help yz 85 or kx 100

[cool12]

Hey okay i want to get a 2 stroke MX bike so i dont know to get a kx 100 or yz 85 i am 5'0 5'1 still growing and around 100lbs and 14 y/o i am going to race and do trail riding.I hear good and bad things about both so whats the best bike for me???? also which is faster?This will be my first year of racing.i have been riding since May so a couple months

[CRider400]

I think if you get the 85, you will out grow it fast. I would say get the kx100