Yamaha R6
121 hp, 600 cc, 401 lbs2003 - 2004
Ducati Streetfighter S
155 hp, 1099 cc, 434 lbs2009 - 2013
EngineYamaha R6Ducati Streetfighter S
Displacement600 cc1099 cc
Max power121 hp (@13 000 RPM)155 hp (@9 500 RPM)
Max torque44 lb ft (@12 000 RPM)84 lb ft (@9 500 RPM)
Redline15 500 RPM10 700 RPM
Idling speed1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-4DOHC Desmodue V2
Compression12.40:112.50:1
Oil capacity3.22 quart
Oil type10W40, Motul 300V 10W40, Shell Rotella 10W40
Spark plug typeNGK CR9EK, NGK CR10EK
CoolingLiquidLiquid
Valves168
Bore65.5 mm104.0 mm
Stroke44.5 mm64.7 mm
Throttle bore38.0 mm
Weight to power3.32 lbs/hp2.80 lbs/hp
Power to weight753 hp/2500lbs892 hp/2500lbs
Battery type12 V 8 Ah, GT9B-4
GearboxYamaha R6Ducati Streetfighter S
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type
Gears count66
Primary ratio1.9551.84
Final drive3.02.533
1. gear2.846 (68 mph)2.466 (70 mph)
2. gear1.947 (100 mph)1.764 (97 mph)
3. gear1.556 (125 mph)1.4 (123 mph)
4. gear1.333 (146 mph)1.181 (146 mph)
5. gear1.19 (164 mph)1.043 (165 mph)
6. gear1.083 (180 mph)0.958 (179 mph)
ChasisYamaha R6Ducati Streetfighter S
Frame typeDiamondTubular steel Trellis frame
Front susp.Telescopic fork USD, 4.72 in travelÖhlins 43mm USD, 4.72 in travel
Rear susp.Swingarm link, spring/gas-oil damperÖhlins monoshock, single sided swingarm, 5.00 in travel