Positioned in Kawasaki's sport motorcycle lineup, the 2012 Kawasaki Ninja 400R pairs a 399 cc (24.4 cu in) liquid-cooled twin, four-stroke architecture with road-focused gearing.
On the scales, the Ninja 400R measures 203 kg (448 lbs) wet (curb). Rider ergonomics and chassis geometry center around a 790 mm (31.1 in) seat height — offering a neutral standover height that accommodates most average-inseam riders without sacrificing cornering clearance, combined with a 1,410 mm (55.5 in) wheelbase engineered for quick, flickable steering geometry. The 15.52-liter (4.1 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Kawasaki archive, this model family spans 3 indexed model years from 2011 to 2013, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Standover Height
790 mm (31.1 in)
Engine
Displacement399.0 ccm (24.35 cubic inches)
Engine TypeTwin, four-stroke
Engine DetailsTwin, four-stroke
Valves/Cylinder4
Fuel SystemInjection. Digital Fuel Injection
Fuel ControlDouble Overhead Cams/Twin Cam (DOHC)
IgnitionTCBI with electronic advance
CoolingLiquid
Transmission
Gearbox6-speed
Final DriveChain (final drive)
DrivelineO-Ring Chain
Chassis
Frame TypeSemi-double cradle, high-tensile steel
Front Suspension41mm hydraulic telescopic fork
Front Travel119 mm (4.7 inches)
Rear SuspensionSingle offset laydown shock with adjustable spring preload
Rear Travel124 mm (4.9 inches)
Wheelbase1410 mm (55.5 inches)
Wheels & Brakes
Front Tyre120/70-17
Rear Tyre160/60-17
Front BrakesDouble disc. Optional ABS. Triple petal.
Rear BrakesSingle disc. Optional ABS
Wheels6-spoke black rims
Dimensions & Weight
Weight incl.203.0 kg (447.5 pounds)
Seat Height790 mm (31.1 inches) If adjustable, lowest setting.
Overall Height1199 mm (47.2 inches)
Overall Length2101 mm (82.7 inches)
Overall Width759 mm (29.9 inches)
Fuel Capacity15.52 litres (4.10 US gallons)
Other
StarterElectric
Color OptionsGreen/black
InstrumentsRed digital speedometer, tachometer bar graph style, fuel gauge, clock, odomete
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
