Data as of: DVSA MOT results to 2025
Triumph T140V: MOT pass rate by registration year
Which T140V years pass first time, and which fall short of the model's 85.7% average, from 2,003 DVSA tests.
Pass rate by registration year
Highest pass rate: 1978 (88.7% of 592 tests). Lowest: 1977 (81.9% of 354). Years more than two points below the model average: 1971, 1976, 1977.
| Registered | Tests | First-time pass | vs model (85.7%) |
|---|---|---|---|
| 1971 | 75 | 82.7% | -3.0 pp |
| 1973 | 85 | 84.7% | -1.0 pp |
| 1975 | 261 | 87.0% | +1.3 pp |
| 1976 | 297 | 82.2% | -3.5 pp |
| 1977 | 354 | 81.9% | -3.8 pp |
| 1978 | 592 | 88.7% | +3.0 pp |
| 1979 | 115 | 87.0% | +1.3 pp |
| 1980 | 77 | 87.0% | +1.3 pp |
Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years. A first-time MOT pass is a roadworthiness check, not a full mechanical inspection.
Pass rate over time
Questions
- Which T140V years have the lowest MOT pass rate?
- 1971, 1976, 1977 registered examples pass first time less often than the Triumph T140V overall (85.7%); the 1977 cohort is lowest at 81.9% from 354 tests.
- Which T140V year has the highest MOT pass rate?
- 1978, at 88.7% of 592 first tests (2005–2025).
- How much does the T140V pass rate vary by year?
- 6.8 percentage points between the highest (1978, 88.7%) and lowest (1977, 81.9%) cohorts with at least 50 tests. Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years.
Full report: Triumph T140V reliability, failures and mileage · ranked #2308 of 5428 models· other Triumph models: Bonneville, Tiger, Sprint, Daytona, Speed Triple, Thunderbird