1973 Kawasaki Z-1 900cc original vintage advertisement. We took four years to rethink, redesign and re-engineer the machine. The result: the Kawasaki Z-1. The engine displaces 900cc's. At 8,500 rpm it is rated 82 horsepower. In 5th gear, you can accelerate from 15mph to well over 130 without the slightest shudder. The Z-1 is the most thoroughly road-tested machine ever offered in this country. Come out ahead on a Kawasaki.