I've often wondered why companies over-exaggerate the dirtbike's cc count, like giving dirtbikes 449 cc's, and not 450 exactly, and how some companies do this more than others. For example: Honda's crf230f's, only have 223 cc's, KTM's new 530 which only has 510 cc's. Why doesn't KTM call it the 510? Am I missing something here? I don't get it, can somebody shed some light on this subject?