Ducati Monster 821 - 2015 Specifications and Reviews
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.
General information | |
| Category | Naked bike |
| Year | 2015 |
| Model | Ducati Monster 821 |
| | |
Engine and Transmission Specifications | |
| Exhaust system | Stainless steel muffler and aluminium and cap; lightweight 2-1 system with catalytic converter with 2 lambda probes |
| Emission details | Euro 3 |
| Clutch | APTC slipper and self-servo wet multiplate clutch with control cable |
| Transmission type,final drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Air |
| Fuel control | Desmodromic valve control |
| Fuel system | Injection. 53mm throttle bodies with full Ride by Wire |
| Valves per cylinder | 4 |
| Bore x Stroke | 88.0 x 67.5 mm (3.5 x 2.7 inches) |
| Compression | 12.8:1 |
| Torque | 89.40 Nm (9.1 kgf-m or 65.9 ft.lbs) @ 7750 RPM |
| Power | 112.00 HP (81.8 kW) @ 9250 RPM |
| Engine details | L-twin |
| Engine type | V2, four-stroke |
| Capacity: | 821.00 ccm (50.10 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Seat | Dual seat |
| Wheels | 10-spoke in light alloy |
| Rear brakes diameter | 245 mm (9.6 inches) |
| Rear brakes | Single disc. 2-piston floating calliper with ABS as standard equipment |
| Front brakes diameter | 320 mm (12.6 inches) |
| Front brakes | Double disc. Semi-floating discs, radially mounted Monobloc Brembo M4-32 callipers, 4-pistons, axiial pump with ABS as standard |
| Rear tyre | 180/55-ZR17 |
| Front tyre | 120/70-ZR17 |
| Rear wheel travel | 140 mm (5.5 inches) |
| Rear Suspension | Progressive linkage with adjustable monoshock. Aluminium double-sided swingarm |
| Front wheel travel | 130 mm (5.1 inches) |
| Front Suspension | 43mm upside-down forks |
| Trail | 93 mm (3.7 inches) |
| Rake (fork angle) | 24.3° |
| Frame type | Tubular steel Trellis frame attached to the cylinders head |
| | |
Physical measures and capacities | |
| Fuel capacity | 17.50 litres (4.62 gallons) |
| Wheelbase | 1,480 mm (58.3 inches) |
| Overall width | 800 mm (31.5 inches) |
| Overall length | 2,170 mm (85.4 inches) |
| Overall height | 1,055 mm (41.5 inches) |
| Alternate seat height | 810 mm (31.9 inches) If adjustable, highest setting. |
| Seat height | 785 mm (30.9 inches) If adjustable, lowest setting. |
| Power/weight ratio | 0.6240 HP/kg |
| Weight incl. oil, gas, etc | 205.5 kg (453.0 pounds) |
| Dry weight | 179.5 kg (395.7 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Factory warranty | 24 months unlimited mileage |
| Instruments | LCD |
| Starter | Electric |
| Color options | White, red |
Performance Profile & Rider Fit
Best For
Rider Profile
| Best For | Best suited to riders with at least some prior experience on powerful naked bikes, given the sharp throttle response and strong mid-range punch. |
| Purpose | Built for spirited road riding and weekend canyon carving, blending Ducati performance with everyday usability. |
| Rider Fit | A manageable but not tiny bike, with a firm seat and sporty riding position that favors shorter to medium-length rides over long-distance comfort. |
| Character | 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. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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⚠ Safety Recalls (1)
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.
Source: NHTSA. View all Ducati recalls →
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