Guys I have an 09 and wanting to wake it up. I have chozen the two bothers exhaust and going to open up the airbox. Im in Kansas and part time colorado for the summers. What jet kit do I need. Im a noob so be nice

 

I suggest a Dynojet Jet Kit... And the #128 Main Jet Should be fine with the DJ Needle at the 3rd Position..

 

I'm a cheapskate so I went with the OE Keihin kit. It's a challenge to get the jetting just right for YOUR set up, but that's half the fun hey.

 

I'mmmm dumb. I literally posted the jet conversion chart and like 5 'active topics' below this one was another post with that in it...

So yeah check out THIS thread: https://www.kawasakiforums.com/forum...ad.php?t=25000 which references THIS thread http://faq.ninja250.org/wiki/Dynojet...zes_conversion which has the jet conversion chart

So if you are going to get a whole kit or just a Keihin one there's the conversion