How does rated motorcycle ccs work?

Specifically, I noticed that virtually all displacements of motorcycle engines are just slightly underrated. For instance, the Kawasaki Ninja 250 engine is actually 249cc of displacement. Similarly, the Honda website rates the 125cc from engine at 124.9cc. I've noticed this with a majority of motorcycles I've come across; their true displacement is slightly below their rated displacement. Any ideas why? Is this for some legal purpose?

Read more: How does rated motorcycle ccs work?

Popular posts from this blog

My 93 honda accord ex makes a screeching noise when i turn the car on and when i do right or left turns how do i fix that?

Its been doing that noise for a year now it gets very annoying i don't know if it has to do with the power steering or i need to replace something because i tried to spray the belt it kinda helped but not so much noise came back so any recommendations? Read more: My 93 honda accord ex makes a screeching noise when i turn the car on and when i do right or left turns how do i fix that?
Read more