need help fast!

[2002Honda400ex]

I have a 02 400ex and wont run. It will start and idle fine, but when i go to hit the gas, it will die immedietly. I just re-jetted about 2 hours before it started acting up and ran fine.

[400exstud]

What are your mods and what was and is your jetting?

[Rip_Tear]

If you can tell us too what colour is the plug? Black, white, gray, brown?

[2002Honda400ex]

my mods are a lrd pro 4 full exhaust kn filter dyno jet kit. The plug is black and when i ran my finger across it black stuff came off. not sure what the jet size is but the dj146 main jet is in that was in the jet kit.

[ilpadrino113]

u could be rinnin too rich and fouled the plug

[04'400ex'er]

sounds like a fouled plug to me...