Honda CBR250RR
45 hp, 249 cc, 157 kg1990 - 1993
Yamaha R3
42 hp, 321 cc, 166 kg2019 - 2020
MetricUS
EngineHonda CBR250RRYamaha R3
Displacement249 cc321 cc
Max power45 hp (@15 000 RPM)42 hp (@10 750 RPM)
Max torque21 Nm (@12 000 RPM)29 Nm (@9 000 RPM)
Redline19 000 RPM12 245 RPM
Idling speed1 200 RPM1 200 RPM
ManagementCarburetorFuel Injection
LayoutDOHC Inline-4DOHC Inline-2
Compression11.50:111.20:1
Oil capacity2.70 litre2.40 litre
Oil typeSAE10W–40, SAE20W–5010W40, Motul 300V 10W40, Shell Rotella 10W40
Spark plug typeNGK CR9EH–9, NGK CR9EHVX–9NGK CR8E
CoolingLiquidLiquid
Valves164
Bore48.5 mm68.0 mm
Stroke33.8 mm44.1 mm
Throttle bore32.0 mm
Weight to power3.49 kg/hp3.95 kg/hp
Power to weight286 hp/Ton253 hp/Ton
Battery type12V 8Ah, YTLBX712V, 7.0 Ah, GTZ8V
GearboxHonda CBR250RRYamaha R3
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain typeDID428VS1, RK428SMO
Gears count66
Primary ratio2.9663.043
Final drive3.0583.071
1. gear2.733 (87 km/h)2.5 (62 km/h)
2. gear2.0 (118 km/h)1.824 (85 km/h)
3. gear1.59 (149 km/h)1.348 (115 km/h)
4. gear1.333 (178 km/h)1.087 (143 km/h)
5. gear1.153 (205 km/h)0.92 (169 km/h)
6. gear1.035 (229 km/h)0.8 (194 km/h)
ChasisHonda CBR250RRYamaha R3
Frame typeBackbone steelSteel trellis
Front susp.37mm forksKYB USD, 129 mm travel
Rear susp.MonoshockSwingarm, spring/shock absorber, coil spring/oil damper, 130 mm travel
Dyno chart of 2019 Yamaha R3