Randy12345

I have a 97 king quad 300 when I first start it up it will idle fine for a min the idle hi for a min an keeps doing it till the motor is warn what would do this my carb setting are 2 5/8 turns out an my needle is on the 3rd Grove starting at the bottom any help would be greatly appreciated and you still by new carbs for this machine this quad dose have the vacuum for the carb an petcock