Data as of: DVSA MOT results to 2025
Norton Dominator: MOT pass rate by registration year
Which Dominator years pass first time, and which fall short of the model's 92.6% average, from 3,807 DVSA tests.
Pass rate by registration year
Highest pass rate: 1965 (96.9% of 65 tests). Lowest: 1966 (86.2% of 94). Years more than two points below the model average: 1966, 1967, 2015, 2016.
| Registered | Tests | First-time pass | vs model (92.6%) |
|---|---|---|---|
| 1954 | 164 | 94.5% | +1.9 pp |
| 1955 | 120 | 94.2% | +1.6 pp |
| 1956 | 174 | 95.4% | +2.8 pp |
| 1957 | 310 | 91.3% | -1.3 pp |
| 1958 | 263 | 92.8% | +0.2 pp |
| 1959 | 315 | 90.8% | -1.8 pp |
| 1960 | 630 | 93.7% | +1.1 pp |
| 1961 | 389 | 93.8% | +1.2 pp |
| 1962 | 429 | 94.9% | +2.3 pp |
| 1963 | 181 | 91.7% | -0.9 pp |
| 1964 | 123 | 91.1% | -1.5 pp |
| 1965 | 65 | 96.9% | +4.3 pp |
| 1966 | 94 | 86.2% | -6.4 pp |
| 1967 | 74 | 90.5% | -2.1 pp |
| 1968 | 50 | 94.0% | +1.4 pp |
| 1971 | 80 | 91.3% | -1.3 pp |
| 2015 | 81 | 90.1% | -2.5 pp |
| 2016 | 73 | 90.4% | -2.2 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 Dominator years have the lowest MOT pass rate?
- 1966, 1967, 2015, 2016 registered examples pass first time less often than the Norton Dominator overall (92.6%); the 1966 cohort is lowest at 86.2% from 94 tests.
- Which Dominator year has the highest MOT pass rate?
- 1965, at 96.9% of 65 first tests (2005–2025). Years more than two points above the model average: 1956, 1962, 1965.
- How much does the Dominator pass rate vary by year?
- 10.7 percentage points between the highest (1965, 96.9%) and lowest (1966, 86.2%) 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: Norton Dominator reliability, failures and mileage · ranked #367 of 5428 models· other Norton models: Commando, ES2, Commander, Triton, Atlas, 650SS