Yamaha MT-03
41 hp, 321 cc2016 - 2018
Yamaha R3
42 hp, 321 cc, 166 kg2019 - 2020
MetricUS
EngineYamaha MT-03Yamaha R3
Displacement321 cc321 cc
Max power41 hp (@10 750 RPM)42 hp (@10 750 RPM)
Max torque30 Nm (@9 000 RPM)29 Nm (@9 000 RPM)
Redline12 500 RPM12 245 RPM
Idling speed1 200 RPM1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-2DOHC Inline-2
Compression11.20:111.20:1
Oil capacity2.40 litre2.40 litre
Oil type10W40, Yamalube 10W40, Shell Rotella 10W4010W40, Motul 300V 10W40, Shell Rotella 10W40
Spark plug typeNGK CR8ENGK CR8E
CoolingLiquidLiquid
Valves84
Bore68.0 mm68.0 mm
Stroke44.1 mm44.1 mm
Throttle bore32.0 mm
Weight to power3.95 kg/hp
Power to weight253 hp/Ton
Battery typeGTZ8V12V, 7.0 Ah, GTZ8V
GearboxYamaha MT-03Yamaha R3
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type
Gears count66
Primary ratio3.0433.043
Final drive3.0713.071
1. gear2.5 (63 km/h)2.5 (62 km/h)
2. gear1.824 (87 km/h)1.824 (85 km/h)
3. gear1.348 (117 km/h)1.348 (115 km/h)
4. gear1.087 (146 km/h)1.087 (143 km/h)
5. gear0.92 (172 km/h)0.92 (169 km/h)
6. gear0.8 (198 km/h)0.8 (194 km/h)
ChasisYamaha MT-03Yamaha R3
Frame typeDiamondSteel trellis
Front susp.41mm Telescopic fork, 130.00 mm travelKYB USD, 129 mm travel
Rear susp.Swingarm, 125.00 mm travelSwingarm, spring/shock absorber, coil spring/oil damper, 130 mm travel
Dyno chart of 2019 Yamaha R3