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The nuovo Monster 821 was designed with the aim of creating a slim, simple and sporty motorcycle to highlight the original concept of "sport naked bike".
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Superleggera V4- 234 hp with full racing exhaust Power
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MONSTER 821/ MONSTER 821 STEALTH
That's why #welovemonster
25 years of Monster
The Monster 821 pays homage to the legacy of the Monster 900, which over 25 years ago revolutionised the motorcycle world. Agile and featuring sporty performance, it was designed for maximum riding enjoyment, at all times and in all conditions. The Monster 821 range has been rejuvenated with a new stealth version: matte black livery, updated graphics and front fairing give a unique character to the naked Ducati par excellence. The standard equipment, which includes adjustable fork and Ducati Quick Shift up/down, makes it even more effective on the road.
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Iconic design
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The volumes, silhouette, tank and headlight characterise the design of the Monster 821 and remain true to the original lines of the bike born in 1993 while revisiting them with a modern flair. The iconic tank comes with a fastening hook, just like the first Monster. The new stealth version features new graphics and the windshield: elements that give the new Monster 821 a unique and unmistakable character. -
Testastretta 11° engine
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Thanks to high maximum power and torque values, fluid delivery and a full torque curve at all speeds, the new Monster 821's Testastretta 11° engine can guarantee performance and agility to the rider. The Monster 821 is also available for those with a restricted licence, as a version with 35 kW of regulated power. -
The pleasure of a safe ride
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In perfect harmony with the road, the new Monster 821 is capable of conveying pleasant riding sensations, supported by advanced technology and the specially designed ergonomics of this model. -
Endless excitement
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The advanced materials and technologies of the Ducati Testastretta 11° engine allow for particularly long maintenance intervals and reduced running costs, calling for an oil change every 15,000 Km (or 12 months) and valve clearance control (Desmo Service) every 30,000 km.
Monster 821 stealth
ABS Bosch 9.1 MP, DTC, DQS, LED position light and tail light, USB power socket, flyscreen, passenger seat cover, TFT colour display.
£10,655
i
- Stealth
Wheelbase
1,480 mm (58.27 in)
Seat Height
785 mm - 810 mm (30.91 in - 31.89 in)
- Displacement
- 821 cc (50.1 cu in)
- Power
- 80 kW (109 hp) @ 9,250 rpm
- Torque
- 8.8 kgm (63 lb-ft, 86 Nm) @ 7,750 rpm
- Dry Weight
- 180,5 kg (398 lb)
- Seat Height
- Adjustable 785 mm - 810 mm (30.9 in - 31.9 in)
- Safety Equipment
- Ducati Safety Pack: Bosch ABS, Ducati Traction Control (DTC). Riding Modes, Power Modes.
- Maintenance service intervals
- 15,000 km (9,000 mi) / 12 months
Monster 821
Engine
- Type
-
Testastretta 11°, L-Twin, 4 Desmodromically actuated valves per cylinder, Water cooledDucati Testastretta 11°, L-Twin, 4 valves per cylinder, Desmodromic timing, Water cooled
- Displacement
-
821 cc (50.1 cu in)821 cc (50.1 cu in)
- Bore x Stroke
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88 x 67.5 mm (3.46 x 2.66 in)88 x 67.5 mm
- Compression Ratio
-
12.8:112.8 : 1
- Power
-
80 kW (109 hp) @ 9,250 rpm80 kW (109 hp) @ 9,250 rpm
- Torque
-
86 Nm (8.8 kgm / 63 lb-ft ) @ 7,750 rpm86 Nm (63 lb-ft, 8.8 kgm) @ 7,750 rpm
- Fuel Injection
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Electronic fuel injection system, Ø 53 mm throttle bodies, Full Ride-by-WireElectronic fuel injection system, Ø 53 mm throttle bodies, Full Ride-by-Wire system
- Exhaust
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2-1 system, Two lambda probes, Stainless steel muffler with aluminium end cap2-1 system, Two lambda probes, Stainless steel muffler with aluminium end cap
Transmission
- Gearbox
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6 speed6 speed with Ducati Quick Shift up/down (DQS)
- Primary Drive
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Straight cut gears, Ratio 1.85:1Straight cut gears, Ratio 1.85:1
- Ratio
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1=37/15, 2=30/17, 3=28/20, 4=26/22, 5=24/23, 6=23/241=37/15, 2=30/17, 3=28/20, 4=26/22, 5=24/23, 6=23/24
- Final Drive
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Chain drive, Front sprocket Z15, Rear sprocket Z46Chain drive, Front sprocket Z15, Rear sprocket Z46
- Clutch
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Slipper and self-servo wet multiplate clutch with mechanical controlSlipper and self-servo wet multiplate clutch with mechanical control
Chassis
- Frame
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Tubular steel trellis frame linked to cylinder headsTubular steel trellis frame
- Front Suspension
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Ø 43 mm usd forkØ 43 mm usd fully adjustable fork
- Front Wheel
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10-spoke light alloy, 3.5" x 17"10-spoke light alloy, 3.5" x 17"
- Front Tyre
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120/70 ZR 17 Pirelli Diablo Rosso IIIPirelli Diablo Rosso III 120/70 ZR 17
- Rear Suspension
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Progressive linkage with adjustable monoshock, Aluminium double-sided swingarmProgressive linkage with adjustable monoshock, Aluminium double-sided swingarm
- Rear Wheel
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10-spoke light alloy, 5.5" x 17"10-spoke light alloy, 5.5" x 17"
- Rear Tyre
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180/55 ZR17 Pirelli Diablo Rosso IIIPirelli Diablo Rosso III 180/55 ZR17
- Wheel Travel (Front/Rear)
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130 mm /140 mm (5.12 in / 5.51 in)130 mm /140 mm (5.12 in / 5.51 in)
- Front Brake
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2 x Ø 320 mm semi-floating discs, radially mounted monobloc Brembo M4-32 callipers, 4-piston, axial pump with Bosch ABS 9.1 MP as standard equipment2 x Ø 320 mm semi-floating discs, radially mounted monobloc Brembo M4.32 callipers, 4-piston, Bosch ABS
- Rear Brake
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Ø 245 mm disc, 2-piston calliper with Bosch ABS 9.1 MP as standard equipmentØ 245 mm disc, 2-piston calliper, Bosch ABS
- Instrumentation
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TFT colour displayTFT colour display
Dimensions and Weights
- Dry Weight
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180,5 kg (398 lb)180,5 kg (398 lb)
- Wet Weight (KERB)
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206 kg (454 lb)206 kg (454 lb)
- Seat Height
-
Adjustable 785 mm - 810 mm (30.91 in - 31.89 in)Adjustable 785 mm - 810 mm (30.91 in - 31.89 in)
- Wheelbase
-
1,480 mm (58.27 in)1,480 mm (58.27 in)
- Rake
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24,3°24°
- Trail
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93.2 mm (3.67 in)93 mm (3.7 in)
- Fuel Tank Capacity
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16.5 l (4.36 US gal)16.5 l (4.36 US gal)
- Number of Seat
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Dual SeatDual Seat
Equipment
- Safety Equipment
-
Riding Modes, Power Modes, Ducati Safety Pack (Bosch ABS 9.1 MP + Ducati Traction Control DTC)Ducati Safety Pack: Bosch ABS, Ducati Traction Control (DTC). Riding Modes, Power Modes, Ducati Quick Shift up/down (DQS)
- Standard Equipment
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Ducati Safety Pack: ABS Bosch, Ducati Traction Control (DTC). Riding Mode, Power Mode, LED position light and tail light, Display TFT colour display, Passenger seat cover, USB power socket.Ducati Safety Pack:ABS Bosch, Ducati Traction Control (DTC). Ducati Quick Shift up/down (DQS), Riding Mode, Power Mode, LED position light and tail light, TFT colour display, Passenger seat cover, Flyscreen, USB power socket.
- Provided Equipment
-
--
- Ready For
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Ducati Quickshift up&down(DQS), Anti-theft systemAnti-theft system
Warranty
- Warranty
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24 months, Unlimited mileage24 months, Unlimited mileage
- Mainteinance Service Intervals
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15,000 km (9,000 mi) / 12 months15,000 km (9,000 mi) / 12 months
- Valve Clearance Check (Desmoservice)
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30,000 km (18,000 mi)30,000 km (18,000 mi)
Emissions and Consumption
- Standard
-
Euro 4Euro 4
- CO2 Emissions
-
125 g/km125 g/km
- Consumption
-
5.4 l/100 km5.4 l/100 km
- Note:
-
Only for countries where Euro 4 standard applies.Only for countries where Euro 4 standard applies.
Wheelbase
1,480 mm (58.3 in)
Seat Height
Adjustable 785 mm - 810 mm (30.9 in - 31.9 in)
- Displacement
- 821 cc (50.1 cu in)
- Power
- 80 kW (109 hp) @ 9,250 rpm
- Torque
- 8.8 kgm (63 lb-ft, 86 Nm) @ 7,750 rpm
- Dry Weight
- 180,5 kg (398 lb)
- Seat Height
- Adjustable 785 mm - 810 mm (30.9 in - 31.9 in)
- Safety equipment
- Ducati Safety Pack: Bosch ABS, Ducati Traction Control (DTC). Riding Modes, Power Modes
- Maintenance service intervals
- 15,000 km (9,000 mi) / 12 months
Monster 821
Engine
- Type
-
Testastretta 11°, L-Twin, 4 Desmodromically actuated valves per cylinder, Water cooledDucati Testastretta 11°, L-Twin, 4 valves per cylinder, Desmodromic timing, Water cooled
- Displacement
-
821 cc (50.1 cu in)821 cc (50.1 cu in)
- Bore x Stroke
-
88 x 67.5 mm (3.46 x 2.66 in)88 x 67.5 mm
- Compression Ratio
-
12.8:112.8 : 1
- Power
-
80 kW (109 hp) @ 9,250 rpm80 kW (109 hp) @ 9,250 rpm
- Torque
-
86 Nm (8.8 kgm / 63 lb-ft ) @ 7,750 rpm86 Nm (63 lb-ft, 8.8 kgm) @ 7,750 rpm
- Fuel Injection
-
Electronic fuel injection system, Ø 53 mm throttle bodies, Full Ride-by-WireElectronic fuel injection system, Ø 53 mm throttle bodies, Full Ride-by-Wire system
- Exhaust
-
2-1 system, Two lambda probes, Stainless steel muffler with aluminium end cap2-1 system, Two lambda probes, Stainless steel muffler with aluminium end cap
Transmission
- Gearbox
-
6 speed6 speed with Ducati Quick Shift up/down (DQS)
- Primary Drive
-
Straight cut gears, Ratio 1.85:1Straight cut gears, Ratio 1.85:1
- Ratio
-
1=37/15, 2=30/17, 3=28/20, 4=26/22, 5=24/23, 6=23/241=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 Z46Chain drive, Front sprocket Z15, Rear sprocket Z46
- Clutch
-
Slipper and self-servo wet multiplate clutch with mechanical controlSlipper and self-servo wet multiplate clutch with mechanical control
Chassis
- Frame
-
Tubular steel trellis frame linked to cylinder headsTubular steel trellis frame
- Front Suspension
-
Ø 43 mm usd forkØ 43 mm usd fully adjustable fork
- Front Wheel
-
10-spoke light alloy, 3.5" x 17"10-spoke light alloy, 3.5" x 17"
- Front Tyre
-
120/70 ZR 17 Pirelli Diablo Rosso IIIPirelli Diablo Rosso III 120/70 ZR 17
- Rear Suspension
-
Progressive linkage with adjustable monoshock, Aluminium double-sided swingarmProgressive linkage with adjustable monoshock, Aluminium double-sided swingarm
- Rear Wheel
-
10-spoke light alloy, 5.5" x 17"10-spoke light alloy, 5.5" x 17"
- Rear Tyre
-
180/55 ZR17 Pirelli Diablo Rosso IIIPirelli Diablo Rosso III 180/55 ZR17
- Wheel Travel (Front/Rear)
-
130 mm /140 mm (5.12 in / 5.51 in)130 mm /140 mm (5.12 in / 5.51 in)
- Front Brake
-
2 x Ø 320 mm semi-floating discs, radially mounted monobloc Brembo M4-32 callipers, 4-piston, axial pump with Bosch ABS 9.1 MP as standard equipment2 x Ø 320 mm semi-floating discs, radially mounted monobloc Brembo M4.32 callipers, 4-piston, Bosch ABS
- Rear Brake
-
Ø 245 mm disc, 2-piston calliper with Bosch ABS 9.1 MP as standard equipmentØ 245 mm disc, 2-piston calliper, Bosch ABS
- Instrumentation
-
TFT colour displayTFT colour display
Dimensions and Weights
- Dry Weight
-
180,5 kg (398 lb)180,5 kg (398 lb)
- Wet Weight (KERB)
-
206 kg (454 lb)206 kg (454 lb)
- Seat Height
-
Adjustable 785 mm - 810 mm (30.91 in - 31.89 in)Adjustable 785 mm - 810 mm (30.91 in - 31.89 in)
- Wheelbase
-
1,480 mm (58.27 in)1,480 mm (58.27 in)
- Rake
-
24,3°24°
- Trail
-
93.2 mm (3.67 in)93 mm (3.7 in)
- Fuel Tank Capacity
-
16.5 l (4.36 US gal)16.5 l (4.36 US gal)
- Number of Seat
-
Dual SeatDual Seat
Equipment
- Safety Equipment
-
Riding Modes, Power Modes, Ducati Safety Pack (Bosch ABS 9.1 MP + Ducati Traction Control DTC)Ducati Safety Pack: Bosch ABS, Ducati Traction Control (DTC). Riding Modes, Power Modes, Ducati Quick Shift up/down (DQS)
- Standard Equipment
-
Ducati Safety Pack: ABS Bosch, Ducati Traction Control (DTC). Riding Mode, Power Mode, LED position light and tail light, Display TFT colour display, Passenger seat cover, USB power socket.Ducati Safety Pack:ABS Bosch, Ducati Traction Control (DTC). Ducati Quick Shift up/down (DQS), Riding Mode, Power Mode, LED position light and tail light, TFT colour display, Passenger seat cover, Flyscreen, USB power socket.
- Provided Equipment
-
--
- Ready For
-
Ducati Quickshift up&down(DQS), Anti-theft systemAnti-theft system
Warranty
- Warranty
-
24 months, Unlimited mileage24 months, Unlimited mileage
- Mainteinance Service Intervals
-
15,000 km (9,000 mi) / 12 months15,000 km (9,000 mi) / 12 months
- Valve Clearance Check (Desmoservice)
-
30,000 km (18,000 mi)30,000 km (18,000 mi)
Emissions and Consumption
- Standard
-
Euro 4Euro 4
- CO2 Emissions
-
125 g/km125 g/km
- Consumption
-
5.4 l/100 km5.4 l/100 km
- Note:
-
Only for countries where Euro 4 standard applies.Only for countries where Euro 4 standard applies.
Compact and sporty
Modern and contemporary
The front headlight of the nuovo Monster 821, contemporary and technological, recalls the circular shape that has always characterised the design of each Monster.
Read moreTestastretta 11°
The new Monster 821 is driven by the twin-cylinder Desmodromic Testastretta 11° with a displacement of 821 cm³, designed to be a structural element of the chassis.
Read morePower and torque
With tailor-made and optimised exhaust and intake systems, the Testastretta 11° engine delivers a high power output of 109 hp (80 kW) without sacrificing an extremely favourable torque curve.
Read moreAnti-hop clutch
The anti-hop wet clutch on the Monster 821 is cable-driven and requires little effort on the lever.
Read moreExhaust system
The Testastretta 11° 821 engine is coupled with a type 2-1 exhaust system leaving no room for doubt about the performance it can deliver.
Read moreFrame and subframe
The new Monster 821 has a structure with a load-bearing engine and the main trellis frame attached to the twin-cylinder heads.
Read moreBrembo braking system
The new Monster 821 braking system guarantees high performance and maximum safety in all conditions.
Read moreSuspensions
The new Monster 821 is equipped with a 43 mm diameter front fork and a rear monoshock with spring preload adjustment and hydraulic brake extension that utilises progressive linkage by fastening directly to the vertical cylinder on one side and the die-cast aluminium double-sided swinging arm.
Read moreTyres and rims
The Monster 821 is equipped with 10-spoke light alloy rims measuring 3.5"" x 17"" on the front and 5.5"" x 17"" at the rear, mounting a Pirelli Diablo RossoTM III 120/70 tyre on the front and 180/55 on the rear.
Read more
Ducati Performance Accessories
Warranty
Official Ducati Warranty
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The spare parts of your Ducati available all over the world in 48 hours.
Warranty
Ever Red Extended warranty
25 Years of Monster
From our history to your stories: 517 Monsteristi celebrated the 25th Monster Anniversary together with us at the Paul Ricard Circuit, Le Castellet, and told us their tales of passion.
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Community
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Events
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