[Nameless12]

Hey guys...I just have a quick simple question for ya. When I'm out riding my Ninja it runs really really smoothly until after about 15-20 minutes of getting it really warmed up. After 15-20 minutes it chugs along in first gear(when I'm starting up from a stop). It'll chug along and i'll shift to 2nd and it will be smooth. I was just wondering if theres somethin wrong or if she just hates going slow..haha

 

[ninjarider]

I had a simular prob awhile back, turns out that the throttle bodies on the fuel injection just needed a little timing. The surging or "searching" is only really noticable at low revs. Has the bike had a major service yet and did you get a complete service record when you bought the bike?.

 

[Nameless12]

It has been serviced and everything was A okay.

 

[Ascalon]

Sounds like a rich fuel problem. If it gets worse as the bikes heats up to operating temperature, it could be running rich. A sensor could be screwed up that tells the ECU to over fuel it.
Take out the plugs and see if they are carbomn fouled, if so, it could be running way rich. How is tank range?
A