"The 2023 Kawasaki Ninja 400 is a lightweight sportbike that offers the largest displacement in its category at 399cc with the sophistication of a twin-cylinder engine. Clad in sharp Ninja styling, the Ninja 400 delivers greater performance than its predecessor due to an engine and chassis that are more powerful and significantly lighter. Not only does the Ninja 400 offer stunning, high-quality looks, its stronger engine performance, light, predictable handling, and relaxed, sporty riding position make it both fun and easy to ride. It is perfect for both novice and experienced riders, combining exhilarating performance with approachable power delivery. **Specifications**: - Engine: 399cc, liquid-cooled, 4-stroke, DOHC twin-cylinder - Bore x Stroke: 70.0 x 51.8mm - Compression Ratio: 11.5:1 - Fuel System: DFI with 32mm throttle bodies (2) - Ignition: TCBI with digital advance - Transmission: 6-speed, return shift - Final Drive: Sealed chain - Front Suspension: 41mm telescopic fork/4.7 in - Rear Suspension: Bottom-Link Uni-Trak, gas-charged shock with adjustable preload/5.1 in - Front Brake: Single 310mm disc, ABS - Rear Brake: Single 220mm disc, ABS - Front Tire: 110/70-17 - Rear Tire: 150/60-17 - Rake/Trail: 24.7°/3.6 in - Wheelbase: 53.9 in - Seat Height: 30.9 in - Fuel Capacity: 3.7 gal - Curb Weight: 366.0 lb"