What is the top speed of the Kawasaki Ninja H2R, and how does its aerodynamic design contribute to its top speed?

The top speed of the Kawasaki Ninja H2R is around 240 miles per hour (386 kilometers per hour), which is achieved through a combination of the bike's powerful engine and its aerodynamic design. The bike features a sleek, low profile and a large, adjustable rear wing that helps to reduce drag and increase downforce.