Honda CB300R
31 hp, 286 cc, 143 kg2018
Yamaha R3
42 hp, 321 cc, 166 kg2019 - 2020
MetricUS
EngineHonda CB300RYamaha R3
Displacement286 cc321 cc
Max power31 hp (@8 500 RPM)42 hp (@10 750 RPM)
Max torque27 Nm (@7 500 RPM)29 Nm (@9 000 RPM)
Redline12 245 RPM
Idling speed1 200 RPM1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC SingleDOHC Inline-2
Compression10.70:111.20:1
Oil capacity1.80 litre2.40 litre
Oil type10W40, Motul 300V 10W40, Shell Rotella 10W40
Spark plug typeNGK CR8E
CoolingLiquidLiquid
Valves44
Bore76.0 mm68.0 mm
Stroke63.0 mm44.1 mm
Throttle bore32.0 mm
Weight to power4.61 kg/hp3.95 kg/hp
Power to weight216 hp/Ton253 hp/Ton
Battery type12V 7AH12V, 7.0 Ah, GTZ8V
GearboxHonda CB300RYamaha R3
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type
Gears count06
Primary ratio3.043
Final drive3.071
1. gear2.5 (62 km/h)
2. gear1.824 (85 km/h)
3. gear1.348 (115 km/h)
4. gear1.087 (143 km/h)
5. gear0.92 (169 km/h)
6. gear0.8 (194 km/h)
ChasisHonda CB300RYamaha R3
Frame typeSteel diamond frameSteel trellis
Front susp.41mm USD, 130.00 mm travelKYB USD, 129 mm travel
Rear susp.Monoshock, 107.00 mm travelSwingarm, spring/shock absorber, coil spring/oil damper, 130 mm travel
Dyno chart of 2019 Yamaha R3