| General |
| Comments | Ride by wire. | - |
| Year | - | 2023 |
| Colours | Racing Red, Cosmic Black, Polar White/Racing Blue Metallic | - |
| Make Model | - | Kawasaki Ninja 400 |
| Warranty | 3-years or 36,000 miles warranty | - |
| Dimensions |
| Seat Height | 785 mm / 30.9 in. | 785 mm / 30.9 in |
| Wheelbase | 1380 mm / 54.3 in. | 1370 mm / 53.9 in |
| Ground Clearance | - | 140 mm / 5.5 in |
| Height | 1080 mm / 42.5 in. | 1120 mm / 44.0 in |
| Length | 2005 mm / 78.9 in. | 1990 mm / 78.3 in |
| Width | 849 mm / 33.4 in. | 710 mm / 27.9 in |
| Weights & Capacities |
| Oil Capacity (Quarts) | 1.8 US quarts | - |
| Oil Capacity (l) | 1.70 litres | - |
| Dry Weight | 158 kg / 348.3 lbs | - |
| Fuel Capacity | 10.98 litres / 2.90 US gallons | 14 Litres / 3.7 US gal |
| Wet Weight | 164.2 kg / 362.0 lbs | 168 kg / 370.3 lbs |
| Performance |
| Top Speed | 143.0 km/h / 88.9 mph | - |
| Max Power | - | 33.4 kW / 45 hp @10000 rpm |
| Max Torque | 28.0 Nm (2.9 kgf-m or 20.7 ft.lbs) @ 7500 Revolutions" | 37 Nm / 27.3 lb-ft @ 8,000 rpm |
| Power-to-Weight Ratio | 0.2152 HP/kg | - |
| Engine |
| Bore x Stroke (in,) | 3.1 x 2.4 inches | - |
| Bore x Stroke (mm) | 80.0 x 62.1 mm | - |
| Displacement (cc) | 313.0 cc | - |
| Displacement (ci) | 19.10 cubic inches | - |
| Fuel Control | Double Overhead Cams/Twin Cam (DOHC) | - |
| Engine Type | Single cylinder, four-stroke | - |
| CO2 | 77.3 CO2 g/km. (CO2 - Carbon dioxide emission) | - |
| Displacement | - | 399 cc / 24.3 cu-in |
| Engine Detail | - | Four stroke, parallel twin, DOHC, 4 valves per cylinder |
| Fuel System | Injection | - |
| Bore x Stroke | - | 70 x 51.8 mm |
| Compression Ratio | 10.9:1 | 11.5:1 |
| Cooling System | - | Liquid cooled |
| Emissions | Closed-loop 3-way catalytic converter, emission standard EU-4 | EURO5 |
| Engine Lubrication | Wet sump | - |
| Exhaust | Stainless steel | - |
| Fuel Consumption | 3.33 litres/100 km (30.0 km/l or 70.64 mpg) | - |
| Fuel Induction | - | DFI with 32mm x 2 throttle bodies |
| Fuel Reserve | 1.00 litres / 0.26 US gallons | - |
| Idle Speed | 1600 +/- 100 RPM | - |
| Ignition | - | TCBI with digital advance |
| Lubrication | - | Forced lubrication, wet sump |
| Spark Plug | NGK LMAR9D-J | - |
| Starter | Electric | Electric |
| Valve System | 4 | - |
| Drivetrain |
| Clutch | Multi-disc oil bath (anti-hopping) with self-reinforcement | Wet multi-disc, manual |
| Final Drive | Chain (final drive) | Chain |
| Final Drive Ratio | - | 2.929 (41/14) |
| Gear Ratios | - | 1st 2.929 (41/14) 2nd 2.056 (37/18) 3rd 1.619 (34/21) 4th 1.333 (32/24) 5th 1.154 (30/26) 6th 1.037 (28/27) |
| Gearbox | 6-speed | - |
| Primary Drive | X-ring chain with shock absorption in the real wheel hub | - |
| Primary Drive Ratios | - | 2.219 (71/32) |
| Sprocket | 16/40 (front/rear) | - |
| Transmission / Drive | - | 6 Speed |
| Chassis |
| Fork Tube Size (mm) | 41 mm | - |
| Fork Tube Size (in.) | 1.6 inches | - |
| Frame Type | Tubular space | Trellis, high-tensile steel |
| Suspension - Front | Inverted telescopic fork, Ø 41mm | 41mm Telescopic fork |
| Suspension - Rear | Cast aluminum dual swing arm, central spring strut, spring pre-load adjustable | Bottom-Link Uni-Trak, gas-charged shock with adjustable preload |
| Rake | 25.1° | 24.5° |
| Trail | 114 mm / 4.5 in. | 92 mm / 3.7 in |
| Wheel Travel - Front | 140 mm / 5.5 in. | 120 mm / 4.7 in |
| Wheel Travel - Rear | 132 mm / 5.2 in. | 130 mm / 5.1 in |
| Electrical Systems |
| Lighting system | LED headlight, tail light and LED indicators | - |
| Wheels & Brakes |
| Brakes - Front | Single disc. 4-piston fixed caliper, radially bolted. ABS. | Single 310mm semi-floating petal disc. Caliper: Single balanced actuation dual piston |
| Brakes - Rear | Single disc. Single-piston floating caliper. ABS. | Single 220 mm petal disc. Caliper: Dual-piston |
| ABS | - | Standard |
| Brake Fluid Type | DOT4 | - |
| Tyre Pressure - Front | 32 PSI (2.2 Bar or 220 kPa) | - |
| Tyre Pressure - Rear | 33 PSI (2.3 Bar or 230 kPa) | - |
| Tyres - Front | 110/70-R17 | 110/70R17 M/C 54 H |
| Tyres - Rear | - | 150/60R17 M/C 66 H |