Kawasaki ZX-25R
45 hp, 249 cc2020
Honda CBR250RR
45 hp, 249 cc, 346 lbs1990 - 1993
EngineKawasaki ZX-25RHonda CBR250RR
Displacement249 cc249 cc
Max power45 hp (@12 000 RPM)45 hp (@15 000 RPM)
Max torque24 lb ft (@9 000 RPM)15 lb ft (@12 000 RPM)
Redline17 000 RPM19 000 RPM
Idling speed1 200 RPM1 200 RPM
ManagementFuel InjectionCarburetor
LayoutDOHC Inline-4DOHC Inline-4
Compression11.50:1
Oil capacity2.56 quart
Oil typeSAE10W–40, SAE20W–50
Spark plug typeNGK CR9EH–9, NGK CR9EHVX–9
CoolingLiquidLiquid
Valves16
Bore48.5 mm
Stroke33.8 mm
Weight to power7.69 lbs/hp
Power to weight325 hp/2500lbs
Battery type12V 8Ah, YTLBX7
GearboxKawasaki ZX-25RHonda CBR250RR
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain typeDID428VS1, RK428SMO
Gears count06
Primary ratio2.966
Final drive3.058
1. gear2.733 (54 mph)
2. gear2.0 (73 mph)
3. gear1.59 (93 mph)
4. gear1.333 (111 mph)
5. gear1.153 (127 mph)
6. gear1.035 (142 mph)
ChasisKawasaki ZX-25RHonda CBR250RR
Frame typeBackbone steel
Front susp.37mm forks
Rear susp.Monoshock