Ducati Monster 821 - Specifications & Review

Monster 821

Article Complete Info

Articleid318486
CategoryNaked bike
MakeDucati
ModelMonster 821
Year2020

Chassis, Suspension, Brakes & Wheels

FrametypeTubular steel Trellis frame attached to the cylinders head
FrontbrakesDouble disc. Semi-floating discs, radially mounted Monobloc Brembo M4-32 callipers, 4-pistons, axiial pump with ABS as standard
Frontbrakesdiameter320 mm (12.6 inches)
Frontsuspension43mm upside-down forks
Fronttyre120/70-ZR17
Frontwheeltravel130 mm (5.1 inches)
Rake24.3°
RearbrakesSingle disc. 2-piston floating calliper with ABS as standard equipment
Rearbrakesdiameter245 mm (9.6 inches)
RearsuspensionProgressive linkage with adjustable monoshock. Aluminium double-sided swingarm
Reartyre180/55-ZR17
Rearwheeltravel140 mm (5.5 inches)
SeatDual seat
Trail93 mm (3.7 inches)
Wheels10-spoke in light alloy. Pirelli Diablo Rosso II tyres.

Engine & Transmission

Borexstroke88.0 x 67.5 mm (3.5 x 2.7 inches)
ClutchAPTC slipper and self-servo wet multiplate clutch with control cable
Compression12.8:1
CoolingsystemAir
Displacement821.00 ccm (50.10 cubic inches)
EmissiondetailsEuro 4
EnginedetailsV2, four-stroke
EnginetypeTestastretta 11° L-Twin
ExhaustsystemStainless steel muffler and aluminium and cap; lightweight 2-1 system with catalytic converter with 2 lambda probes
Fuelconsumption5.40 litres/100 km (18.5 km/l or 43.56 mpg)
FuelsystemInjection. 53mm throttle bodies with full Ride by Wire
Gearbox6-speed
Greenhousegases125.3 CO2 g/km. (CO2 - Carbon dioxide emission)
Power109.00 HP (79.6 kW)) @ 9250 RPM
Torque86.00 Nm (8.8 kgf-m or 63.4 ft.lbs) @ 7750 RPM
TransmissiontypefinaldriveChain
Valvespercylinder4

Other Specifications

ColoroptionsDucati Red
Factorywarranty24 months unlimited mileage
InstrumentsLCD Display
StarterElectric

Physical Measures & Capacities

Alternateseatheight810 mm (31.9 inches) If adjustable, highest setting.
Dryweight180.5 kg (397.9 pounds)
Fuelcapacity16.50 litres (4.36 gallons)
Overallheight1,055 mm (41.5 inches)
Overalllength2,170 mm (85.4 inches)
Overallwidth800 mm (31.5 inches)
Powerweightratio0.6039 HP/kg
Seatheight785 mm (30.9 inches) If adjustable, lowest setting.
Weightincloilgasetc206.0 kg (454.2 pounds)

About Ducati

Country of Origin: Italy
Founder: Adriano, Bruno, and Marcello Cavalieri Ducati (with Antonio Cavalieri Ducati)
Best Known For: Desmodromic valve V-twins/V4s; superbike and MotoGP pedigree; Italian design

Company History

Ducati’s story begins in 1926 Bologna as a maker of radio components before postwar circumstances steered it toward engines and then motorcycles. From Cucciolo clip-ons to bevel-drive twins and on to belt-drive desmodromic L-twins, the brand cultivated a reputation for mechanical exotica that actually worked on the road. Racing success at Imola in 1972 set the tone, while the 851/888/916 lineage defined 1990s superbike aesthetics—Tamburini lines, single-sided swingarms, trellis frames, and the bark of a big twin. The 2000s brought sophisticated electronics, trellis evolutions, and Desmosedici MotoGP technology filtering to the street. Today’s V4s carry desmo heritage into new architectures, pairing intoxicating sound with blistering pace and rider aids that let mortals touch the edge. Yet the Ducati experience isn’t only lap times; it’s also design theater—red paint, machined details, and a sense that every component was considered. Historically, Ducati shaped what ‘Italian performance’ means: intense, beautiful, and emotionally involving. Owners speak of feedback through the pegs, the ritual of warm oil, and a community that treats a Sunday ride like an event. In an era of homogenized competence, Ducati insists that performance should move the soul as much as the stopwatch.

Other Years

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