Yamaha R6
123 hp, 599 cc, 417 lbs2015 - 2016
Ducati Streetfighter V4
208 hp, 1103 cc, 443 lbs2020
EngineYamaha R6Ducati Streetfighter V4
Displacement599 cc1103 cc
Max power123 hp (@14 500 RPM)208 hp (@12 750 RPM)
Max torque47 lb ft (@10 500 RPM)90 lb ft (@11 500 RPM)
Redline16 000 RPM14 250 RPM
Idling speed1 200 RPM1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-4DOHC V4
Compression13.10:114.00:1
Oil capacity3.22 quart
Oil type10W40, Yamalube 10W40, Shell Rotella 10W40
Spark plug typeNGK CR10EK
CoolingLiquidLiquid
Valves1616
Bore67.0 mm81.0 mm
Stroke42.5 mm53.5 mm
Throttle bore52.0 mm
Weight to power3.39 lbs/hp2.13 lbs/hp
Power to weight737 hp/2500lbs1173 hp/2500lbs
Battery typeYTZ10S
GearboxYamaha R6Ducati Streetfighter V4
TypeSequentialSequential
ClutchWetSlipper
DriveChainChain
Chain type
Gears count66
Primary ratio2.0731.8
Final drive2.8132.8
1. gear2.583 (78 mph)2.714 (82 mph)
2. gear2.0 (101 mph)2.117 (105 mph)
3. gear1.667 (121 mph)1.736 (128 mph)
4. gear1.444 (140 mph)1.523 (146 mph)
5. gear1.286 (157 mph)1.363 (163 mph)
6. gear1.15 (176 mph)1.25 (178 mph)
ChasisYamaha R6Ducati Streetfighter V4
Frame typeAluminium DeltaboxAluminum Front Frame
Front susp.USD, dia 41mm, 4.53 in travel43mm USD Showa BPF, 4.72 in travel
Rear susp.4.72 in travelSachs rear shock, 5.12 in travel
Dyno chart of 2020 Ducati Streetfighter V4