Kawasaki Entry-level sportbike
Ninja 400 specs
Current and prior-year spec data for the Kawasaki Ninja 400, including trims, colors, chassis numbers, electronics, and source links.
Compare the Ninja 400 → See Ninja 400 owners →
Year: 2026 2025 2024 2023 2022 2021
Model note
Kawasaki Ninja 400
The 399cc parallel-twin entry sport that dominated the segment — light, accessible, and the go-to spec-class race bike. Largely replaced by the Ninja 500 in newer US years but still in current lineup.
Model-year table
Side-by-side specs
Specs are normalized into shared fields so different brands can be compared without losing the source trail.
2026
Kawasaki Ninja 400
Base / ABS / KRT Edition
$5,599 MSRP
Pearl Storm Gray
Lime Green/Ebony
- Engine
- 399cc liquid-cooled DOHC parallel-twin
- Bore Stroke
- 70.0 x 51.8 mm
- Compression
- 11.5:1
- Fuel System
- Fuel injection
- Transmission
- 6-speed with assist-and-slipper clutch
- Final Drive
- Chain
- Front Suspension
- 41 mm telescopic fork
- Rear Suspension
- Single shock, adjustable preload
- Front Brakes
- 310 mm petal disc with ABS
- Rear Brakes
- 220 mm petal disc with ABS
- Tires
- 110/70R17 front, 150/60R17 rear
- Wheelbase
- 53.9 in
- Seat Height
- 30.9 in
- Curb Weight
- 366 lb
- Fuel Capacity
- 3.7 gal
Electronics
ABS
2025
Kawasaki Ninja 400
Base / ABS / KRT Edition
$5,499 MSRP
Pearl Storm Gray
Lime Green/Ebony
- Engine
- 399cc liquid-cooled DOHC parallel-twin
- Bore Stroke
- 70.0 x 51.8 mm
- Compression
- 11.5:1
- Fuel System
- Fuel injection
- Transmission
- 6-speed with assist-and-slipper clutch
- Final Drive
- Chain
- Front Suspension
- 41 mm telescopic fork
- Rear Suspension
- Single shock, adjustable preload
- Front Brakes
- 310 mm petal disc with ABS
- Rear Brakes
- 220 mm petal disc with ABS
- Tires
- 110/70R17 front, 150/60R17 rear
- Wheelbase
- 53.9 in
- Seat Height
- 30.9 in
- Curb Weight
- 366 lb
- Fuel Capacity
- 3.7 gal
Electronics
ABS
2024
Kawasaki Ninja 400
Base / ABS / KRT Edition
$5,299 MSRP
Pearl Storm Gray
Lime Green/Ebony
- Engine
- 399cc liquid-cooled DOHC parallel-twin
- Bore Stroke
- 70.0 x 51.8 mm
- Compression
- 11.5:1
- Fuel System
- Fuel injection
- Transmission
- 6-speed with assist-and-slipper clutch
- Final Drive
- Chain
- Front Suspension
- 41 mm telescopic fork
- Rear Suspension
- Single shock, adjustable preload
- Front Brakes
- 310 mm petal disc with ABS
- Rear Brakes
- 220 mm petal disc with ABS
- Tires
- 110/70R17 front, 150/60R17 rear
- Wheelbase
- 53.9 in
- Seat Height
- 30.9 in
- Curb Weight
- 366 lb
- Fuel Capacity
- 3.7 gal
Electronics
ABS
2023
Kawasaki Ninja 400
Base / ABS / KRT Edition
$5,299 MSRP
Pearl Storm Gray
Lime Green/Ebony
- Engine
- 399cc liquid-cooled DOHC parallel-twin
- Bore Stroke
- 70.0 x 51.8 mm
- Compression
- 11.5:1
- Fuel System
- Fuel injection
- Transmission
- 6-speed with assist-and-slipper clutch
- Final Drive
- Chain
- Front Suspension
- 41 mm telescopic fork
- Rear Suspension
- Single shock, adjustable preload
- Front Brakes
- 310 mm petal disc with ABS
- Rear Brakes
- 220 mm petal disc with ABS
- Tires
- 110/70R17 front, 150/60R17 rear
- Wheelbase
- 53.9 in
- Seat Height
- 30.9 in
- Curb Weight
- 366 lb
- Fuel Capacity
- 3.7 gal
Electronics
ABS
2022
Kawasaki Ninja 400
Base / ABS / KRT Edition
MSRP
Pearl Storm Gray
Lime Green/Ebony
- Engine
- 399cc liquid-cooled DOHC parallel-twin
- Bore Stroke
- 70.0 x 51.8 mm
- Compression
- 11.5:1
- Fuel System
- Fuel injection
- Transmission
- 6-speed with assist-and-slipper clutch
- Final Drive
- Chain
- Front Suspension
- 41 mm telescopic fork
- Rear Suspension
- Single shock, adjustable preload
- Front Brakes
- 310 mm petal disc with ABS
- Rear Brakes
- 220 mm petal disc with ABS
- Tires
- 110/70R17 front, 150/60R17 rear
- Wheelbase
- 53.9 in
- Seat Height
- 30.9 in
- Curb Weight
- 366 lb
- Fuel Capacity
- 3.7 gal
Electronics
ABS
2021
Kawasaki Ninja 400
Base / ABS / KRT Edition
MSRP
Pearl Storm Gray
Lime Green/Ebony
- Engine
- 399cc liquid-cooled DOHC parallel-twin
- Bore Stroke
- 70.0 x 51.8 mm
- Compression
- 11.5:1
- Fuel System
- Fuel injection
- Transmission
- 6-speed with assist-and-slipper clutch
- Final Drive
- Chain
- Front Suspension
- 41 mm telescopic fork
- Rear Suspension
- Single shock, adjustable preload
- Front Brakes
- 310 mm petal disc with ABS
- Rear Brakes
- 220 mm petal disc with ABS
- Tires
- 110/70R17 front, 150/60R17 rear
- Wheelbase
- 53.9 in
- Seat Height
- 30.9 in
- Curb Weight
- 366 lb
- Fuel Capacity
- 3.7 gal
Electronics
ABSUsed market
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