| MODEL | KAWASAKI Z 400 2023 |
| Year | 2023 |
| Engine Type | Four-stroke, parallel twin, DOHC, 4 valves per cylinder |
| Displacement / Capacity | 399 cc / 24.3 cu in |
| Bore X Stroke | 70 x 51.8 mm |
| Compression Ratio | 11.5:1 |
| Cooling System | Liquid cooled |
| Max Power | 33.4 kW / 45 hp @ 10000 rpm |
| Max Torque | 37 Nm / 27.3 lb-ft @ 8000 rpm |
| Ignition | TCBI with digital advance |
| Induction | DFI with 2 x 32 mm throttle bodies |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | Forced lubrication, wet sump |
| Gear Box | 6 speed |
| Clutch | Wet multi-disc, manual |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Trellis, high-tensile steel |
| Front Suspension | 41 mm telescopic fork |
| Rear Suspension | Bottom-link Uni-Trak, gas-charged shock, adjustable preload |
| Front Brakes | Single 310 mm semi-floating petal disc, balanced-actuation dual-piston caliper |
| Rear Brakes | Single 220 mm petal disc, dual-piston caliper |
| DIMENSION SPECS | |
| Overall Length | 1990 mm / 78.3 in |
| Overall Width | 800 mm / 31.5 in |
| Overall Height | 1055 mm / 41.5 in |
| Seat Height | 785 mm / 30.9 in |
| Wheelbase | 1370 mm / 53.9 in |
| Ground Clearance | 145 mm / 5.7 in |
| Dry Weight | — |
| Wet Weight | 167 kg / 363.8 lb |
| WHEEL SPECS | |
| Front Tyre | 110/70R17 M/C 54H |
| Rear Tyre | 150/60R17 M/C 66H |
| FUEL SYSTEM | |
| Fuel Capacity | 14 litres / 3.7 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The 2023 Z400 was Kawasaki's re-entry into the A2 naked class, using the 399 cc liquid-cooled twin that is also shared with the Ninja 400. It was built to Euro 5 standards and sold in Candy Lime Green and Pearl Robotic White. An optional ERGO-fit seat was offered for taller riders.
