Reliability & cost of ownership
Triumph Bonneville T120 Reliability & Common Problems
How reliable is the Triumph Bonneville T120? Compare every model year side by side — NHTSA recalls, owner complaints, and crash-test stars — then open the year you're shopping for a full reliability and repair-cost forecast.
Triumph Bonneville T120 problems by model year
3 recall entries and 3 owner complaints on file across 3 model years, sourced from the federal NHTSA database.
| Year | Recalls | Complaints | NCAP stars | Full report |
|---|---|---|---|---|
| 2025 Bonneville T120 | 0 | 1 | No NCAP test | Reliability forecast → |
| 2023 Bonneville T120 | 3 | 1 | No NCAP test | Reliability forecast → |
| 2018 Bonneville T120 | 0 | 1 | No NCAP test | Full reliability report → |
Most-complained-about components
Owner complaints filed with NHTSA against the Triumph Bonneville T120, grouped by the component each complaint names — the fastest read on where this model gives trouble.
- electrical system2 complaints
- exterior lighting1 complaint