Kawasaki Ninja 400 top speed runNot bad at all for a 400 Visordown Updated: 23 Sep 2019 HERE'S Kawasaki's Ninja 400 hitting an indicated 191kph - that's 121mph - in a top speed run by Thai magazine Over Ride.Not bad for a 400. Read more about the Ninja 400 here. In This ArticleNinja 400 Previous Motorcycle types for beginners Next Motorcyclist spots man stealing speed camera Subscribe to our NewsletterGet the latest motorcycling news, reviews, exclusives and promotions direct to your inboxFor more information, read our Privacy Policy Leave this field blank