AI Damage2003 Triumph Bonneville: common problems
Owners of the 2003 Triumph Bonneville filed 4 complaints with NHTSA, most often about wheels. Details by component below, with sources.
Key figures
- Owner complaints
- 4
What fails most often
- Wheels: 4 complaints (100% of all).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Wheels | 4 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
I was riding my triumph bonneville motorcycle and when we stopped to fuel up my riding buddy noticed that I had a broken spoke. Luckily it was noticed before I had a punctured tube and could have incurred a serious accident.
Outside spoke (rear wheel, brake side) on a 2003 triumph bonneville broke while riding on highway. This resulted in loss of air and tire went flat. Awaiting replacement spoke at this time from local triumph dealer. Upon installation wheel will need to be retried and new inner tube and rim strip installed.
Left outer rear wheel spoke failure on 2003 triumph bonneville motorcycle.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 15,521 of 36,656 model years in the NHTSA data (top 42% most complained about).
On average one model year of the Bonneville has 3 complaints (9 years in the data). This year has 4, above average.
What to check before buying
- Wheels. Wheel runout, cracks, signs of a wheel strike.
Other years of this model
Questions and answers
What are the most common problems with the 2003 Triumph Bonneville?
Owner complaints to NHTSA most often mention: wheels. Total complaints: 4.
How many service bulletins (TSB) were issued for the 2003 Triumph Bonneville?
NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2003 Triumph Bonneville from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2003 models
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 2026-11-05.