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Old 08-26-2014, 04:10 PM
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Question 2002 YZ250F throttle response

     

I'm new here
Just bought a 2002 yz250f... very happy with it... haven't owned a bike for several years and sure satisfies the soul!

My question to the guru's is this...
Bike starts fairly easy, idles fine, pulls great... problem... the low end throttle response is almost explosive... the first 1/8th turn is only minimally responsive, then the rpm's almost instantly jump by several hundred rpm... makes slow riding in a tight trail almost impossible... Should I be adjusting jetting? If so, what should I adjust first?

Previous owner tells me everything is stock... sprockets are 13/48...

Thanks for giving it a thought...
kevhef
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