my 02 zx6r is have some problems. help?

[rider_810]

OK so i just got this bike a few months ago and it runs great and everything Sept for when u get on it hard. u can hear it kinda struggle on high rpm going up through the gears and the higher the gear your in the worst it dose it. when i get to about 110 mph the bogs. iv even tried down shifting to see if the higher rpms would get it to go but it just doesn't. it just bogs!!!!!!

i took my carb apart today and the only thin i can find is that one of the choke valves isn't closing all the way. the carbs are pretty clean though and look good. any ideas???????

[lellar01]

hey man ive had the same problem and check the vent hose on the valve cover! Mine was very touchy maybe it was 2 long or something but u could move it around while riding and it would clear right up!

[Shifty1]

Could be a vacuum problem. How does it rev at lower speeds?

[1stspudster]

My son took off to California and left me his 06 Ninja 600 to sell. It was running when I got it but now it won't start. The lights on dash works and starter is fine but it acts as though not getting fire.

Help