I have a 96 XR 400 with the following mods:
-White Brothers E-Series Exhaust
-FMF Head Pipe
-K&N Air filter
-Cut Air box lid
-Carb Jetting (I dont remember what was upgraded too )
Ive been riding this bike since before I could touch the ground, I wanna build the motor BUT do it right the first time. I think I might need to Adjust my air/fuel mixture or go for larger jets because when i Rev the bike hard in neutral it wants to die out like its getting id guess not enough fuel. Can I adjust the air fuel to fix this or could i need new jetting? The bike has plenty of power, but I know it can be a monster and thats what way I wanna go with it, is a 440 kit the way to go or what other alternatives do I have. Any information or advice will be appreciated, Im new to this site and I hope I can get some good info. Please repost or Email me. Thanks!