Hi guys I just traded my 400ex for a 01 banshee it has just had the topend rebuilt and I'm not not sure long they have been on the but it has pro circuit full pipes. So here's my problem fuel runs out of the overflow tube on the right carbs pretty heavily when gas is on and I took it for a short 10 min. Ride and when I got back the inside of the right pipe was glowing red and smoking after the engine was shut off. I was told the carbs needed to be synchronized but it also seems it is running lean with the whole red pipe. Any suggestions would be appreciated