Kawasaki Ninja 400 Performance Specs (Top Speed | Horsepower | Weight)

The Kawasaki Ninja 400 Performance motorcycle specifications include a 399 cc (24.35 cu in) engine, a 6-speed gearbox, and a listed weight of 168 kg (370.4 lb).

Key specifications

2023Year released
399 ccDisplacement
37.0 Nm @ 8,000 rpmTorque
168 kgDry weight
785 mmSeat height
14 LFuel tank
1,369 mmWheelbase
140 mmGround clearance

How the Kawasaki Ninja 400 Performance compares

This compares the motorcycle with all Kawasaki models in this specifications database. The blue marker is this model and the grey line is the Kawasaki database average.

Displacement399 cc
Low 84 ccAverage 687 ccHigh 1,700 cc

About 42% lower than the Kawasaki database average. Around the 32nd percentile across Kawasaki models.

Seat height785 mm
Low 680 mmAverage 801 mmHigh 955 mm

Very close to the Kawasaki database average. Around the 35th percentile across Kawasaki models.

Fuel capacity14 L
Low 3.8 LAverage 15.3 LHigh 24 L

About 8% smaller than the Kawasaki database average. Around the 37th percentile across Kawasaki models.

This model Kawasaki database average

Kawasaki database percentile rankings

Percentiles show where this motorcycle sits across the Kawasaki specifications database. They are descriptive database rankings, not performance ratings.

Displacement32nd

399 cc — larger displacement than about 32% of Kawasaki models.

Seat height35th

785 mm — taller than about 35% of Kawasaki models.

Fuel capacity37th

14 L — larger than about 37% of Kawasaki fuel tanks in this database.

Dimensions compared with Kawasaki average

Each measurement is compared with the average value across Kawasaki models where that dimension is available.

Overall length1,989 mm
This bike

1,989

Kawasaki avg

2,122

6% below average.

Overall width711 mm
This bike

711

Kawasaki avg

833

15% below average.

Overall height1,120 mm
This bike

1,120

Kawasaki avg

1,175

5% below average.

Wheelbase1,369 mm
This bike

1,369

Kawasaki avg

1,441

5% below average.

Seat height785 mm
This bike

785

Kawasaki avg

801

Close to average.

Ground clearance140 mm
This bike

140

Kawasaki avg

187

25% below average.

Mechanical overview

Engine layout snapshot

Twin, four-stroke • 399 cc • Liquid cooled
Chassis snapshot

Wheelbase 1,369 mmSeat 785 mmClearance 140 mm
6-speed • Chain (final drive) • 110/70-R17 front / 150/70-R17 rear

Additional useful specifications

Front tire size 110/70-R17
Rear tire size 150/70-R17
Bore/stroke ratio 1.35:1 (Oversquare)

Model information

Year released 2023
Category Sport

Engine specifications

Engine type Twin, four-stroke
Displacement 399 cc (24.35 cu in)
Torque 37.0 Nm (3.8 kgf-m or 27.3 ft.lbs) @ 8,000 rpm
Bore × stroke 70.0 x 51.8 mm (2.8 x 2.0 inches)
Compression ratio 11.5:1
Valves per cylinder 4
Cooling system Liquid
Fuel system Injection. DFI® with dual 32mm throttle bodies
Fuel control Double Overhead Cams/Twin Cam (DOHC)
Ignition TCBI w/digital advance
Starter Electric
Lubrication Forced lubrication, wet sump

Transmission and drivetrain

Gearbox 6-speed
Final drive Chain (final drive)
Clutch Wet multi-disc, manual. Assist and Slipper.

Chassis and suspension

Frame Trellis, high-tensile steel
Front suspension 41mm hydraulic telescopic fork
Rear suspension Bottom-Link Uni-Trak, gas-charged shock with adjustable preload
Front wheel travel 119 mm (4.7 inches)
Rear wheel travel 130 mm (5.1 inches)
Rake 24.7°
Trail 92 mm (3.6 inches)

Brakes, wheels and tires

Front brakes Single disc. Single petal-type disc with 2-piston calipers. Optional ABS.
Rear brakes Single disc. Single petal-type disc with single-piston caliper. Optional ABS.
Front tire 110/70-R17
Rear tire 150/70-R17

Dimensions and weight

Dry weight 168 kg (370.4 lb)
Seat height 785 mm (30.9 inches)
Overall length 1,989 mm (78.3 inches)
Overall width 711 mm (28.0 inches)
Overall height 1,120 mm (44.1 inches)
Wheelbase 1,369 mm (53.9 inches)
Ground clearance 140 mm (5.5 inches)

Fuel and emissions

Fuel capacity 14.00 L (3.70 US gal)

Performance

Power/weight ratio 0.2679 hp/kg

Other specifications

Color options Metallic Carbon Gray/Metallic Matte Carbon Gray, Lime Green/Ebony
Factory warranty 12 Month Limited Warranty
Comments Small windscreen. Economical Riding Indicator.

Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Kawasaki models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Kawasaki information before relying on them. Visit the official Kawasaki website.