Kawasaki ZX-25R
45 hp, 249 cc2020
Yamaha MT-03
41 hp, 321 cc2016 - 2018
MetricUS
EngineKawasaki ZX-25RYamaha MT-03
Displacement249 cc321 cc
Max power45 hp (@12 000 RPM)41 hp (@10 750 RPM)
Max torque33 Nm (@9 000 RPM)30 Nm (@9 000 RPM)
Redline17 000 RPM12 500 RPM
Idling speed1 200 RPM1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-4DOHC Inline-2
Compression11.20:1
Oil capacity2.40 litre
Oil type10W40, Yamalube 10W40, Shell Rotella 10W40
Spark plug typeNGK CR8E
CoolingLiquidLiquid
Valves8
Bore68.0 mm
Stroke44.1 mm
Battery typeGTZ8V
GearboxKawasaki ZX-25RYamaha MT-03
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type
Gears count06
Primary ratio3.043
Final drive3.071
1. gear2.5 (63 km/h)
2. gear1.824 (87 km/h)
3. gear1.348 (117 km/h)
4. gear1.087 (146 km/h)
5. gear0.92 (172 km/h)
6. gear0.8 (198 km/h)
ChasisKawasaki ZX-25RYamaha MT-03
Frame typeDiamond
Front susp.41mm Telescopic fork, 130.00 mm travel
Rear susp.Swingarm, 125.00 mm travel