Kawasaki ER5
50 hp, 498 cc, 425 lbs1999 - 2005
Ducati Streetfighter S
155 hp, 1099 cc, 434 lbs2009 - 2013
EngineKawasaki ER5Ducati Streetfighter S
Displacement498 cc1099 cc
Max power50 hp (@9 000 RPM)155 hp (@9 500 RPM)
Max torque18 lb ft (@7 200 RPM)84 lb ft (@9 500 RPM)
Redline10 500 RPM10 700 RPM
Idling speed1 200 RPM1 200 RPM
ManagementCarburetorFuel Injection
LayoutDOHC Inline-2DOHC Desmodue V2
Compression9.80:112.50:1
Oil capacity3.22 quart
Oil type10W40
Spark plug typeNGK DR9EA, DENSO X27ESR-U
CoolingLiquidLiquid
Valves88
Bore74.0 mm104.0 mm
Stroke58.0 mm64.7 mm
Weight to power8.51 lbs/hp2.80 lbs/hp
Power to weight293 hp/2500lbs892 hp/2500lbs
Battery type12V 10Ah
GearboxKawasaki ER5Ducati Streetfighter S
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type
Gears count66
Primary ratio2.6521.84
Final drive2.472.533
1. gear2.571 (45 mph)2.466 (70 mph)
2. gear1.722 (67 mph)1.764 (97 mph)
3. gear1.333 (86 mph)1.4 (123 mph)
4. gear1.125 (102 mph)1.181 (146 mph)
5. gear0.961 (120 mph)1.043 (165 mph)
6. gear0.851 (135 mph)0.958 (179 mph)
ChasisKawasaki ER5Ducati Streetfighter S
Frame typeSteel cradle frameTubular steel Trellis frame
Front susp.ForkÖhlins 43mm USD, 4.72 in travel
Rear susp.Dual shockÖhlins monoshock, single sided swingarm, 5.00 in travel