There were issues with the Ninja 300’s compliance with Euro 4 emission standards. In 2018, Kawasaki introduced the Ninja 400 to replace the Kawasaki Ninja 300. Compared to its ancestor, the new 400’s engine offers increased performance at any rpm. In addition, it offers a smooth, predictable response with an impressive top speed, making it easy to control.
If you are interested and want to know about Kawasaki Ninja 400’s top speed, specs, and features, read the full article so that you can get a better perspective.
What is Kawasaki Ninja 400?

The Kawasaki Ninja 400 has a 390 cc four-stroke engine with a liquid cooling system. It has six-speed transmission along with TCBI w/digital advanced ignition system. This bike is available in two variants the basic one does not have ABS control, and the other one has an ABS control option.
This bike is equipped with the 41 mm hydraulic telescopic front fork with 4.7 inches travel and horizontal back-link with adjustable spring preload rear shock with 5.1 inches travel along with 110/70-17 front tire and 150/70-17 rear tire. The front wheel has a 310 mm semi-floating petal-type single disc with a 2-piston calipers brake and 220 mm with a single-piston caliper brake for the rear wheel.
Ninja 400 Top Speed

The top speed of the Kawasaki Ninja 400 is 110 mph(177 kph) – 116 mph(186 kph) with 47.5 bhp @ 10,000 rpm and 38 Nm torque @ 8,000 rpm. This bike offers impressive acceleration and an impressive 25 km/l fuel economy, making it a great choice for anyone looking for more adventure on the road with comfy handling and riding position. Like the KLX 100 and KLX 140, Kawasaki also prioritized speed in their Ninja bike, keeping riders’ comfort in mind.
Ninja 400 in gear speeds at 5000 rpm
Speed at 5000 rpm | Ninja 400 |
Speed 1st Gear | 18.8 mph |
Speed 2nd Gear | 26.8 mph |
Speed 3rd Gear | 34.1 mph |
Speed 4th Gear | 41.4 mph |
Speed 5th Gear | 47.8 mph |
Speed 6th Gear | 53.2 mph |
Specifications
Here are Some of the specifications of this bike given below.
Engine | 4-stroke, Parallel Twin, DOHC, liquid-cooled |
Displacement | 399 cc |
Bore x Stroke | 70.0 x 51.8 mm |
Compression Ratio | 11.5:1 |
Fuel System | DFI® with dual 32 mm throttle bodies |
Ignition | TCBI w/digital advance |
Transmission | 6-speed |
Final Drive | Sealed chain |
Electronic Rider Aids | ABS |
Front Suspension / Wheel Travel | 41mm hydraulic telescopic fork / 4.7 in |
Rear Suspension / Wheel Travel | Horizontal back-link with adjustable spring preload / 5.1 in |
Front Tire | 110/70-17 |
Rear Tire | 150/70-17 |
Front Brakes | Single 310 mm semi-floating petal-type disc with 2-piston calipers (and ABS) |
Rear Brakes | Single 220 mm petal-type disc with single-piston caliper (and ABS) |
Trail | 24.7°/3.6 in. |
Overall Length | 78.3 in |
Overall Width | 28.0 in |
Overall Height | 44.1 in |
Ground Clearance | 5.5 in |
Seat Height | 30.9 in |
Curb Weight | 366.0 lb (ABS), 361.6 lb (non-ABS)* |
Fuel Capacity | 3.7 gal |
Wheelbase | 53.9 in |
Price | $5,299 – $5,499 (Non-ABS),$5,699 – $5,899 (ABS) |
Engine

The Kawasaki Ninja 400 has a DOHC 399 cc four-stroke engine that has a liquid cooling system to keep the engine temperature under control. It has a 70.0 x 51.8 mm Bore x Stroke ratio and an 11.5:1 Compression Ratio.
This bike comes with a six-speed transmission and sealed chain final drive option. It also has DFI® dual 32 mm throttle bodies’ fuel system and TCBI w/digital advanced ignition system. It has two variants one has ABS control, and the other is without ABS.
Handling & Top Features

This bike is equipped with a 41 mm hydraulic telescopic front fork with 4.7 inches travel and horizontal back-link with adjustable spring preload rear shock with 5.1 inches travel. Ride quality is generally decent despite the suspension’s softness and springiness. It has sharp, stable, and light steering that is quite good while cornering. You will also get a comfortable experience and enjoy its ride due to its calming riding position.
This bike has many features, including the LED tail light, Digital Trip meter, Fuel gauge, Digital Tachometer, Odometer, and Adjustable Windshield.
Tire Size & Seat Height

This bike has a good grip on the road due to its 110/70-17 front tire and 150/70-17 rear tire. In comparison with previous mini-Ninjas equipped with IRC Road Winners, the Dunlop GPR300 tires are a huge step forward.
Its ride becomes more comfy and calm due to its 53.9 inches wheelbase along with 5.5 inches of ground clearance. It comes with an average 30.9 inches seat height, making it an ideal ride for average-height people.
Brakes

It has a 310 mm semi-floating petal-type single disc with 2-piston calipers for the front wheel and 220 mm with a single-piston caliper. However, the two-piston, single-disc front brake is average; one needs to squeeze hard to stop quickly. If you buy the Ninja 400 ABS model, you will get ABS support on both the front and back wheel.
Buyer Guide
The Kawasaki Ninja 400 is one of the best bikes in its category. Due to its lightweight and compact size, it becomes an excellent choice if you are a beginner, adult, or lady rider. Although the ride is smooth and comfortable, it does not have satisfactory brakes; you have to squeeze hard in order to stop it.
Furthermore, it is an economical bike with an efficient fuel consumption of 25 km per liter. So if you are considering this bike, you can definitely go with it.
FAQ’s
Here are some of the frequently asked questions and their answers.
How fast will a Ninja 400 go?
With the 399 cc engine and aggressive 11.5:1 Compression Ratio, the Ninja 400 has the capacity to produce a top speed of 110-116 mph(177-186 kph).
Is the Ninja 400 faster than the YZF-R3?
Kawasaki 400 is faster than the R3 because it has a big engine displacement with a top speed of 110 mph – 116 mph with 47.5 bhp @ 10,000 rpm and 38 Nm torque @ 8,000 rpm. On the other hand, Yamaha YZF R3’s top speed ranges from 90 mph – 95 mph, with 40.8 bhp @ 10,750 rpm and 29.6 Nm torque @ 9,000 rpm.
Is the Ninja 400 quick?
Yes, Kawasaki Ninja 400 is a pretty quick bike that can accelerate from 0 to 60 mph in 4.35 seconds and run the quarter mile in 13.2 seconds.
Is it worth it to buy Ninja 400?
Yes, it is worth buying the Ninja 400. Undoubtedly, the 2022 Kawasaki Ninja 400 is the best sub-400 cc super sport on the market. Beginners or women who want to learn how to ride should definitely consider the bike. In addition to being very economical, this bike is aesthetically pleasing, which will make you like it for a long time.

Rand Frankey is OffRoadsCare freelance Content Editor. He loves offroad Travelling and bikes, jeeps, and dirk bikes. He will explain all his experience with dirt bikes and offroad vehicles which helps you to make a decision like which vehicle is right for you.