i have a 2004 yz250F, i love it but i have the chance to upgrade to the 2006 yz450F. i think i'm gonna do it. do you guys think its true that the 06 WILL have problems, people have been aying it the first year for this model, when its not, they've been around the longest. what do you guys think, 2006 450 or not. i'm doing the saem things i did before i got my blue 250. FREAKING OUT!