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Discussion Starter · #1 ·
bought a 2007 ninja 250 for brother in law and this has me stumped. are they really this slow?? like super slow to rev up and stays up then down or is that signs of a bent valve? never rode a 250 so i dont know how fast its supposed to be, one exhaust gets hot by the motor the other only gets warm im sure this has more to give, carbs have been clean and spark plugs changed. any ideass???????
 

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Well weather there is a problem or not, I drove my friends 250 and it was a lot slower than I though! Kawi did not plan that bike out very well. But beginner wise for someone who has never been on a bike there awesome
 

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carbs, my bike did this too, once i tuned and cleaned the carbs it worked fine. how many seconds does it take to rev down to idle when you give it gas?
 
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