Question for people like me

Apex · September 29th, 2010, 02:28 PM

Who think of weird things that they'd like to do.

So I just had a vision. Not sure how well it would go down though.

So I know the Ninja is a little low on HP. Not bad though really. For some reason I really started thinking about the bike. What could possibly be done to make it different?

Then it hit me, would it be all that bad to drop a KLR 650 motor in a blown old 250? Turn it into a single cylinder, 30-35hp-ish, streetfighter. I'd have to double check the dimensions, but I just think it would be kind of cool to be different. Yeah, there would be issues with shifter linkages, fitting and customizing the frame to accept the engine, etc.

For some reason I just think it would be rather neat.

bob706 · September 29th, 2010, 02:30 PM

If I had the pieces and parts I would give it a try. Sounds like a good idea

2WheelGuy · September 29th, 2010, 02:37 PM

A lot of different motors have been stuffed into the 250 chassis. You have to remember that the 250 Ninja uses Kawasaki's 1984 vintage "Diamond" frame design. The engine forms one side of the diamond and is a stressed member. A replacement engine can't just be hung on the frame but must be bolted to it top and bottom.

Apex · September 29th, 2010, 02:48 PM

That would complicate things. I'm sure a little welding could complete the diamond without the motor being a part of it.

scotty · September 29th, 2010, 03:10 PM

What about the 650R?? Ive thought about that becuase its also a two cyc motor. Smaller motor so it may fit.?.?

bob138 · October 1st, 2010, 09:39 AM

Seeing as the ex500 motor was already put into a new gen 250 I think that the ex650 is totally do-able.

The KLR650 would be interesting though not a huge gain in power. Also, the vibes of the thumper would be much different than the little parallel twin so hard to say what effect that would have on the frame.

Personally I really like the ex500 motor. It's fast enough for pretty much anything you want to do on the street legally. That said, aside from cost, the ex650 would be the best candidate, due to roughly the same power of the 500 but with the easiness of fuel injection.

That and if you have a KLR650, you might as well strip it down and motard it!!!!

Bob

September 29th, 2010, 02:28 PM	#1
Apex Livin' the Minimoto Life Name: Mark Location: Riding around in TX Join Date: Mar 2009 Motorcycle(s): 2022 Honda Navi, 2018 Z-125 Pro Posts: A lot.	Question for people like me Who think of weird things that they'd like to do. So I just had a vision. Not sure how well it would go down though. So I know the Ninja is a little low on HP. Not bad though really. For some reason I really started thinking about the bike. What could possibly be done to make it different? Then it hit me, would it be all that bad to drop a KLR 650 motor in a blown old 250? Turn it into a single cylinder, 30-35hp-ish, streetfighter. I'd have to double check the dimensions, but I just think it would be kind of cool to be different. Yeah, there would be issues with shifter linkages, fitting and customizing the frame to accept the engine, etc. For some reason I just think it would be rather neat. __________________________________________________ --- My IG Page --- My FB page! --- 2022 Honda Navi && 2018 Z-125 Pro

September 29th, 2010, 02:37 PM	#3
2WheelGuy ninjette.org certified postwhore Name: Craig Location: Silicon Valley, CA USA Join Date: May 2009 Motorcycle(s): '98 EX250, '02 EX250, '08 250r, '03 SV650, '98 GSXR750 '03 Hayabusa, '87 YSR50, '84 ZX900, +MORE Posts: A lot.	A lot of different motors have been stuffed into the 250 chassis. You have to remember that the 250 Ninja uses Kawasaki's 1984 vintage "Diamond" frame design. The engine forms one side of the diamond and is a stressed member. A replacement engine can't just be hung on the frame but must be bolted to it top and bottom. __________________________________________________ CraigHarris.org Pacific Track Time CraigsWeb See you at 2014 MotoGP Laguna Seca! We'll be camping on Fox Hill. AFM #278

September 29th, 2010, 02:48 PM	#4
Apex Livin' the Minimoto Life Name: Mark Location: Riding around in TX Join Date: Mar 2009 Motorcycle(s): 2022 Honda Navi, 2018 Z-125 Pro Posts: A lot.	That would complicate things. I'm sure a little welding could complete the diamond without the motor being a part of it. __________________________________________________ --- My IG Page --- My FB page! --- 2022 Honda Navi && 2018 Z-125 Pro

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September 29th, 2010, 02:30 PM	#2
bob706 ninjette.org certified postwhore Name: Sean Location: Mary Esther, FL Join Date: Jan 2009 Motorcycle(s): 2008 Ninja 250 1998 HD Road King Posts: A lot.	If I had the pieces and parts I would give it a try. Sounds like a good idea

September 29th, 2010, 03:10 PM	#5
scotty ninjette.org certified postwhore Name: Scott Location: Carlise Ohio Join Date: Apr 2010 Motorcycle(s): Yahama v star 650 classic Posts: A lot.	What about the 650R?? Ive thought about that becuase its also a two cyc motor. Smaller motor so it may fit.?.?

October 1st, 2010, 09:39 AM	#6
bob138 ninjette.org member Name: Bob Location: Centreville va Join Date: Sep 2010 Motorcycle(s): 1991 EX500 , 2009 250r Posts: 130	Seeing as the ex500 motor was already put into a new gen 250 I think that the ex650 is totally do-able. The KLR650 would be interesting though not a huge gain in power. Also, the vibes of the thumper would be much different than the little parallel twin so hard to say what effect that would have on the frame. Personally I really like the ex500 motor. It's fast enough for pretty much anything you want to do on the street legally. That said, aside from cost, the ex650 would be the best candidate, due to roughly the same power of the 500 but with the easiness of fuel injection. That and if you have a KLR650, you might as well strip it down and motard it!!!! Bob