The term “superbike” gets tossed around pretty easily today. And it’s not hard to see why, with plenty of 200-plus-horsepower, two-wheeled road rockets to choose from right off the showroom floor.

When first unveiled at the Cologne Motor Show in 1972, the Kawasaki Z1 900 set the motorcycling world aflame with its sophisticated delivery of unmatched acceleration, speed, and looks. The Z1 rapidly ...

There's really no argument about the Kawasaki Z1's place in moto history. From the instant the root beer-and-orange machine exploded onto the scene in late 1972—redefining streetbike performance ...

It's forty years since Kawasaki astonished the motorcycling world by showing the 903cc Z1 superbike at the 1972 Cologne Show. Some special activities are being planned for the 2012 Cologne Intermot ...

The human obsession with motorcycles began in 1885, about a decade after the invention of the four-stroke Otto Cycle engine that still powers most models. Kawasaki made its first motorcycle engine, ...

With the Honda CB750 to beat, Kawasaki's Z1 needed to be fast, refined and cool. It was all of that and more... In 1968, Steve McQueen drove a Sherwood Green Mustang GT Fastback into motoring legend.