AI DamageTriumph Speed Four: problems, complaints, bulletins
Summary for the Triumph Speed Four across 1 model years: 2 owner complaints and 0 NHTSA service bulletins, plus repair videos. Pick a year for details.
Model years
| Year | Owner complaints | involving a crash | Technical service bulletins (TSB) | YouTube repair videos |
|---|---|---|---|---|
| 2003 | 2 | 0 | 0 | 0 |
What fails most often
- 1 Fuel system 100% of all complaints
- 2 Powertrain 50% of all complaints
- Fuel system: 2 complaints (100% of all).
- Powertrain: 1 complaints (50% of all).
Symptoms owners describe
How many of the 2 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Fuel system | 2 | 0 | 0 |
| Powertrain | 1 | 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.
Tl* the contact owns a 2003 triumph speed four. While driving 15 mph, the contact stated that the fuel line separated from the fuel tank. The manufacturer made the contact aware of the recall associated with nhtsa campaign id number 04v156000 (fuel system, gasoline:delivery:hoses, lines/piping, and fittings), but…
The contact stated that the fuel connector linking each of the feed and return fuel hoses to the fuel pump mounting plate frequently fractures. As a result, gasoline disperses from the vehicle and increases the risk of serious injury and fire.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
What to check before buying
- Fuel system. Fuel smell, leaks, rough running, fuel-system codes.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
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 2026-11-05.