Complaints by model year
Each bar is one model year. The most recent years are still collecting complaints.
NHTSA ODI complaints (public domain) · updated 23 Oct 2026
Year by year
| Model year | Complaints | Recalls |
|---|---|---|
| 2021 | 0 | 1 |
| 2020 Monster 821 | 0 | 2 |
| 2019 Monster 821 | 1 | 3 |
| 2018 Monster 821 | 3 | 3 |
| 2017 Monster 821 | 0 | 2 |
| 2016 Monster 821 | 0 | 1 |
| 2015 | 1 | 1 |
A model year gets its own page when it has enough data for at least three sections
Most common problems
- Service brakes3
- Service brakes, hydraulic1
- Fuel/propulsion system1
- Engine1
NHTSA ODI complaints, all model years
EU safety alerts
Safety Gate, the European Union's rapid alert system, names the Monster 821 in 2 alerts. European versions can differ from the North American car.
The rear brake hoses on affected motorcycles may be susceptible to heat damage, which may cause a sudden loss of rear brake function and increase the risk of a crash. The product does not comply with the requirements laid down in the Regulation on the approval…
The interference fit between the lever tip pin and the gear shift lever may not perform, which may cause the pin to detach. This leads to an increased risk of a crash.
Safety Gate (European Commission) · CC0
Recalls
3 campaigns cover the Monster 821.
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.
Ducati North America (Ducati) is recalling certain 2017-2020 Monster 797, Monster 1200, Supersport, 2016-2020 XDiavel, and 2018-2020 Monster 821 motorcycles. Air may permeate the rear brake system.
Ducati North America (Ducati) is recalling certain 2017-2019 Ducati Monster 1200, Monster 821, SuperSport and SuperSport S motorcycles. The shift lever may have been incorrectly assembled, possibly resulting in the shift knob detaching from the lever.
NHTSA recalls