LRG96 Posted November 18, 2015 Okay so done a bit of research my self most of it on here about the yz 250s year differences. But i wana know afew things i havent seen talked about on here. What year frames will fit my motor and forks and swingarm ect. And what are the major differences between 1998 and 1999 motor on the yz 250 Share this post Link to post Share on other sites