Yamaha Vmax
170 hp, 1679 cc, 311 kg2020
Ducati S4R
113 hp, 996 cc, 208 kg2003 - 2006
MetricUS
EngineYamaha VmaxDucati S4R
Displacement1679 cc996 cc
Max power170 hp113 hp (@8 750 RPM)
Max torque135 Nm95 Nm (@7 000 RPM)
Redline9 500 RPM10 000 RPM
Idling speed1 200 RPM1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutSOHC V4DOHC Desmodue V2
Compression11.30:111.60:1
Oil capacity3.40 litre
Oil type10W40
Spark plug typeCHAMPION RA 59 GC, NGK DCPR9EVX
CoolingLiquidLiquid
Valves8
Bore90.0 mm94.0 mm
Stroke66.0 mm66.0 mm
Weight to power1.83 kg/hp1.84 kg/hp
Power to weight546 hp/Ton543 hp/Ton
Battery type12V 10Ah
GearboxYamaha VmaxDucati S4R
TypeSequentialSequential
ClutchSlipperDry
DriveChainChain
Chain typeDID 525 VL4 104 links
Gears count06
Primary ratio1.84
Final drive2.8
1. gear2.46 (94 km/h)
2. gear1.764 (131 km/h)
3. gear1.35 (171 km/h)
4. gear1.09 (211 km/h)
5. gear0.958 (241 km/h)
6. gear0.857 (269 km/h)
ChasisYamaha VmaxDucati S4R
Frame typeAluminum die cast frameTubular trellis steel frame
Front susp.YHSJ 52mm fork, 120.00 mm travel43mm USD fork, 130.00 mm travel
Rear susp.YHSJ shock, 110.00 mm travelMonoshock, 65.00 mm travel