Kawasaki is no stranger to building strong motorcycles, but there's one with so much horsepower it's not street legal and ...

In its standard state, the Kawasaki Ninja ZX-14R has a 186-mph top speed. However, owners who have modded their bikes report ...

Japanese manufacturers in particular were quick to see the potential of these new race-bred machines, and we were suddenly getting one amazing sports bike after another. Each one promised more speed ...