How POWERFUL is a 700cc Two-Stroke Dirt Bike!? How POWERFUL is a 700cc Two-Stroke Dirt Bike!? Vital MX Play Again Pff, people with 500s think they have a "man's bike", well it has nothing on this 700! Check out the dyno run and would you dare ride it on a track? Credit: TooFastMedia ML512 10/28/2021 6:02am 0 comments Sort: Newest FirstOldest FirstPopular To post, please join, log in or connect to Vital using your Facebook profile Login with Facebook.