Yamaha MT-03
41 hp, 321 cc2016 - 2018
KTM 390 Duke
43 hp, 373 cc, 157 kg2015 - 2016
MetricUS
EngineYamaha MT-03KTM 390 Duke
Displacement321 cc373 cc
Max power41 hp (@10 750 RPM)43 hp (@8 600 RPM)
Max torque30 Nm (@9 000 RPM)34 Nm (@6 800 RPM)
Redline12 500 RPM10 500 RPM
Idling speed1 200 RPM1 650 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-2DOHC Single
Compression11.20:112.90:1
Oil capacity2.40 litre
Oil type10W40, Yamalube 10W40, Shell Rotella 10W4015W50
Spark plug typeNGK CR8EBOSCH VR 5 NE, BOSCH VR 5 NEU
CoolingLiquidLiquid
Valves84
Bore68.0 mm89.0 mm
Stroke44.1 mm60.0 mm
Weight to power3.65 kg/hp
Power to weight273 hp/Ton
Battery typeGTZ8V
GearboxYamaha MT-03KTM 390 Duke
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain typeX-Ring 5/8 x 1/4"
Gears count66
Primary ratio3.0432.667
Final drive3.0713.0
1. gear2.5 (63 km/h)2.667 (57 km/h)
2. gear1.824 (87 km/h)1.857 (81 km/h)
3. gear1.348 (117 km/h)1.421 (107 km/h)
4. gear1.087 (146 km/h)1.143 (132 km/h)
5. gear0.92 (172 km/h)0.956 (158 km/h)
6. gear0.8 (198 km/h)0.84 (180 km/h)
ChasisYamaha MT-03KTM 390 Duke
Frame typeDiamondSteel trellis frame
Front susp.41mm Telescopic fork, 130.00 mm travelUSD 43mm, 150.00 mm travel
Rear susp.Swingarm, 125.00 mm travelMonoshock, 150.00 mm travel