Help - Kawasaki Ninja 250R Forum
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post #1 of 2 (permalink) Old 06-20-2018, 03:27 PM Thread Starter
Junior Member
Join Date: Jun 2018
Posts: 1

I got a 2003 Kawasaki ninja ex250 that runs but will not stay running when under power or load. It just quits no matter what and if I throttle on it lugs a lot then quits. What is the problem???
Kaged413 is offline  
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post #2 of 2 (permalink) Old 06-23-2018, 08:30 PM
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Join Date: Jun 2018
Location: Hutchinson, KS, USA.
Posts: 4
There is not enough info to diagnose your problem.
There is probably spark. But...

It could be fuel/air mixture (carburetor) which is the easiest fix. You will have to take the carbs off and poke the gunk out of the carb jets

Or it could be compression. (cylinders/pistons; and/or piston rings, rods or bearings)... How does the oil look? Any metal in the oil, filter, or screen?
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