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hope someone can help me, it seems that I have to replace the throttle body system on my ninja 250r. Does any one know why it would just start giving problems? What would the cost be if I have to replace?
 

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They do go bad I had a throttle body set up go bad on the r6 at about 53000 miles. Bought two of them off ebay to fix it. The first one was good but needed a screw adjustment that i wasnt aware of it on that particular model with an adjustment. Screw is not on any manual or anything to do with the bike. I did look up the actually throttle body and found a can am quad with it on a forum and they mentioned it. The second one i bought was bad i out the first one back on adjusted the screw and it was good to go!!!! The original was definately bad. It would close completely cutting off all air and fuel to the motor.
 

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hope someone can help me, it seems that I have to replace the throttle body system on my ninja 250r. Does any one know why it would just start giving problems? What would the cost be if I have to replace?
Is your Ninja 250 an U.K. Model? The U.S. has the carbed version. How did you come about your diagnosis?

DFI System Troubleshooting Guide & Service Code Table

Troubleshooting Guide

One of the main reason for an throttle/injector to go bad is due to an electrical problem. Other problems can be a broken spring or o-ring or bad ECU.

Check here for OEM pricing and part numbers.
Cornwall Kawasaki Centre - Kawasaki Centre
 
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