Yamaha R3
42 hp, 321 cc, 166 kg2019 - 2020
Honda CBR250RR
45 hp, 249 cc, 157 kg1990 - 1993
MetricUS
EngineYamaha R3Honda CBR250RR
Displacement321 cc249 cc
Max power42 hp (@10 750 RPM)45 hp (@15 000 RPM)
Max torque29 Nm (@9 000 RPM)21 Nm (@12 000 RPM)
Redline12 245 RPM19 000 RPM
Idling speed1 200 RPM1 200 RPM
ManagementFuel InjectionCarburetor
LayoutDOHC Inline-2DOHC Inline-4
Compression11.20:111.50:1
Oil capacity2.40 litre2.70 litre
Oil type10W40, Motul 300V 10W40, Shell Rotella 10W40SAE10W–40, SAE20W–50
Spark plug typeNGK CR8ENGK CR9EH–9, NGK CR9EHVX–9
CoolingLiquidLiquid
Valves416
Bore68.0 mm48.5 mm
Stroke44.1 mm33.8 mm
Throttle bore32.0 mm
Weight to power3.95 kg/hp3.49 kg/hp
Power to weight253 hp/Ton286 hp/Ton
Battery type12V, 7.0 Ah, GTZ8V12V 8Ah, YTLBX7
GearboxYamaha R3Honda CBR250RR
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain typeDID428VS1, RK428SMO
Gears count66
Primary ratio3.0432.966
Final drive3.0713.058
1. gear2.5 (62 km/h)2.733 (87 km/h)
2. gear1.824 (85 km/h)2.0 (118 km/h)
3. gear1.348 (115 km/h)1.59 (149 km/h)
4. gear1.087 (143 km/h)1.333 (178 km/h)
5. gear0.92 (169 km/h)1.153 (205 km/h)
6. gear0.8 (194 km/h)1.035 (229 km/h)
ChasisYamaha R3Honda CBR250RR
Frame typeSteel trellisBackbone steel
Front susp.KYB USD, 129 mm travel37mm forks
Rear susp.Swingarm, spring/shock absorber, coil spring/oil damper, 130 mm travelMonoshock
Dyno chart of 2019 Yamaha R3