| General |
| Comments | Balanced 50/50 weight distribution. | - |
| Year | - | 2023 |
| Colours | Icon Blue | - |
| Make Model | - | Kawasaki Ninja 400 |
| Dimensions |
| Ground Clearance (mm) | 160 mm | - |
| Ground Clearance (in.) | 6.3 inches | - |
| Seat Height | 780 mm / 30.7 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 | 1140 mm / 44.9 in. | 1120 mm / 44.0 in |
| Length | 2090 mm / 82.3 in. | 1990 mm / 78.3 in |
| Width | 730 mm / 28.7 in. | 710 mm / 27.9 in |
| Weights & Capacities |
| Oil Capacity (l) | 2.40 litres | - |
| Oil Capacity (Quarts) | 2.54 US quarts | - |
| Fuel Capacity | 14.00 litres / 3.70 US gallons | 14 Litres / 3.7 US gal |
| Wet Weight | 169.0 kg / 372.6 lbs | 168 kg / 370.3 lbs |
| Performance |
| Max Power | - | 33.4 kW / 45 hp @10000 rpm |
| Max Torque | 29.5 Nm (3.0 kgf-m or 21.8 ft.lbs) @ 9000 Revolutions" | 37 Nm / 27.3 lb-ft @ 8,000 rpm |
| Engine |
| Displacement (ci) | 19.59 cubic inches | - |
| Fuel Control | Double Overhead Cams/Twin Cam (DOHC) | - |
| CO2 | 88.2 CO2 g/km. (CO2 - Carbon dioxide emission) | - |
| Bore x Stroke (mm) | 68.0 x 44.1 mm | - |
| Bore x Stroke (in,) | 2.7 x 1.7 inches | - |
| Engine Type | In-line four, four-stroke | - |
| Displacement (cc) | 321.0 cc | - |
| 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 | 11.2:1 | 11.5:1 |
| Cooling System | - | Liquid cooled |
| Emissions | Euro 5 | EURO5 |
| Engine Lubrication | Wet sump | - |
| Fuel Consumption | 3.80 litres/100 km (26.3 km/l or 61.90 mpg) | - |
| Fuel Induction | - | DFI with 32mm x 2 throttle bodies |
| Ignition | TCI | TCBI with digital advance |
| Lubrication | - | Forced lubrication, wet sump |
| Starter | Electric | Electric |
| Valve System | 2 | - |
| Drivetrain |
| Clutch | - | 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 | Constant mesh | - |
| Primary Drive Ratios | - | 2.219 (71/32) |
| Transmission / Drive | - | 6 Speed |
| Chassis |
| Frame Type | Diamond | Trellis, high-tensile steel |
| Suspension - Front | 37mm KYB inverted front forks | 41mm Telescopic fork |
| Suspension - Rear | Swingarm | Bottom-Link Uni-Trak, gas-charged shock with adjustable preload |
| Rake | 25.0° | 24.5° |
| Trail | 95 mm / 3.7 in. | 92 mm / 3.7 in |
| Wheel Travel - Front | 130 mm / 5.1 in. | 120 mm / 4.7 in |
| Wheel Travel - Rear | 125 mm / 4.9 in. | 130 mm / 5.1 in |
| Electrical Systems |
| Instrumentation | Digital multi-function instruments | - |
| Lighting system | LED headlight | - |
| Wheels & Brakes |
| Brakes - Front | Single disc. Hydraulic. ABS. | Single 310mm semi-floating petal disc. Caliper: Single balanced actuation dual piston |
| Brakes - Rear | Single disc. Hydraulic. ABS. | Single 220 mm petal disc. Caliper: Dual-piston |
| ABS | - | Standard |
| Tyres - Front | 110/70-R17 | 110/70R17 M/C 54 H |
| Tyres - Rear | - | 150/60R17 M/C 66 H |