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2018 Ducati Monster 821 Enquire Now

821cc Testastretta 11°, L-Twin
86NM @ 7750 RPM
1805KG DRY

bike details

The Monster 821 inherits the purest Monster essence from the first Monster 900, perfectly combining performance and ease of riding.

The richness of the standard outfitting, low ownership costs and the extensive catalogue of accessories make the Monster 821 the ideal everyday companion, while retaining the unique character of the true Ducati sport naked bike typical of every Monster.

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bike Specs


Dry weight: 180,5 kg (398 lb)

Weight data refers to the dry weight of the motorcycle without battery, lubricants and coolants for liquid-cooled models.

Wet weight (KERB): 206 kg (454 lb)

Kerb weights indicate total bike weight with all operating consumable liquids and a fuel tank filled to 90% of capacity (as per EC standard 93/93).

Seat height: Adjustable 785 mm – 810 mm (30.91 in – 31.89 in)

Wheelbase: 1,480 mm (58.27 in)

Rake: 24,3°

Trail: 93.2 mm (3.67 in)

Fuel tank capacity: 16.5 l (4.36 US gal)

Number of seats: 2


Type: Testastretta 11°, L-Twin, 4 Desmodromically actuated valves per cylinder, Water cooled

Displacement: 821 cc (50.1 cu in)

Bore x Stroke: 88 x 67.5 mm (3.46 x 2.66 in)

Compression ratio: 12.8:1

Power: 80 kW (109 hp) @ 9,250 rpm *

Torque: 86 Nm (8.8 kgm / 63 lb-ft ) @ 7,750 rpm *

* The power/torque values indicated are measured using an engine dynamometer according to homologation regulation and they correspond to the homologated data, as quoted in the Bike Registration Document.

Fuel injection: Electronic fuel injection system, Ø 53 mm throttle bodies, Full Ride-by-Wire

Exhaust: 2-1 system, Two lambda probes, Stainless steel muffler with aluminium end cap


Ducati Red
Dark Stealth
Ducati Yellow


Gearbox: 6 speed

Primary drive: Straight cut gears, ratio 1.85:1

Ratio: 1=37/15 2=30/17 3=28/20 4=26/22 5=24/23 6=23/24

Final drive: Chain drive, Front sprocket Z15, Rear sprocket Z46

Clutch: Slipper and self-servo wet multiplate clutch with mechanical control

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