hey does anyone know what the biggest engine is that i can swap into my f2 600 with out too many mods i would like more power i love the bike too much to get rid of it i ahve done some difficult body mods like a single sided swingarm so if any one know if i can swap somthing close to a newer (98ish) 1000cc into the bike let me know

 

the 900 rr engine fits theres a post about it in here.

 

900rr. If you want the full liter, you can bore/stroke it a touch more and go w/some spray ;-)