Therefore, Kawasaki decided to replace it with the Ninja 400 for the 2018 model year.

[1][4] It has a steel trellis frame with engine as a stressed member resulting in weight reduction of 6 kg (13 lb) and LED headlights and taillights.

There are stiffer 5-spoke wheels, similar to the Ninja 650, resulting in low unsprung weight and better cornering stability than predecessors.

[8][9][10] It is assembled locally in India at Kawasaki's manufacturing plant in Chakan, Maharashtra.

[14] In November 2022, Kawasaki announced it would produce a Ninja sport bike with an electric drivetrain.