Kawasaki ER6N
72 hp, 649 cc, 454 lbs2005 - 2008
Kawasaki ER5
50 hp, 498 cc, 425 lbs1999 - 2005
EngineKawasaki ER6NKawasaki ER5
Displacement649 cc498 cc
Max power72 hp (@8 500 RPM)50 hp (@9 000 RPM)
Max torque48 lb ft (@7 000 RPM)18 lb ft (@7 200 RPM)
Redline11 000 RPM10 500 RPM
Idling speed1 200 RPM1 200 RPM
ManagementFuel InjectionCarburetor
LayoutDOHC Inline-2DOHC Inline-2
Compression11.30:19.80:1
Oil capacity2.27 quart3.22 quart
Oil type10W4010W40
Spark plug typeNGK CR9EIA-9NGK DR9EA, DENSO X27ESR-U
CoolingLiquidLiquid
Valves88
Bore83.0 mm74.0 mm
Stroke60.0 mm58.0 mm
Throttle bore38.0 mm
Weight to power6.31 lbs/hp8.51 lbs/hp
Power to weight396 hp/2500lbs293 hp/2500lbs
Battery type12V 10Ah12V 10Ah
GearboxKawasaki ER6NKawasaki ER5
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain typeEnuma EK520MVXL 114 links
Gears count66
Primary ratio2.0952.652
Final drive3.0672.47
1. gear2.438 (52 mph)2.571 (45 mph)
2. gear1.714 (73 mph)1.722 (67 mph)
3. gear1.333 (94 mph)1.333 (86 mph)
4. gear1.111 (112 mph)1.125 (102 mph)
5. gear0.966 (129 mph)0.961 (120 mph)
6. gear0.852 (147 mph)0.851 (135 mph)
ChasisKawasaki ER6NKawasaki ER5
Frame typeTubular steel cradleSteel cradle frame
Front susp.41mm fork, 120 mm travelFork
Rear susp.Side mounted mono shock, 4.92 in travelDual shock