Yamaha R3
42 hp, 321 cc, 366 lbs2019 - 2020
Honda CBR250RR
45 hp, 249 cc, 346 lbs1990 - 1993
EngineYamaha R3Honda CBR250RR
Displacement321 cc249 cc
Max power42 hp (@10 750 RPM)45 hp (@15 000 RPM)
Max torque21 lb ft (@9 000 RPM)15 lb ft (@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 capacity2.27 quart2.56 quart
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 power8.71 lbs/hp7.69 lbs/hp
Power to weight286 hp/2500lbs325 hp/2500lbs
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 (39 mph)2.733 (54 mph)
2. gear1.824 (53 mph)2.0 (73 mph)
3. gear1.348 (71 mph)1.59 (93 mph)
4. gear1.087 (89 mph)1.333 (111 mph)
5. gear0.92 (105 mph)1.153 (127 mph)
6. gear0.8 (120 mph)1.035 (142 mph)
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