Kawasaki ER6N
72 hp, 649 cc, 206 kg2005 - 2008
Kawasaki ZX-25R
45 hp, 249 cc2020
MetricUS
EngineKawasaki ER6NKawasaki ZX-25R
Displacement649 cc249 cc
Max power72 hp (@8 500 RPM)45 hp (@12 000 RPM)
Max torque66 Nm (@7 000 RPM)33 Nm (@9 000 RPM)
Redline11 000 RPM17 000 RPM
Idling speed1 200 RPM1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-2DOHC Inline-4
Compression11.30:1
Oil capacity2.40 litre
Oil type10W40
Spark plug typeNGK CR9EIA-9
CoolingLiquidLiquid
Valves8
Bore83.0 mm
Stroke60.0 mm
Throttle bore38.0 mm
Weight to power2.86 kg/hp
Power to weight349 hp/Ton
Battery type12V 10Ah
GearboxKawasaki ER6NKawasaki ZX-25R
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain typeEnuma EK520MVXL 114 links
Gears count60
Primary ratio2.095
Final drive3.067
1. gear2.438 (83 km/h)
2. gear1.714 (117 km/h)
3. gear1.333 (151 km/h)
4. gear1.111 (181 km/h)
5. gear0.966 (208 km/h)
6. gear0.852 (236 km/h)
ChasisKawasaki ER6NKawasaki ZX-25R
Frame typeTubular steel cradle
Front susp.41mm fork, 120 mm travel
Rear susp.Side mounted mono shock, 125.00 mm travel