Sportbikes
2012Kawasaki Ninja 400R
43 fields on record
The 2012 Kawasaki Ninja 400R is an accessible sport bike designed for beginner and intermediate riders seeking an affordable entry point into sportbike performance. Powered by a 399cc liquid-cooled twin-cylinder four-stroke engine with digital fuel injection, it delivers nimble handling and manageable power in a lightweight package. Known for its aggressive Ninja styling and reliable engineering, it remains a popular choice for new riders transitioning from smaller displacement motorcycles. A factory ABS option was also available.
- Capacity
- 399.0 ccm
- Engine
- Parallel Twin, four-stroke
- Gearbox
- 6-speed
- Dry weight
- 190.0 kg
- Seat height
- 790 mm
- Power
- 44.8 HP (33.0 kW)
What’s new for the 2012 Kawasaki Ninja 400R
vs the 2011| Spec | 2011 | 2012 |
|---|---|---|
| Front suspension | 41mm hydraulic telescopic fork / 4.7 in. | 41mm hydraulic telescopic fork |
| Rear suspension | Single offset laydown shock with adjustable spring preload / 4.9 in. | Single offset laydown shock with adjustable spring preload |
| Front brakes | Double disc. Optional ABS | Double disc. Optional ABS. Triple petal. |
| Rear brakes | Single disc | Single disc. Optional ABS |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Designed as an entry-level sport bike for learning cornering, throttle control, and everyday commuting with sporty styling.
- Built for
- Friendly, forgiving, and eager to be revved, with just enough performance to feel exciting without being intimidating.
- Not ideal for
- Not suited for riders seeking serious highway touring comfort or genuine high-speed track performance.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usRange and running costs
Worked out in your browser - nothing is sent to usBased on the published US (EPA-style) fuel economy estimate and tank size. Real-world figures depend on how and where you ride, and the last litres of a tank are reserve. Prices shown greyed are examples - type your own.
Engine
- Capacity
- 399.0 ccm
- Power
- 44.8 HP (33.0 kW)
- CO2 Emissions
- 96 CO2 g/km
- EPA Certificate No.
- CKAXC.399AAA-012
- EPA Est. Fuel Consumption
- 4.09 L/100km (57.5 US mpg)
- EPA CO Emissions
- 1.6 CO g/km
- Engine type
- Parallel Twin, four-stroke
- Power/weight ratio
- 0.2358 HP/kg (dry)
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Electric
- Ignition
- TCBI with electronic advance
- Aspiration
- Naturally aspirated
- Valves per cylinder
- 4
- Lubrication system
- Forced lubrication (semi-dry sump)
- Torque
- Not on record - add it
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
Dimensions & weight
- Wheelbase
- 1410 mm
- Overall length
- 2101 mm
- Overall width
- 759 mm
- Overall height
- 1199 mm
- Seat height
- 790 mm
- Dry weight
- 190.0 kg
- Wet weight
- 203.0 kg
- Fuel capacity
- 15.50 litres
Chassis & suspension
- Frame
- Semi-double cradle, high-tensile steel
- Front suspension
- 41mm hydraulic telescopic fork
- Rear suspension
- Single offset laydown shock with adjustable spring preload
- Front wheel travel
- 119 mm
- Rear wheel travel
- 124 mm
- Rake (fork angle)
- 25.0°
- Trail
- 106 mm
Brakes & wheels
- Front brakes
- Double disc. Optional ABS. Triple petal.
- Front brakes diameter
- 300 mm
- Rear brakes
- Single disc. Optional ABS
- Rear brakes diameter
- 220 mm
- ABS
- Optional
- Front tyre
- 120/70-17
- Rear tyre
- 160/60-17
Other
- Color options
- Green/black
- Fuel Tank Material
- Metal
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 2011 | 2012 | 2013 |
|---|---|---|---|
| Capacity | 399 cc | 399 cc | 399 cc |
| Dry weight | 190 kg | 190 kg | 190 kg |
| Seat height | 790 mm | 790 mm | 790 mm |
| Fuel capacity | 15.5 L | 15.5 L | 15.5 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Kawasaki Ninja 400R?
The 2012 Kawasaki Ninja 400R has a Capacity of 399.0 ccm (24.35 cubic inches).
What engine power does the Kawasaki Ninja 400R have?
The 2012 Kawasaki Ninja 400R has a Power of 44.8 HP (33.0 kW).
How many gears does the Kawasaki Ninja 400R have?
The 2012 Kawasaki Ninja 400R has a Gearbox of 6-speed.
How much does the Kawasaki Ninja 400R weigh?
The 2012 Kawasaki Ninja 400R has a Dry weight of 190.0 kg (418.9 pounds).
Shop this bike
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Similar bikes
Same category, weighted similarity
2012 Suzuki GSR 400 ABS
398 cc · 190 kg · 770 mm
2011 Suzuki GSR 400 ABS
398 cc · 190 kg · 770 mm
2013 Kawasaki Ninja 400R Special Edition
399 cc · 184 kg · 790 mm
2012 Honda CB400 Super Four
399 cc · 194 kg · 755 mm
2012 Honda CB400 Super Bol Dor
399 cc · 198 kg · 755 mm
2011 Honda CB400 Super Four
399 cc · 194 kg · 755 mm
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