AI DamageDucati Monster 821: problems, complaints, bulletins
Summary for the Ducati Monster 821 across 6 model years: 0 owner complaints and 37 NHTSA service bulletins, plus repair videos. Pick a year for details.
Model years
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Service brakes | 0 | 0 | 78 |
| Engine and cooling | 0 | 0 | 68 |
| Electrical system | 0 | 0 | 41 |
| Equipment | 0 | 0 | 27 |
| Suspension | 0 | 0 | 17 |
| Structure | 0 | 0 | 12 |
| Powertrain | 0 | 0 | 10 |
| Seats | 0 | 0 | 7 |
| Vehicle speed control | 0 | 0 | 7 |
| Engine | 0 | 0 | 6 |
| Tires | 0 | 0 | 6 |
| Visibility | 0 | 0 | 1 |
| Other | 0 | 0 | 6 |
What to check before buying
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Suspension. Wheel alignment, control arms, subframe, even tire wear.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- Procedure for Assessing Front Fork Oil Leaks. Applicability
- Rear Brake System Update Summary. Applicability
- Rear Brake System Update Summary. Applicability
- Finial Drive Chain Maintenance Precautions. Applicability
- Guided Diagnosis for Front Brake System Bleeding. Applicability
- Procedure for Analysis and Control of Oil and Coolant Leaks from Engine_Rev.01. Applicability
- Tips and Tricks Revision 7 Summary
- Precautions to Follow During Crankcase Cleaning. Applicability
- Procedure for Analysis and Control of Oil and Coolant Leaks from Engine. Applicability
- Overview of Rear Brake System Updates (USA). Applicability
- Overview of Rear Brake System Updates. Applicability
- CR235 â Checking Proper Configuration of Options Installed on the Motorcycle. Applicability
Other models of this make
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.