The Kawasaki Ninja 400 motorcycle specifications include a 399 cc (24.35 cu in) engine, a 6-speed gearbox, and a listed weight of 209 kg (460.8 lb).
Key specifications
2014, 2015, 2016, 2018, 2019, 2021, 2022, 2023Model years
399 ccDisplacement
37.0 Nm @ 7,500 rpmTorque
209 kgWet weight
805 mmSeat height
15 LFuel tank
1,410 mmWheelbase
130 mmGround clearance
Model years covered
20142015201620182019202120222023
Year-specific specification changes
The 2014 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
Bore × stroke
2018201970.0 x 51.7 mm (2.8 x 2.0 inches)
2021202370.0 x 51.8 mm (2.8 x 2.0 inches)
Compression ratio
2018202311.5:1
Frame
2016Diamond
20182023Trellis, high-tensile steel
Front brakes
2016Single disc. Hydraulic. Two-piston calipers.
2018Single disc. Hydraulic. Two-piston calipers. ABS.
2019Single disc. Hydraulic. Two-piston calipers.
20212023Single disc. Single petal-type disc with 2-piston calipers. Optional ABS.
Front suspension
20162019Telescopic fork
Front tire
2016120/70-ZR17
20182023110/70-17
Fuel system
2016Injection
20182019Injection. DFI® with 32mm throttle bodies
2021Injection
20222023Injection. DFI® with dual 32mm throttle bodies
Rear brakes
2016Single disc. Hydraulic. Two-piston calipers.
2018Single disc. Hydraulic. Two-piston calipers. ABS.
2019Single disc. Hydraulic. Two-piston calipers.
20212023Single disc. Single petal-type disc with single-piston caliper. Optional ABS.
Rear suspension
2016Swing-arm
20182019Bottom-link Uni-Trak®, swingarm adjustable preload
20212023Horizontal back-link with adjustable spring preload
Rear tire
2016160/60-ZR17
2018150/70-17
2019150/60-17
20212023150/70-17
Torque
201938.0 Nm (3.9 kgf-m or 28.0 ft.lbs) @ 8,000 rpm
Wet weight
2015211 kg (465.2 lb)
2018166 kg (366 lb)
2019168 kg (370.4 lb)
Wheelbase
201620181,405 mm (55.3 inches)
20191,370 mm (53.9 inches)
202120231,369 mm (53.9 inches)
Front wheel travel
2015120 mm (4.7 inches)
20162019125 mm (4.9 inches)
Fuel capacity
201515.50 L (4.10 US gal)
201914.00 L (3.70 US gal)
202120233.70 L (0.98 US gal)
Ground clearance
20212023140 mm (5.5 inches)
Ignition
20182019TCBI with digital advance
20212023TCBI w/digital advance
Lubrication
2019Forced lubrication, wet sump
Overall height
20151,199 mm (47.2 inches)
201620181,180 mm (46.5 inches)
201920231,120 mm (44.1 inches)
Overall length
20152,101 mm (82.7 inches)
20191,990 mm (78.3 inches)
202120231,989 mm (78.3 inches)
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) @ 7,500 rpm |
| Bore × stroke | 68.4 x 54.3 mm (2.7 x 2.1 inches) |
| Compression ratio | 11.0:1 |
| Valves per cylinder | 4 |
| Cooling system | Liquid |
| Fuel system | Injection. Digital |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Ignition | TCBI with electronic advance |
| Starter | Electric |
| Lubrication | Semi-dry sump |
Transmission and drivetrain
| Gearbox | 6-speed |
|---|---|
| Final drive | Chain (final drive) |
Chassis and suspension
| Frame | Diamond, high-tensile steel |
|---|---|
| Front suspension | 41mm hydraulic telescopic fork |
| Rear suspension | Single offset laydown shock with adjustable spring preload |
| Front wheel travel | 119 mm (4.7 inches) |
| Rear wheel travel | 124 mm (4.9 inches) |
| Rake | 25.0° |
| Trail | 106 mm (4.2 inches) |
Brakes, wheels and tires
| Front brakes | Double disc. Optional ABS. Triple petal. |
|---|---|
| Rear brakes | Single disc. Optional ABS |
| Front tire | 120/70-17 |
| Rear tire | 160/60-17 |
| Wheels | 6-spoke black rims |
Dimensions and weight
| Wet weight | 209 kg (460.8 lb) |
|---|---|
| Seat height | 805 mm (31.7 inches) |
| Overall length | 2,110 mm (83.1 inches) |
| Overall width | 770 mm (30.3 inches) |
| Overall height | 1,200 mm (47.2 inches) |
| Wheelbase | 1,410 mm (55.5 inches) |
| Ground clearance | 130 mm (5.1 inches) |
Fuel and emissions
| Fuel capacity | 15.00 L (3.96 US gal) |
|---|
Electrical and instruments
| Instruments | Red digital speedometer, tachometer bar graph style, fuel gauge, clock, odomete |
|---|
Other specifications
| Color options | Green/black, red/black |
|---|---|
| Seat | Dual seat |
| Factory warranty | 12 months |
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.