Yamaha Vmax
170 hp, 1679 cc, 686 lbs2020
Ducati S4R
113 hp, 996 cc, 459 lbs2003 - 2006
EngineYamaha VmaxDucati S4R
Displacement1679 cc996 cc
Max power170 hp113 hp (@8 750 RPM)
Max torque99 lb ft70 lb ft (@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 capacity3.22 quart
Oil type10W40
Spark plug typeCHAMPION RA 59 GC, NGK DCPR9EVX
CoolingLiquidLiquid
Valves8
Bore90.0 mm94.0 mm
Stroke66.0 mm66.0 mm
Weight to power4.03 lbs/hp4.06 lbs/hp
Power to weight619 hp/2500lbs616 hp/2500lbs
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 (58 mph)
2. gear1.764 (81 mph)
3. gear1.35 (106 mph)
4. gear1.09 (131 mph)
5. gear0.958 (150 mph)
6. gear0.857 (167 mph)
ChasisYamaha VmaxDucati S4R
Frame typeAluminum die cast frameTubular trellis steel frame
Front susp.YHSJ 52mm fork, 4.72 in travel43mm USD fork, 5.12 in travel
Rear susp.YHSJ shock, 4.33 in travelMonoshock, 2.56 in travel