I have a raptor 660r and i already cleaned my carbs and replace them everything sounds good when you start the engine. but i got one problem, when i start the engine, my raptor only runs with half or a full choke on and when i take the choke off it automatically turns off.......can someone please!!! help me resolve this problem. i will really appreciate it. Thank You!

 

Is the air filter clogged? And is the air ilde mixture screw set properly?