I am 6'0'' i weigh around 170ish and im 14. I am build, very muscular and have been riding a long time. My cousin is selling his 2002 yz426f with a white bros E series on it. it has the correct jetting and stuff. it is being sold for $2800. it would be ridden on mostly trails, and an occasional trip to the MX track. so what yall thunk?