Kawasaki Ninja 400 | Features and Specs

As the motorcycle industry continues to push the limits of performance and technology, the eagerly anticipated 2023 Kawasaki Ninja 400 has emerged as a true competitor for riders looking for an exciting and dynamic riding experience. The Ninja 400 has become a favorite among both seasoned riders and newbies to the world of sports bikes due to its sporty appearance, cutting-edge technology, and outstanding power.

The Kawasaki Ninja 400 sportbike combines performance, style, and comfort in a small package. The Ninja 400 was introduced in 2018 as a replacement for the Ninja 300, and it received positive feedback from both riders and critics. This post will examine the 2023 Kawasaki Ninja 400’s features, specifications, and competitors.



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  • Comfortable and Sporty: Clip-on handlebars provide a higher position for additional comfort.
  • Easy and Accessible: With its low 30.9in (785mm) seat height and thin seat design, this bike is easy to get on and off, and it has a low center of gravity, so it’s easy to handle.


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  • Sharp & Modern: Aggressive Ninja® style features a high-class modern design with exceptional fit and finish inspired by the larger displacement Ninja supersport bikes.
  • High-tech: The Ninja® 400 motorcycle’s premium cockpit has a multi-function meter with a gear position indicator.
  • Great visibility: Twin LED headlights with low and high beams and position lamps provide bright white illumination.


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  • Next-level Power: The Ninja® 400 motorbike engine strikes the ideal mix of user-friendly power and exciting high-performance moments.
  • Class-leading Power: The four-stroke, 399cc twin-cylinder engine is the largest displacement engine in its class, delivering smooth, easy-to-use power for maximum rider confidence while still providing exceptional fuel efficiency.


Source: valleykawasaki-suzukiinc
  • Speedy and Quick: The dimensions of the Ninja® 400 motorcycle’s chassis were engineered to provide assured handling and an elegant, athletic vibe regardless of the speed.
  • Lightweight and Agile: The tube-type trellis frame is lightweight and agile, similar to the groundbreaking Ninja H2® hypersport bike.
  • ABS (Anti-lock Brake System): The industry-leading semi-floating front disc brake provides powerful, progressive braking performance and is enhanced with an Anti-lock Brake System (ABS), which reduces wheel lock-up in specific scenarios.


Engine Management Technology

  • Assist and Slipper Clutch
    • Based on race feedback, the Assist & Slipper Clutch uses assist and slipper cams to drive the clutch hub and operation plate together or apart. The assist cam compresses the clutch plates by bringing the clutch hub and operating plate together. This reduces the clutch spring load, making the clutch lever feel lighter.
    • When rapid or accidental downshifts cause severe engine braking, the slipper cam separates the clutch hub and working plate. This reduces back-torque and rear tire hopping and skidding by relieving clutch plate pressure. The race-style function is useful for sport and track riding.
  • Economical Riding Indicator
    • Kawasaki models have exceptional fuel efficiency due to precise computerized engine management. The Economical Riding Indicator shows when riding circumstances are fuel-efficient.
    • The technology continuously monitors fuel use regardless of vehicle speed, engine speed, throttle position, or riding circumstances. The instrument panel’s LCD screen displays an “ECO” mark when fuel efficiency is high. Riding with the “ECO” mark turned on reduces fuel usage.

Chassis Management Technology

  • ABS (Anti-lock Brake System)
    • Kawasaki ABS monitors wheel speed with front and rear sensors. If either sensor indicates wheel lock, the ABS ECU directs the ABS unit pump to regulate braking fluid pressure (releasing and reapplying pressure to regain traction) until normal operation returns. ABS gives riders confidence and makes riding more fun.
    • The interface system ERGO-FIT® helps riders select their perfect riding position. The handlebar, footpegs, seat, and other chassis interface points can be modified using interchangeable and adjustable parts. This lets many riders establish a comfortable, controlled position. At one with their machine, they’ll discover how much fun Kawasaki machines are to ride.


2023 Kawasaki Ninja specifications are as follows.


  • MSRP NON-ABS $5,299 – $5,499
  • MSRP ABS $5,699 – $5,899


Engine4-stroke, Parallel Twin, DOHC, liquid-cooled
Bore x Stroke2.8 x 2-in (70.0 x 51.8mm)
Compression Ratio11.5:1
Fuel System
DFI® with dual 1.3-in throttle bodies
IgnitionTCBI with Digital Advance
Final DriveSealed chain
Electronic Rider AidsAnti-lock Brake System (ABS) (ABS-equipped model only)


Front Suspension / Wheel Travel1.6in (41mm) hydraulic telescopic fork/4.7in (119mm)
Rear Suspension / Wheel TravelHorizontal back-link with adjustable spring preload/5.1in (130mm)
Front Tire110/70-17
Rear Tire150/70-17
Front BrakesSingle 12.2in (310mm) semi-floating petal-type disc with 2-piston calipers (and ABS)
Rear BrakesSingle 8.7in (221mm) petal-type disc with a single-piston caliper (and ABS)


Frame TypeTrellis, high-tensile steel
24.7°/3.6 in (91.4 mm)
Overall Length78.3 in (1989 mm)
Overall Width28.0 in (711 mm)
Overall Height44.1 in (1120 mm)
Ground Clearance5.5 in (140 mm)
Seat Height30.9 in (785 mm)
Curb Weight366.0 lb* (166kg) [ABS], 361.6 lb (164kg) [non-ABS]*
Fuel Capacity3.7 gal
Wheelbase53.9 in (1369 mm)
Color ChoicesMetallic Carbon Gray/Metallic Matte Carbon Gray
Metallic Magnetic Dark Gray/Metallic Matte Twilight Blue
Pearl Blizzard White/Metallic Carbon Gray

*The curb weight includes all necessary materials and fluids to operate correctly, a full fuel tank (more than 90% capacity), and a tool kit. California evaporative emissions equipment adds approximately 2.2 lb (1kg).


Warranty12 Month Limited Warranty
Kawasaki Protection Plus™ (optional)12, 24, 36 or 48 months


The Kawasaki Ninja 400 2023 is a flexible and fun sportbike that provides an excellent blend of performance, style, and comfort. The Ninja 400 is suitable for both the novice and the experienced. It is simple to ride, agile, and reliable.

The Ninja 400 is also reasonably priced, with a decent warranty, making it an excellent buy. The 2023 Kawasaki Ninja 400 might be the bike for you if you want a sportbike that can tackle any route and any obstacle.

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