My bike when i start theres a smoke coming out but its gone for few

[goldwing127959]

Check and see if you have gas in the oil.

 

[Rogel]

seconds.Whats wrong with my bike? i got a honda cbr 600 f2 and i break the fuel inlet for the carburator but now i fixed it and the bike is running.The problem is when i start my bike white smoke comes out for few seconds then its gone.But when i rev my bike it sounds diffrent now ..