The Kawasaki Ninja is a line of sport motorcycles manufactured by Kawasaki since 1984. The first model was the GPZ900R, which was released in 1984. The Ninja name was first used in 1985 on the GPZ600R, and has since been used on a wide range of Kawasaki sportbikes.
The Ninja series is known for its high performance and sleek styling. Ninja motorcycles have won numerous races and championships over the years, and are popular among both track riders and street riders. Some of the most popular Ninja models include the ZX-6R, ZX-10R, and H2.