Yamaha R3
42 hp, 321 cc, 366 lbs2019 - 2020
Honda CB300R
31 hp, 286 cc, 315 lbs2018
EngineYamaha R3Honda CB300R
Displacement321 cc286 cc
Max power42 hp (@10 750 RPM)31 hp (@8 500 RPM)
Max torque21 lb ft (@9 000 RPM)19 lb ft (@7 500 RPM)
Redline12 245 RPM
Idling speed1 200 RPM1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-2DOHC Single
Compression11.20:110.70:1
Oil capacity2.27 quart1.70 quart
Oil type10W40, Motul 300V 10W40, Shell Rotella 10W40
Spark plug typeNGK CR8E
CoolingLiquidLiquid
Valves44
Bore68.0 mm76.0 mm
Stroke44.1 mm63.0 mm
Throttle bore32.0 mm
Weight to power8.71 lbs/hp10.17 lbs/hp
Power to weight286 hp/2500lbs245 hp/2500lbs
Battery type12V, 7.0 Ah, GTZ8V12V 7AH
GearboxYamaha R3Honda CB300R
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type
Gears count60
Primary ratio3.043
Final drive3.071
1. gear2.5 (39 mph)
2. gear1.824 (53 mph)
3. gear1.348 (71 mph)
4. gear1.087 (89 mph)
5. gear0.92 (105 mph)
6. gear0.8 (120 mph)
ChasisYamaha R3Honda CB300R
Frame typeSteel trellisSteel diamond frame
Front susp.KYB USD, 129 mm travel41mm USD, 5.12 in travel
Rear susp.Swingarm, spring/shock absorber, coil spring/oil damper, 130 mm travelMonoshock, 4.21 in travel
Dyno chart of 2019 Yamaha R3