Kawasaki ER6N
72 hp, 649 cc, 454 lbs2005 - 2008
Kawasaki ZX-25R
45 hp, 249 cc2020
EngineKawasaki ER6NKawasaki ZX-25R
Displacement649 cc249 cc
Max power72 hp (@8 500 RPM)45 hp (@12 000 RPM)
Max torque48 lb ft (@7 000 RPM)24 lb ft (@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 capacity2.27 quart
Oil type10W40
Spark plug typeNGK CR9EIA-9
CoolingLiquidLiquid
Valves8
Bore83.0 mm
Stroke60.0 mm
Throttle bore38.0 mm
Weight to power6.31 lbs/hp
Power to weight396 hp/2500lbs
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 (52 mph)
2. gear1.714 (73 mph)
3. gear1.333 (94 mph)
4. gear1.111 (112 mph)
5. gear0.966 (129 mph)
6. gear0.852 (147 mph)
ChasisKawasaki ER6NKawasaki ZX-25R
Frame typeTubular steel cradle
Front susp.41mm fork, 120 mm travel
Rear susp.Side mounted mono shock, 4.92 in travel