| Kawasaki's profilation of this bike | 
  | Approachable power, superb ergonomics and class-leading performance offer a smooth, manageable ride that´s ideal for new riders while also alluring experienced riders. A low seat height and aggressive styling with LED headlights make the Ninja 400 the ideal choice for riders looking to enter the sport-riding scene. | 
    
        | General information | 
  
    | Motorcycle name | Kawasaki Ninja 400 KRT | 
    | Year of manufacture | 2021 | 
    | Type | Sport | 
| Price as new | US$ 6599.   MSRP depends on country, taxes, accessories, etc. | 
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        | Engine and transmission | 
  
    | Engine size | 399.0 ccm (24.35 cubic inches) | 
    | Type of engine | Twin, four-stroke | 
    | Compression | 11.5:1 | 
    | Bore x stroke | 70.0 x 51.8 mm (2.8 x 2.0 inches) | 
    | Fuel system | Injection. 32 mm x 2 | 
    | Fuel control | Double Overhead Cams/Twin Cam (DOHC) | 
    | Ignition | TCBI w/digital advance | 
    | Lubrication system | Forced lubrication, wet sump | 
    | Cooling system | Liquid | 
    | Gearbox | 6-speed | 
    | Transmission type | Chain  (final drive) | 
    | Clutch | Assist  and  Slipper Clutch | 
    
        | Chassis, suspension, brakes and wheels | 
  
    | Frame type | Trellis, high-tensile steel | 
    | Rake (fork angle) | 24.7° | 
    | Trail | 91 mm (3.6 inches) | 
    | Front suspension | 41mm hydraulic telescopic fork | 
    | Front wheel travel | 119 mm (4.7 inches) | 
    | Rear suspension | Horizontal back-link with adjustable spring preload | 
    | Rear wheel travel | 130 mm (5.1 inches) | 
    | Front tire | 110/70-17 | 
    | Rear tire | 150/70-17 | 
    | Front brakes | Single disc. Petal-type disc with 2-piston calipers. Optional ABS. | 
    | Diameter | 310 mm (12.2 inches) | 
    | Rear brakes | Single disc. Petal-type disc with single-piston caliper. Optional ABS. | 
    | Diameter | 220 mm (8.7 inches) | 
    
        | Physical measures and capacities | 
  
    | Dry weight | 165.0 kg (363.8 pounds) | 
    | Seat height | 785 mm (30.9 inches) If adjustable, lowest setting. | 
    | Overall height | 1120 mm (44.1 inches) | 
    | Overall length | 1990 mm (78.3 inches) | 
    | Overall width | 710 mm (28.0 inches) | 
    | Ground clearance | 140 mm (5.5 inches) | 
    | Wheelbase | 1370 mm (53.9 inches) | 
    | Fuel capacity | 3.70 litres (0.98 US gallons) | 
    
        | Other specifications | 
  
    | Color options | Lime Green/Ebony/Pearl Blizzard White | 
    | Starter | Electric | 
    | Factory warranty | 12 Month Limited Warranty | 
    | Comments | Special Kawasaki Racing Team (KRT) edition. Small windscreen. Economical Riding Indicator. | 
| Update specs | Report missing specs or required updates. | 
    
        | Further information | 
  | Insurance costs | Compare US insurance quotes from the nation's top providers. | 
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. | 
| Ask questions | Join the 21 Kawasaki Ninja 400 KRT discussion group or the general Kawasaki discussion group. | 
| Related bikes | List related bikes for comparison of specs. | 
    
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