Let me start off buy saying I 've had all color's of 4 stroke's since 03 , 250 's and 450's and I must say that this new blue 450 is a handfull . smooth power but lot's of it .took it out yesterday and had a tuff time with it ( I know it's me not the bike ) been riding a 05 yz 250 2 stroke the last 2 week's and having a blast anyway's what's a 06 yzf 450 with 1 hr. worth ?? 6000 ish ??