Kawasaki ER5
50 hp, 498 cc, 425 lbs1999 - 2005
Triumph Trident
80 hp, 660 cc, 419 lbs2021
EngineKawasaki ER5Triumph Trident
Displacement498 cc660 cc
Max power50 hp (@9 000 RPM)80 hp (@10 250 RPM)
Max torque18 lb ft (@7 200 RPM)46 lb ft (@6 250 RPM)
Redline10 500 RPM10 500 RPM
Idling speed1 200 RPM1 200 RPM
ManagementCarburetorFuel Injection
LayoutDOHC Inline-2DOHC Inline-3
Compression9.80:1
Oil capacity3.22 quart
Oil type10W40
Spark plug typeNGK DR9EA, DENSO X27ESR-U
CoolingLiquidLiquid
Valves8
Bore74.0 mm74.0 mm
Stroke58.0 mm51.1 mm
Weight to power8.51 lbs/hp5.24 lbs/hp
Power to weight293 hp/2500lbs477 hp/2500lbs
Battery type12V 10Ah
GearboxKawasaki ER5Triumph Trident
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type
Gears count60
Primary ratio2.652
Final drive2.47
1. gear2.571 (45 mph)
2. gear1.722 (67 mph)
3. gear1.333 (86 mph)
4. gear1.125 (102 mph)
5. gear0.961 (120 mph)
6. gear0.851 (135 mph)
ChasisKawasaki ER5Triumph Trident
Frame typeSteel cradle frame
Front susp.ForkShowa USD
Rear susp.Dual shock