Honda CB300R
31 hp, 286 cc, 315 lbs2018
Yamaha MT-03
41 hp, 321 cc2016 - 2018
EngineHonda CB300RYamaha MT-03
Displacement286 cc321 cc
Max power31 hp (@8 500 RPM)41 hp (@10 750 RPM)
Max torque19 lb ft (@7 500 RPM)22 lb ft (@9 000 RPM)
Redline12 500 RPM
Idling speed1 200 RPM1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC SingleDOHC Inline-2
Compression10.70:111.20:1
Oil capacity1.70 quart2.27 quart
Oil type10W40, Yamalube 10W40, Shell Rotella 10W40
Spark plug typeNGK CR8E
CoolingLiquidLiquid
Valves48
Bore76.0 mm68.0 mm
Stroke63.0 mm44.1 mm
Weight to power10.17 lbs/hp
Power to weight245 hp/2500lbs
Battery type12V 7AHGTZ8V
GearboxHonda CB300RYamaha MT-03
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type
Gears count06
Primary ratio3.043
Final drive3.071
1. gear2.5 (39 mph)
2. gear1.824 (54 mph)
3. gear1.348 (73 mph)
4. gear1.087 (91 mph)
5. gear0.92 (107 mph)
6. gear0.8 (123 mph)
ChasisHonda CB300RYamaha MT-03
Frame typeSteel diamond frameDiamond
Front susp.41mm USD, 5.12 in travel41mm Telescopic fork, 5.12 in travel
Rear susp.Monoshock, 4.21 in travelSwingarm, 4.92 in travel