Yamaha Vmax
170 hp, 1679 cc, 311 kg2020
KTM 390 Duke
43 hp, 373 cc, 157 kg2015 - 2016
MetricUS
EngineYamaha VmaxKTM 390 Duke
Displacement1679 cc373 cc
Max power170 hp43 hp (@8 600 RPM)
Max torque135 Nm34 Nm (@6 800 RPM)
Redline9 500 RPM10 500 RPM
Idling speed1 200 RPM1 650 RPM
ManagementFuel InjectionFuel Injection
LayoutSOHC V4DOHC Single
Compression11.30:112.90:1
Oil type15W50
Spark plug typeBOSCH VR 5 NE, BOSCH VR 5 NEU
CoolingLiquidLiquid
Valves4
Bore90.0 mm89.0 mm
Stroke66.0 mm60.0 mm
Weight to power1.83 kg/hp3.65 kg/hp
Power to weight546 hp/Ton273 hp/Ton
GearboxYamaha VmaxKTM 390 Duke
TypeSequentialSequential
ClutchSlipperWet
DriveChainChain
Chain typeX-Ring 5/8 x 1/4"
Gears count06
Primary ratio2.667
Final drive3.0
1. gear2.667 (57 km/h)
2. gear1.857 (81 km/h)
3. gear1.421 (107 km/h)
4. gear1.143 (132 km/h)
5. gear0.956 (158 km/h)
6. gear0.84 (180 km/h)
ChasisYamaha VmaxKTM 390 Duke
Frame typeAluminum die cast frameSteel trellis frame
Front susp.YHSJ 52mm fork, 120.00 mm travelUSD 43mm, 150.00 mm travel
Rear susp.YHSJ shock, 110.00 mm travelMonoshock, 150.00 mm travel