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2020 Ducati Monster 821 Naked Motorcycle Review Specs

The 2020 Ducati Monster 821 Naked Motorcycle honors the legacy of the Monster 900, which revolutionized the motorcycle industry 25 years ago. It was built to provide the best riding fun at all times and in all conditions, thanks to its agility and athletic performance. The Monster 821 series has been revived with a new stealth version: matte black paint, redesigned graphics, and a new front fringe that gives Naked Ducati a distinct personality. It is highly efficient on the road thanks to standard equipment, including an adjustable fork and Ducati Quick Shift up / down.

At the 1992 Cologne Motor Show, Ducati unveiled the first legendary monster. After 25 years, the Monster 821 has improved significantly. The 821 retains all the authenticity of the Monster 900, combining flawless performance with exceptional rider-friendliness. The Monster 821 has a selection of the most delicate quality equipment, low proprietary cost and a great accessory, which makes it an ideal motorcycle for every day while maintaining the nude feel of the unique Ducati sport shared by all Monsters.

2020 Ducati Monster 821 Naked Motorcycle

The 2020 Ducati Monster 821 Naked Motorcycle was initially improved to combine the aesthetic and practical elements that look like the Monster 1200, with a more modified tank and tail, a smoother, vibrant appearance, and a brand new silencer, and classic and modern headlamps. The medium-sized Monster has a colorful TFT display with selected gear and fuel indicators, as well as Ducati Quick Shift up / down technology, which is available as a device.

At 9250 rpm, according to Euro 4, the liquid-cooled Testastreta 11 ° engine produces 109 horsepower (80 kW). At 821 7750 rpm, its 8.8 kgm (86 Nm) of torque provides thrilling performance, easy riding, and unparalleled excitement.

2020 Ducati Monster 821 Naked Motorcycle – Features and Specs

Colors: Ducati Yellow with black frame and black wheels, Ducati Red with red frame and attractive black wheels, and Dark Stealth including black frame and black wheels.


TestStreeta 11-degree engine with 821 cm 3 displacements and Euro 4 emission. Attached trail frame with cylinder heads o Double-sided swing arm o New tank with attachment clip o New tail o New muffler o New headlamp o Separate rider and passenger’s footpegs o TFT color display Selected gear and fuel Show the level of o Riding Modes (3 configurations). Different power modes (3 designs). Safety pack for Ducati (3-level ABS, 8-level DTC).

2020 Ducati Monster 821 Naked Motorcycle

Iconic design

The Monster 821’s design is characterized by its proportions, profile, tanks, and headlamps, all adding a modern twist, paying homage to the classic lines of the 1993 motorcycle. Just like the real monster, the classic tank has a strong hook. The new stealth version has fresh aesthetics and a redesigned windscreen, contributing to the Monster 821’s personality.

Testastretta 11° Engine

The new Monster 821’s Testastretta 11-degree engine can ensure maximum power and torque values, fluid delivery, and entire torque curve at all speeds to ensure rider performance and agility. A variant of the Monster 821 with 35 kW regulated power is also available for those with a limited license.

The Pleasure of a Safe Ride

The new Monster 821 is capable of providing pleasant riding experiences in perfect harmony with the road thanks to the advanced technology and specially developed ergonomics of the model.

Endless Excitement

Ducati Testastretta 11 ° Innovative engine materials and technology enable very long maintenance intervals and low operating costs with oil changes every 15,000 km (or 12 months) and valve clearance control (Desmo Service) every 30,000 k.

Compact and Sporty

The new Monster 821 is a sleek, uncomplicated, athletic motorbike designed to reflect the concept of the “Sport Naked Bike.”

Modern and Contemporary

The modern and futuristic front headlamp of the new Monster 821 recalls the circular shape that has always defined Monster design.

2020 Ducati Monster 821 Naked Motorcycle

The Monster of Your Favorite Color

The Monster 821 comes in two separate levers: the popular Ducati Red and the stealth version with the latest graphics: two separate levers for a real Monsterista motorcycle.

Colour TFT

The Monster 821’s instrument panel has a colorful TFT display with gear and fuel level indicators.


The front headlamp of the Monster 821 is futuristic and modern, while the Circular Cruise evokes the Monster front end that has always been admired for generations.

Ducati Quick Shift Up & Down (DQS)

The Ducati Quick Shift up / down is an electrical system adopted from Racing that allows you to change gears without operating the clutch and without turning off the throttle when shifting up and down without using the grip with closed throttle only when shifting down.

Power and Torque

The Testastretta 11° engine produces a maximum power output of 109 horsepower (80 kW) while maintaining a favorable torque crew thanks to customized and optimized exhaust and intake systems.

Anti-Hop Clutch

The Monster 821’s anti-hop wet clutch runs on cable and takes a little effort on the lever.

Exhaust System

The Testastretta 11 ° 821 engine is mated to a Type 2-1 exhaust system, ensuring unparalleled performance.

2020 Ducati Monster 821 Naked Motorcycle

Frame and Subframe

The new Monster 821 features a load-bearing engine and a primary trail frame attached to the dual cylinder heads.

Brembo Braking System

In any case, the new Monster 821 braking system ensures excellent performance and safety.


The new Monster 821 has a 43mm diameter front fork and a rear mono-shock with spring pre-load adjustment and hydraulic brake extension that uses a progressive vertical linkage with a vertical cylinder on one side and a die-cast aluminum double-sided swing arm.

Tires and Rims

The Monster 821 Pirelli Diablo RossoTM III has 120/70 front and 180/55 rear tires with 10-spoke light-alloy codes on the front 3.5 ” x 17 ” and rear 5.5 ” x 17 “.

2020 Ducati Monster 821 Naked Motorcycle – Technical Specifications


Type Testastretta 11°, L-Twin, 4 Desmodromically actuated valves per cylinder, Water-cooled
Displacement 821 cc (50.1 cu in)
Bore x stroke 88 mm x 67.5 mm (3.46 in x 2.66 in)
Compression ratio 12.8:1
Power 80kW (109 hp) at 9,250rpm
Torque 86Nm (8.8 kgm / 63 lb-ft ) at 7,750rpm
Fuel injection Electronic fuel injection system, 53mm of throttle bodies, Full Ride-by-Wire
Exhaust 2-1 system, Two lambda probes, Stainless steel muffler with
aluminum end cap


Gearbox Six speed
Primary drive Straight cut gears, Ratios: 1.85:1
Final drive Chain drive, Front sprocket: Z15, and Rear sprocket: Z46
Clutch Slipper & self-servo wet multi-plate clutch having mechanical control

2020 Ducati Monster 821 Naked Motorcycle


Frame Tubular steel trellis frame linked to cylinder heads
Front suspension Ø 43 mm USD fork
Front-wheel 10-spoke light alloy, 3.5″ x 17″
Front tyre 120/70 ZR17 Pirelli Diablo Rosso III
Rear suspension Progressive linkage with adjustable mono-shock, Aluminium double-
sided swingarm
Rear-wheel 10-spoke light alloy, 5.5″ x 17″
Rear tire 180/55 ZR17 Pirelli Diablo Rosso III
Wheel travel (front/rear) 130 mm /140 mm (5.12 in / 5.51 in)
2 x Ø 320 mm semi-floating discs, radially mounted monobloc
Front brake Brembo M4-32 calipers, 4-piston, axial pump with Bosch ABS as standard equipment
Rear brake Ø 245 mm disc, 2-piston caliper with Bosch ABS as standard equipment
Instrumentation TFT color display

Dimensions and weight

Dry weight 180,5 kg (398 lb)
Wet weight (kerb) 206 kg (454 lb)
Wet weight (no fuel) 195 kg (430 lb)
Seat height Adjustable 785mm – 810mm (30.91 inches – 31.89 inches)
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


Safety equipment Riding Modes, Power Modes, Ducati Safety Pack (Bosch ABS + Ducati Traction Control DTC)
Standard equipment LED position light & tail light, TFT color display, Passenger seat cover, USB power socket
Provided equipment
Ready for Ducati Quickshift up & down(DQS), Anti-theft system


Warranty 24-month, Unlimited mileage
Mainteinance service intervals 15,000km (9,000 mi) / 12-month
Valve clearance check 30,000 km (18,000 mi)

Emissions & consumption (only for countries where the euro 4 standard applies)

Standard Euro 4
Co2 emissions 125 g/km
Consumption 5.4 l/100 km

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