Yamaha R6
121 hp, 600 cc, 401 lbs2003 - 2004
Ducati Streetfighter V4
208 hp, 1103 cc, 443 lbs2020
EngineYamaha R6Ducati Streetfighter V4
Displacement600 cc1103 cc
Max power121 hp (@13 000 RPM)208 hp (@12 750 RPM)
Max torque44 lb ft (@12 000 RPM)90 lb ft (@11 500 RPM)
Redline15 500 RPM14 250 RPM
Idling speed1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-4DOHC V4
Compression12.40:114.00:1
Oil capacity3.22 quart
Oil type10W40, Motul 300V 10W40, Shell Rotella 10W40
Spark plug typeNGK CR9EK, NGK CR10EK
CoolingLiquidLiquid
Valves1616
Bore65.5 mm81.0 mm
Stroke44.5 mm53.5 mm
Throttle bore38.0 mm52.0 mm
Weight to power3.32 lbs/hp2.13 lbs/hp
Power to weight753 hp/2500lbs1173 hp/2500lbs
Battery type12 V 8 Ah, GT9B-4
GearboxYamaha R6Ducati Streetfighter V4
TypeSequentialSequential
ClutchWetSlipper
DriveChainChain
Chain type
Gears count66
Primary ratio1.9551.8
Final drive3.02.8
1. gear2.846 (68 mph)2.714 (82 mph)
2. gear1.947 (100 mph)2.117 (105 mph)
3. gear1.556 (125 mph)1.736 (128 mph)
4. gear1.333 (146 mph)1.523 (146 mph)
5. gear1.19 (164 mph)1.363 (163 mph)
6. gear1.083 (180 mph)1.25 (178 mph)
ChasisYamaha R6Ducati Streetfighter V4
Frame typeDiamondAluminum Front Frame
Front susp.Telescopic fork USD, 4.72 in travel43mm USD Showa BPF, 4.72 in travel
Rear susp.Swingarm link, spring/gas-oil damperSachs rear shock, 5.12 in travel
Dyno chart of 2020 Ducati Streetfighter V4