hi there guys & gals.. i want too change the size of tyre on my fzr 600 3he 90 h reg.. as the normal one fitted is too skinny and most 400's are a lot bigger.. will i have too change the swingarm or anything like that.. would a fzr 400 swingarm / wheel / tyre fit? hope someone could help me or point me in the right direction... thanks too all who can help..