Kawasaki ER6N
72 hp, 649 cc, 206 kg2005 - 2008
Kawasaki Ninja 400
49 hp, 399 cc, 166 kg2018 - 2020
MetricUS
EngineKawasaki ER6NKawasaki Ninja 400
Displacement649 cc399 cc
Max power72 hp (@8 500 RPM)49 hp (@10 000 RPM)
Max torque66 Nm (@7 000 RPM)38 Nm (@8 000 RPM)
Redline11 000 RPM9 500 RPM
Idling speed1 200 RPM1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-2DOHC Inline-2
Compression11.30:111.60:1
Oil capacity2.40 litre
Oil type10W40
Spark plug typeNGK CR9EIA-9
CoolingLiquidLiquid
Valves88
Bore83.0 mm70.0 mm
Stroke60.0 mm51.8 mm
Throttle bore38.0 mm32.0 mm
Weight to power2.86 kg/hp3.39 kg/hp
Power to weight349 hp/Ton295 hp/Ton
Battery type12V 10Ah
GearboxKawasaki ER6NKawasaki Ninja 400
TypeSequentialSequential
ClutchWetSlipper
DriveChainChain
Chain typeEnuma EK520MVXL 114 links
Gears count66
Primary ratio2.0952.219
Final drive3.0672.929
1. gear2.438 (83 km/h)2.929 (58 km/h)
2. gear1.714 (117 km/h)2.056 (82 km/h)
3. gear1.333 (151 km/h)1.619 (104 km/h)
4. gear1.111 (181 km/h)1.333 (126 km/h)
5. gear0.966 (208 km/h)1.154 (146 km/h)
6. gear0.852 (236 km/h)1.037 (163 km/h)
ChasisKawasaki ER6NKawasaki Ninja 400
Frame typeTubular steel cradleSteel trellis frame
Front susp.41mm fork, 120 mm travel41mm fork, 120.00 mm travel
Rear susp.Side mounted mono shock, 125.00 mm travelMonoshock, 130.00 mm travel