I have just purchased a JD Jitting kit , plus leak jet kit . I am not sure what leak jet i should put in , or even if i need to. I have had some low end bog on my crf 250r 06 and i am trying to tune it in. I have put in a 180 main 45 pilot Fuel Screw 1 out Blue needle on 5th from top 300 ft between 0 - 5 Deg C ( 32 - 41 F ) Any info would be appreciated , as i do not know very much about the carb. Cheers.