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Old May 19th, 2011, 05:43 AM   #45
bob138
ninjette.org member
 
Name: Bob
Location: Centreville va
Join Date: Sep 2010

Motorcycle(s): 1991 EX500 , 2009 250r

Posts: 130
Quote:
Originally Posted by standard81 View Post
As far as I can tell, no ninja 500 engine is a direct fit into any ninja 250 chassis. I've done a 1990 500 engine into a 2009 250 chassis. Definitely not a direct fit. Some people may tell you that it may be a bolt-in affair, but they most likely haven't done it. There should be pictures posted on this thread, but if you need to see more, lemme know.
I'd like pics

Do any of the mounting points bolt up? I know that the frames are different so you need to create mounting points for the front of the ex500 motor.

Also for anyone else thinking about this, the 1st generation ex500 motors have bad flywheels and cam chain tensioners. So if you are looking for a motor to try this out with try to get a newer motor, otherwise you're in for another ~$130 worth of parts to upgrade the 1st gen motor.

Bob
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