Triumph T140D
Real ownership data from 58 UK T140D motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common T140D problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Lights and indicators | major | 18% |
| Brakes | fail | 9.8% |
| Other | fail | 5.4% |
| Tyres | fail | 5.4% |
| Suspension | fail | 3.1% |
| Wheels | fail | 2.4% |
| Fluid leaks | fail | 2% |
| Steering and head bearings | fail | 2% |
Advisories (wear noted but not failed) are excluded above; the most common is suspension.
T140D mileage and reliability by year
Use this to judge whether a specific bike is high or low mileage for its age.
| Year | Examples | Median mileage | Miles/year | First-time pass |
|---|---|---|---|---|
| 1981 | 6 | 18,307 mi | 422 | 88.57% |
| 1980 | 15 | 22,673 mi | 161 | 82.42% |
| 1979 | 21 | 19,743 mi | 121 | 80.61% |
T140D questions, answered with data
What are the most common problems with the Triumph T140D?
Across 58 UK examples, the most frequently recorded MOT faults are lights and indicators (18% of all recorded faults), brakes (9.8% of all recorded faults), other (5.4% of all recorded faults).
What is average mileage for a Triumph T140D?
The median Triumph T140D in the UK has covered 18,512 miles, and typically rides about 160 miles a year. Half of all examples fall between 8,146 and 25,058 miles.
Is the Triumph T140D reliable?
82.47% of Triumph T140D MOT tests are passed first time, with an average of 0.9 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 58 Triumph T140D motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.