Yamaha R1
170 hp, 998 cc, 428 lbs2004
Ducati Streetfighter V4
208 hp, 1103 cc, 443 lbs2020
EngineYamaha R1Ducati Streetfighter V4
Displacement998 cc1103 cc
Max power170 hp (@12 500 RPM)208 hp (@12 750 RPM)
Max torque78 lb ft (@10 500 RPM)90 lb ft (@11 500 RPM)
Redline13 500 RPM14 250 RPM
Idling speed1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-4DOHC V4
Compression12.40:114.00:1
Oil capacity3.60 quart
Oil type15W50, Motul 300V 15W50, Liqui Moly 15W50
Spark plug typeNGK CR9EK
CoolingLiquidLiquid
Valves1616
Bore77.0 mm81.0 mm
Stroke53.6 mm53.5 mm
Throttle bore52.0 mm
Weight to power2.52 lbs/hp2.13 lbs/hp
Power to weight993 hp/2500lbs1173 hp/2500lbs
GearboxYamaha R1Ducati Streetfighter V4
TypeSequentialSequential
ClutchWetSlipper
DriveChainChain
Chain type
Gears count66
Primary ratio1.5121.8
Final drive2.6472.8
1. gear2.533 (97 mph)2.714 (82 mph)
2. gear2.063 (119 mph)2.117 (105 mph)
3. gear1.762 (139 mph)1.736 (128 mph)
4. gear1.522 (161 mph)1.523 (146 mph)
5. gear1.364 (180 mph)1.363 (163 mph)
6. gear1.269 (194 mph)1.25 (178 mph)
ChasisYamaha R1Ducati Streetfighter V4
Frame typeDiamondAluminum Front Frame
Front susp.Telescopic fork - Coil spring/oil damper (120 mm travel)43mm USD Showa BPF, 4.72 in travel
Rear susp.Swingarm (link suspension) - Coil spring/gas-oil damperSachs rear shock, 5.12 in travel
Dyno chart of 2020 Ducati Streetfighter V4