300 exc set up

Hi guys, just got meself a 13 EXC 300 six days there and what a tool. However after riding it a few times the bike feels abit rich, not as responsive from idle as my last 250, definatley not as crisp. She has 40 hrs on it with the yellow spring wound out flush and the mapping switch fited Im...

Hi, First of all i'm sorry if this question pops up all of the time and you're bored of answering it, but could do with some advice, I've just got my first enduro bike, a 300exc, I love it! What 2 stroke oil do you recommend? What gear ratio's would you advise? What maintenance is needed...