Yamaha R6
121 hp, 600 cc, 182 kg2003 - 2004
KTM 390 Duke
43 hp, 373 cc, 157 kg2015 - 2016
MetricUS
EngineYamaha R6KTM 390 Duke
Displacement600 cc373 cc
Max power121 hp (@13 000 RPM)43 hp (@8 600 RPM)
Max torque60 Nm (@12 000 RPM)34 Nm (@6 800 RPM)
Redline15 500 RPM10 500 RPM
Idling speed1 650 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-4DOHC Single
Compression12.40:112.90:1
Oil capacity3.40 litre
Oil type10W40, Motul 300V 10W40, Shell Rotella 10W4015W50
Spark plug typeNGK CR9EK, NGK CR10EKBOSCH VR 5 NE, BOSCH VR 5 NEU
CoolingLiquidLiquid
Valves164
Bore65.5 mm89.0 mm
Stroke44.5 mm60.0 mm
Throttle bore38.0 mm
Weight to power1.50 kg/hp3.65 kg/hp
Power to weight664 hp/Ton273 hp/Ton
Battery type12 V 8 Ah, GT9B-4
GearboxYamaha R6KTM 390 Duke
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain typeX-Ring 5/8 x 1/4"
Gears count66
Primary ratio1.9552.667
Final drive3.03.0
1. gear2.846 (110 km/h)2.667 (57 km/h)
2. gear1.947 (161 km/h)1.857 (81 km/h)
3. gear1.556 (202 km/h)1.421 (107 km/h)
4. gear1.333 (235 km/h)1.143 (132 km/h)
5. gear1.19 (264 km/h)0.956 (158 km/h)
6. gear1.083 (290 km/h)0.84 (180 km/h)
ChasisYamaha R6KTM 390 Duke
Frame typeDiamondSteel trellis frame
Front susp.Telescopic fork USD, 120.00 mm travelUSD 43mm, 150.00 mm travel
Rear susp.Swingarm link, spring/gas-oil damperMonoshock, 150.00 mm travel