Data as of: DVSA MOT results to 2025
Triumph T140: MOT pass rate by registration year
Which T140 years pass first time, and which fall short of the model's 86.4% average, from 4,051 DVSA tests.
Pass rate by registration year
Highest pass rate: 1982 (97.1% of 105 tests). Lowest: 1971 (80.2% of 111). Years more than two points below the model average: 1971, 1977.
| Registered | Tests | First-time pass | vs model (86.4%) |
|---|---|---|---|
| 1971 | 111 | 80.2% | -6.2 pp |
| 1973 | 78 | 89.7% | +3.3 pp |
| 1975 | 207 | 84.5% | -1.9 pp |
| 1976 | 437 | 88.8% | +2.4 pp |
| 1977 | 397 | 81.4% | -5.0 pp |
| 1978 | 656 | 85.5% | -0.9 pp |
| 1979 | 791 | 85.8% | -0.6 pp |
| 1980 | 601 | 85.9% | -0.5 pp |
| 1981 | 374 | 89.8% | +3.4 pp |
| 1982 | 105 | 97.1% | +10.7 pp |
| 1987 | 110 | 90.0% | +3.6 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 T140 years have the lowest MOT pass rate?
- 1971, 1977 registered examples pass first time less often than the Triumph T140 overall (86.4%); the 1971 cohort is lowest at 80.2% from 111 tests.
- Which T140 year has the highest MOT pass rate?
- 1982, at 97.1% of 105 first tests (2005–2025). Years more than two points above the model average: 1973, 1976, 1981, 1982, 1987.
- How much does the T140 pass rate vary by year?
- 16.9 percentage points between the highest (1982, 97.1%) and lowest (1971, 80.2%) 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 T140 reliability, failures and mileage · ranked #2091 of 5428 models· other Triumph models: Bonneville, Tiger, Sprint, Daytona, Speed Triple, Thunderbird