Naked Motorcycles
2015Ducati Monster 821
45 fields on record
The 2015 Ducati Monster 821 is a middleweight naked bike ideal for riders seeking accessible performance and nimble handling. Known for its aggressive styling, responsive 821cc engine, and advanced Brembo braking system with standard ABS, it delivers genuine sportiness without excessive weight or complexity.
- Capacity
- 821.0 ccm
- Engine
- V-Twin, four-stroke
- Gearbox
- 6-speed
- Dry weight
- 179.5 kg
- Seat height
- 785 mm
- Power
- 105.9 HP (79.0 kW) @ 9250 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built for spirited road riding and weekend canyon carving, blending Ducati performance with everyday usability.
- Built for
- Delivers a raw, characterful V-twin experience with strong torque, sharp handling, and unmistakable Ducati attitude.
- Not ideal for
- Not the right choice for riders seeking a plush touring companion, off-road capability, or a beginner-friendly first big bike.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usRange and running costs
Worked out in your browser - nothing is sent to usBased on the published US (EPA-style) fuel economy estimate and tank size. Real-world figures depend on how and where you ride, and the last litres of a tank are reserve. Prices shown greyed are examples - type your own.
Engine
- Capacity
- 821.0 ccm
- Power
- 105.9 HP (79.0 kW) @ 9250 RPM
- CO2 Emissions
- 133 CO2 g/km
- EPA Certificate No.
- FDUCC.820NML-002
- EPA Est. Fuel Consumption
- 5.66 L/100km (41.6 US mpg)
- EPA CO Emissions
- 1.5 CO g/km
- Torque
- 89.4 Nm (9.1 kgf-m) @ 7750 RPM
- Engine type
- V-Twin, four-stroke
- Power/weight ratio
- 0.5900 HP/kg (dry)
- Bore x stroke
- 88.0 x 67.5 mm
- Compression
- 12.8:1
- Cooling system
- Air
- Fuel system
- Injection
- Starting
- Electric
- Aspiration
- Naturally aspirated
- Valves per cylinder
- 4
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- APTC slipper and self-servo wet multiplate clutch with control cable
Dimensions & weight
- Wheelbase
- 1480 mm
- Overall length
- 2170 mm
- Overall width
- 800 mm
- Overall height
- 1055 mm
- Seat height
- 785 mm
- Dry weight
- 179.5 kg
- Wet weight
- 205.5 kg
- Fuel capacity
- 17.50 litres
Chassis & suspension
- Frame
- Tubular steel Trellis frame attached to the cylinders head
- Front suspension
- 43mm upside-down forks
- Rear suspension
- Progressive linkage with adjustable monoshock. Aluminium double-sided swingarm
- Front wheel travel
- 130 mm
- Rear wheel travel
- 140 mm
- Rake (fork angle)
- 24.3°
- Trail
- 93 mm
Brakes & wheels
- Front brakes
- Double disc. Semi-floating discs, radially mounted Monobloc Brembo M4-32 callipers, 4-pistons, axiial pump with ABS as standard
- Front brakes diameter
- 320 mm
- Rear brakes
- Single disc. 2-piston floating calliper with ABS as standard equipment
- Rear brakes diameter
- 245 mm
- ABS
- Yes
- Front tyre
- 120/70-ZR17
- Rear tyre
- 180/55-ZR17
Other
- Color options
- White, red
- Warranty
- 24
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 2015 | 2016 | 2018 | 2019 | 2020 |
|---|---|---|---|---|---|
| Capacity | 821 cc | 821 cc | 821 cc | 821 cc | 821 cc |
| Dry weight | 180 kg | 180 kg | 180 kg | 180 kg | 181 kg |
| Seat height | 785 mm | 785 mm | 785 mm | 785 mm | 785 mm |
| Fuel capacity | 17.5 L | 17.5 L | 17.5 L | 16.5 L | 16.5 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Safety Recalls
⚠ 1 recall may applySERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGSMay 2021 · 21V335000
Ducati North America (Ducati) is recalling certain 2015-2021 Monster 821, 2014-2021 Monster 1200 S/STD, and 2016-2019 Monster 1200 R motorcycles. The rear brake hoses may be susceptible to heat damage.
Risk: Damaged brake hoses may cause the rear brakes to fail, increasing the risk of a crash.
Remedy: Dealers will replace the rear brake hoses, free of charge. Owner notification letters were mailed on July 12, 2021. Owners may contact Ducati customer service at 1-888-391-5446.
These recalls cover some 2015 bikes of this model. Whether one applies to a specific bike, and whether the repair has already been done, depends on its VIN — check your VIN with NHTSA or ask a dealer.
Source: NHTSA. View all Ducati recalls →
Rider Reviews
Common questions
What is the engine size of the Ducati Monster 821?
The 2015 Ducati Monster 821 has a Capacity of 821.0 ccm (50.10 cubic inches).
What engine power does the Ducati Monster 821 have?
The 2015 Ducati Monster 821 has a Power of 105.9 HP (79.0 kW) @ 9250 RPM.
How many gears does the Ducati Monster 821 have?
The 2015 Ducati Monster 821 has a Gearbox of 6-speed.
What is the torque of the Ducati Monster 821?
The 2015 Ducati Monster 821 has a Torque of 89.4 Nm (9.1 kgf-m or 65.9 ft.lbs) @ 7750 RPM.
How much does the Ducati Monster 821 weigh?
The 2015 Ducati Monster 821 has a Dry weight of 179.5 kg (395.7 pounds).
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