Data as of: DVSA MOT results to 2025
Yamaha XS1100: MOT pass rate by registration year
Which XS1100 years pass first time, and which fall short of the model's 80.6% average, from 2,758 DVSA tests.
Pass rate by registration year
Highest pass rate: 1978 (83.3% of 430 tests). Lowest: 1982 (73.3% of 161). Years more than two points below the model average: 1982, 1983, 1984.
| Registered | Tests | First-time pass | vs model (80.6%) |
|---|---|---|---|
| 1971 | 55 | 80.0% | -0.6 pp |
| 1978 | 430 | 83.3% | +2.7 pp |
| 1979 | 651 | 82.2% | +1.6 pp |
| 1980 | 558 | 80.3% | -0.3 pp |
| 1981 | 497 | 79.9% | -0.7 pp |
| 1982 | 161 | 73.3% | -7.3 pp |
| 1983 | 137 | 74.5% | -6.1 pp |
| 1984 | 116 | 78.4% | -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 XS1100 years have the lowest MOT pass rate?
- 1982, 1983, 1984 registered examples pass first time less often than the Yamaha XS1100 overall (80.6%); the 1982 cohort is lowest at 73.3% from 161 tests.
- Which XS1100 year has the highest MOT pass rate?
- 1978, at 83.3% of 430 first tests (2005–2025).
- How much does the XS1100 pass rate vary by year?
- 10.0 percentage points between the highest (1978, 83.3%) and lowest (1982, 73.3%) 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 XS1100 reliability, failures and mileage · ranked #3459 of 5428 models· other Yamaha models: YZF-R1, YZF-R6, FZS600, YBR 125, XJR1300, FZ6