 08-11-2013 at 03:48 PM.
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post #7 of 31 Old 08-11-2013, 04:20 PM
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Quote:
Originally Posted by Racer X 9623 View Post
Simple answer land speed racing. I have been racing a 250 ninja since 2008. I have the worlds fastest 250 ninja. And have had a lot of fun racing the bike.

Long answer. Two strokes have dominated the smaller classes for a long time. I would like to see a two stroke 250/350 record fall to a four stroke.

As for money. I don't have any and probably never will. I spend what I have on motorcycle racing the rest goes to waste. No one will buy this junk when I am done with it.
Fair enough, i wish you all the luck you can handle. There is something to say about a determined person, Give it hell

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post #8 of 31 Old 08-11-2013, 04:31 PM Thread Starter
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Thanks I will do my best. And I hope to have fun doing it.
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post #9 of 31 Old 08-12-2013, 08:49 AM
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Since it's a statement under your pic...

What is the fastest 250 ninja capable of?

What is the current record ??

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post #10 of 31 Old 08-12-2013, 11:53 AM
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Quote:
Originally Posted by Racer X 9623 View Post

As for money. I don't have any and probably never will. I spend what I have on motorcycle racing the rest goes to waste. No one will buy this junk when I am done with it.
Great answer. Awesome project, Good Luck, keep us updated.
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post #11 of 31 Old 08-12-2013, 10:01 PM Thread Starter
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The fastest 250 ninja speed is 123.something . Next is Shiphtee at 122. Then me again at 121.
Then the little Kawasaki that went to Maxton did 119 . All those speeds are nitrous

A turbo went 121 at Bonneville and 113 at Maxton.

All motor there is a 117 pass from the little Kawasaki that went to Maxton
Also Shiphtee went 112 and I went 112 on the motor. After that is everyone else.

Production stock speeds are under 110. And the stock bikes that show up run close to 100 mph.
These speeds are all documented with time slips. I guess there are faster speeds. Like coming off bank tracks or downhill. But these are the speeds that have time slips.
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post #12 of 31 Old 08-13-2013, 12:38 AM
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Wow stunning, never thought you'd be able to get enough air out of a 250 to spin a turbo :-O

I'm gobsmacked! Keep it up chap

Graham:-)
2005 Silver 12R
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post #13 of 31 Old 08-13-2013, 02:07 AM
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Wow stunning, never thought you'd be able to get enough air out of a 250 to spin a turbo :-O

I'm gobsmacked! Keep it up chap
The right ratio turbo will work , tiny turbine wheel and housing to get it to spool and an adequate compressor side to top it off . Saying that it is hard to get the "perfect" ratio with that size engine...but upping the comp/methanol style of fuel will help .All the best to you RX , sounds like you know what you are doing.
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post #14 of 31 Old 08-13-2013, 03:06 AM Thread Starter
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Getting the turbo to spool is hard on these engines. Since I plan to race at Bonneville. 5000 feet above sea level I also have thin air to deal with.
I put the little vz21 turbo right up close to the head. And I will use relitivly high compression and low boost as a set up to start with.

RACE grade E85 is possible. But I will start with c16 from VP
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post #15 of 31 Old 08-13-2013, 05:43 AM
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Very cool.

Gotta have the timeslip otherwise it's just talk!!

I had a 250 at one time (bought for my wife who never rode it).

Mine would not have been even at 100!
Of course it was not exactly in new condition either.

Good luck to you, maybe we'll see you in Ohio sometime?

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