How has the design of the Kawasaki Ninja 400 evolved over time?

The Kawasaki Ninja 400 has evolved significantly over time in terms of design, performance, and technology. Here are some of the key changes that have been made to the Ninja 400's design over the years: 1984-1996: The original Ninja 400, also known as the GPZ400R, featured a sporty, aerodynamic design with a dual-headlamp front end and a full fairing. It was available in various color schemes, including black, red, and blue. 1997-2003: The second generation Ninja 400, also known as the ZX-4, featured a more aggressive design with a sharp front end and a more streamlined fairing. It also had a revised chassis and improved suspension. 2004-2011: The third generation Ninja 400, also known as the ZX-4R, featured a more modern design with a dual-spar aluminum frame and a larger fuel tank. It also had an updated instrument panel and a slipper clutch. 2011-2018: The fourth generation Ninja 400, also known as the Ninja 400R or Ninja 650R in some markets, had a more refined design with a sharper front end and a more angular fairing. It also had a new digital instrument cluster and a redesigned exhaust system. 2018-present: The fifth generation Ninja 400 has a more aggressive, aerodynamic design with a full LED headlamp and a more compact tail section. It also has a new trellis frame, revised suspension, and a slipper clutch.