Banshee hard start and smoking too much

[Hzb]

I have a 2000 banshee with a cool head on it and fmf gold series pipes the quad won’t start unless I spray starting fluid on the filter or push start it letting the clutch go compression was still good when I left when to ride and got it started and was riding and it dies on me bogging and I push start it with my brother and later it’s just starts blowing hella smoke out of one exhaust other exhaust wasn’t blowing anything what would cause all the extra smoke it was like dark blue smoke in the fog checked the coolant under the seat it was still half full what would cause all the extra smoke ? 

[locogato11283]

Usually it's from coolant. I wouldn't pay much attention to the overflow tank. Did you check the radiator?