ok guys i own a 02 yz250f. i kno a guy that is wanted to do a complete trade for my bike. he wanting step down, he has a 426. with a fairly new motor rebiult that has been well maintained. Heres my delimma, it is a 2000 and i do not want an older bike than i already have. so finally my question... did the Yz426f change that much from 2000 to thier final 2002 model?