2018 Kawasaki Ninja 400



Aggressive styling and advanced performance are at the core of the 2018 Kawasaki Ninja® 400 sportbike. With an all-new engine and a lightweight chassis, this approachable sportbike offers the perfect balance of everyday street riding and sport riding. The 399 cc twin cylinder engine delivers smooth and broad power that is easy to use for a range of riders. Featuring game-changing power and legendary Ninja performance, the all-new Ninja 400 has set the bar higher.


  • COMFORTABLE RIDING POSITION: A sporty yet relaxed riding position accommodates a wide variety of riding situations.
  • CLIP-ON HANDLEBARS: Clip-on handlebars offer a raised position for added comfort.
  • NARROW SEAT DESIGN: Narrow seat design and low 30.9 in. seat height for confident reach to the ground and lower center of gravity for confident handling.
  • FORWARD-ORIENTED FOOTPEG: Forward-oriented footpeg position contributes to comfortable ergonomics and a confident reach to the ground at stops.


  • HANDLING: Chassis dimensions designed to deliver confident handling with a modern sporty feel at all speeds.
  • 41 MM FRONT FORK: A large diameter front fork provides increased steering precision at low speeds and reduced flex at higher speeds for enhanced handling.
  • 310 MM FRONT DISC BRAKE: The class leading semi-floating front disc brake delivers strong, progressive braking performance.


  • NEXT LEVEL POWER: The all- new engine delivers a balance of high performance and easy-to-use power.
  • ADVANCED LIGHTWEIGHT ENGINE: The all-new engine features a downdraft intake and a large air box which contribute to increased power at all rpm.
  • ROLL-ON ACCELERATION: Best-in-class roll-on acceleration to confidently accelerate up to speed.
  • ASSIST AND SLIPPER CLUTCH: The assist function provides an exceptionally light clutch pull and produces a wide clutch engagement range for comfort and confidence. The slipper function reduces the effect of back-torque for smooth and seamless downshifts.
  • CLASS LEADING 399 CC TWIN-CYLINDER ENGINE: The largest displacement engine in its class delivers smooth, easy-to-use power for maximum rider confidence while also offering outstanding fuel efficiency.


  • SHARP, MODERN DESIGN: Aggressive Ninja® styling boasts high-class modern design with a superb fit and finish inspired by the larger displacement Ninja® supersport bikes.
  • HIGH GRADE COCKPIT: High grade cockpit with a multi-function dash instrumentation that includes a gear position indicator.
  • TWIN LED HEADLIGHT: Twin LED headlights produce strong white light lighting and include low and high beams as well as position lamps.
  • TURN HEADS: Turn heads with sporty, KRT superbike inspired colors and graphics.

General Information

Manufacturer Kawasaki
Model Year 2018
Model Ninja 400
Model Code EX400HJFL
Stock Number KawA07722
Color Candy Plasma Blue



Front - 310 mm semi-floating single disc

Rear - Single 220 mm disc


Front - 110/70 x 17

Rear - 150/70 x 17


Length Overall - 78.3 in.
Height Overall - 44.1 in.
Width Overall - 28 in.

Curb - 368.2 lb.

Curb weight includes all necessary materials and fluids to operate correctly, full tank of fuel (more than 90 percent capacity) and tool kit (if supplied).

Ground Clearance 5.1 in.
Wheelbase 53.9 in.
Seat Height 30.9 in.


Transmission 6-speed, return shift
Final Drive Sealed chain


Engine 4-stroke, 2-cylinder, DOHC
Displacement 399 cc
Bore x Stroke 70 x 51.8 mm
Compression Ratio 11.5:1
Fuel System DFI® with 32 mm throttle bodies (2)
Fuel Capacity 3.7 gal.
Ignition TCBI with digital advance
Cooling Water


Frame Trellis, high-tensile steel

Front - 41 mm telescopic fork

Front Travel - 4.7 in.

Rear - Bottom-link Uni-Trak®, swingarm adjustable preload

Rear Travel - 5.1 in.

Rake 24.7°
Trail 3.6 in.


Additional Colors

Metallic Spark Black

Candy Plasma Blue

Warranty 12 Month Limited Warranty