Yamaha R6
121 hp, 600 cc, 401 lbs2003 - 2004
Ducati Monster 821
112 hp, 821 cc, 452 lbs2016 - 2020
EngineYamaha R6Ducati Monster 821
Displacement600 cc821 cc
Max power121 hp (@13 000 RPM)112 hp (@9 250 RPM)
Max torque44 lb ft (@12 000 RPM)65 lb ft (@7 750 RPM)
Redline15 500 RPM10 500 RPM
Idling speed1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-4DOHC Desmodue V2
Compression12.40:112.80:1
Oil capacity3.22 quart
Oil type10W40, Motul 300V 10W40, Shell Rotella 10W4010W40, Motul 300V 10W40
Spark plug typeNGK CR9EK, NGK CR10EK
CoolingLiquidLiquid
Valves168
Bore65.5 mm88.0 mm
Stroke44.5 mm67.5 mm
Throttle bore38.0 mm53.0 mm
Weight to power3.32 lbs/hp4.04 lbs/hp
Power to weight753 hp/2500lbs619 hp/2500lbs
Battery type12 V 8 Ah, GT9B-4
GearboxYamaha R6Ducati Monster 821
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type
Gears count66
Primary ratio1.9551.85
Final drive3.03.067
1. gear2.846 (68 mph)2.466 (57 mph)
2. gear1.947 (100 mph)1.764 (79 mph)
3. gear1.556 (125 mph)1.4 (100 mph)
4. gear1.333 (146 mph)1.181 (119 mph)
5. gear1.19 (164 mph)1.043 (135 mph)
6. gear1.083 (180 mph)0.958 (147 mph)
ChasisYamaha R6Ducati Monster 821
Frame typeDiamondTubular steel Trellis frame attached to the cylinders head
Front susp.Telescopic fork USD, 4.72 in travelUpside down 43mm forks, 5.12 in travel
Rear susp.Swingarm link, spring/gas-oil damperAluminium double-sided swingarm, adjustable monoshock. 5.51 in travel.