Data as of: DVSA MOT results to 2025
Yamaha XS: MOT pass rate by registration year
Which XS years pass first time, and which fall short of the model's 79.4% average, from 1,107 DVSA tests.
Pass rate by registration year
Highest pass rate: 1978 (87.4% of 135 tests). Lowest: 1979 (73.8% of 149). Years more than two points below the model average: 1979.
| Registered | Tests | First-time pass | vs model (79.4%) |
|---|---|---|---|
| 1977 | 93 | 80.6% | +1.2 pp |
| 1978 | 135 | 87.4% | +8.0 pp |
| 1979 | 149 | 73.8% | -5.6 pp |
| 1980 | 155 | 80.0% | +0.6 pp |
| 1981 | 213 | 81.7% | +2.3 pp |
| 1982 | 102 | 80.4% | +1.0 pp |
| 1984 | 53 | 77.4% | -2.0 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 XS years have the lowest MOT pass rate?
- 1979 registered examples pass first time less often than the Yamaha XS overall (79.4%); the 1979 cohort is lowest at 73.8% from 149 tests.
- Which XS year has the highest MOT pass rate?
- 1978, at 87.4% of 135 first tests (2005–2025). Years more than two points above the model average: 1978, 1981.
- How much does the XS pass rate vary by year?
- 13.6 percentage points between the highest (1978, 87.4%) and lowest (1979, 73.8%) 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: Yamaha XS reliability, failures and mileage · ranked #3705 of 5428 models· other Yamaha models: YZF-R1, YZF-R6, FZS600, YBR 125, XJR1300, FZ6