Developed based on feedback from racing activities, the Assist & Slipper Clutch uses two types of cams (an assist cam and a slipper cam) not available on a standard clutch. The assist function provides an exceptionally light clutch pull and produces a wide clutch engagement range for comfort and confidence. The slipper function reduces the effect of back-torque for smooth and seamless downshifts.

Innovative Kawasaki technology like the patented radiator fan cover located behind the radiator directs hot air out to the sides away from the rider, contributing to rider comfort.

Rigid ø41 mm telescopic fork delivers excellent suspension action. The front wheel feels really planted, direction changes are made easily (even when the bike is fairly upright – handy when navigating traffic jams), and overall the suspension offers the plushness of a larger displacement bike. At the rear, 5-way preload adjustability lets riders adjust the stiffness and ride height to suit body weight or when riding two-up.

Measuring ø310 mm, the Ninja 400’s semi-floating front disc offers sure stopping power. A rigid front brake master cylinder helps eliminate ineffective (idle) stroke, contributing to controllability, while carefully selected brake hose dimensions and material contribute to brake touch. 

Relaxed rider triangle accommodates a wide range of rider sizes and riding situations. Compared to some other models (whose somewhat extreme riding position compromises comfort), the elevated handle position and slightly foot-forward footpeg position put the rider in a position to control the bike while also offering rider comfort.

The Ninja 400’s sophisticated instrument cluster contributes to the high-grade feel of the tidy cockpit. The instrumentation features a large analogue tachometer flanked by warning lamps on one side, and a gear position indicator and multi-function LCD screen on the other.