Data as of: DVSA MOT results to 2025
Yamaha NS: MOT pass rate by registration year
Which NS years pass first time, and which fall short of the model's 69.5% average, from 3,337 DVSA tests.
Pass rate by registration year
Highest pass rate: 2017 (75.0% of 648 tests). Lowest: 2014 (62.6% of 952). Years more than two points below the model average: 2014, 2018.
| Registered | Tests | First-time pass | vs model (69.5%) |
|---|---|---|---|
| 2013 | 182 | 71.4% | +1.9 pp |
| 2014 | 952 | 62.6% | -6.9 pp |
| 2015 | 636 | 72.2% | +2.7 pp |
| 2016 | 825 | 70.8% | +1.3 pp |
| 2017 | 648 | 75.0% | +5.5 pp |
| 2018 | 85 | 64.7% | -4.8 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 NS years have the lowest MOT pass rate?
- 2014, 2018 registered examples pass first time less often than the Yamaha NS overall (69.5%); the 2014 cohort is lowest at 62.6% from 952 tests.
- Which NS year has the highest MOT pass rate?
- 2017, at 75.0% of 648 first tests (2005–2025). Years more than two points above the model average: 2015, 2017.
- How much does the NS pass rate vary by year?
- 12.4 percentage points between the highest (2017, 75.0%) and lowest (2014, 62.6%) 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 NS reliability, failures and mileage · ranked #4771 of 5428 models· other Yamaha models: YZF-R1, YZF-R6, FZS600, YBR 125, XJR1300, FZ6