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Old December 30th, 2018, 12:52 AM   #11
Keithb7
2008 & 2010 250cc
 
Name: Keith
Location: Western Canada
Join Date: Jun 2018

Motorcycle(s): 2008 and 2010 Ninja 250

Posts: 10
Thanks for all the interesting replies. Yes I suppose dirty carbs is indeed a factor. I had read somewhere (on the internet likely, doh!) that Kawi jetted these bikes lean to meet emission standards, maximize fuel economy, and keep the engine easy to handle for new riders. It kind of makes sense. The 250 is one of the most popular bikes for new riders. Maybe just typical internet BS?

I do find that re-jetting this little bike is a fairly time consuming pain in the butt. Lots of things to take apart, however I am getting quicker at it. I will consider a proper full professional carb cleaning. No the quickest nor easiest thing to do shipping them to the USA, here from Canada where I am .
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