Kx250f over heating

[Kranzjr]

Idle high with choke on and won't Idle at all with choke off. Also wants to back fire and missing when u give it gas with choke off. Starts to over heat quick with in a minute starts kicking out rAdiator fluid. What could the issue be?

[BWay142]

whens the last time it was running? try cleaning the carb. spray out with cleaner and compressed air in all the jets. make sure the flow through all breathers and jet. make sure u can see light through the pilot and main jets. the carb just could be clogged. maybe try turning the idle down...and where is the radioator flud leaking from? make sure all the clamps are tightened down and none of ur radiator hoses have been punctured