Data as of: DVSA MOT results to 2025
Honda NS50MSB: MOT pass rate by registration year
Which NS50MSB years pass first time, and which fall short of the model's 78.6% average, from 784 DVSA tests.
Pass rate by registration year
Highest pass rate: 1984 (80.2% of 283 tests). Lowest: 1983 (75.8% of 269). Years more than two points below the model average: 1983.
| Registered | Tests | First-time pass | vs model (78.6%) |
|---|---|---|---|
| 1982 | 67 | 79.1% | +0.5 pp |
| 1983 | 269 | 75.8% | -2.8 pp |
| 1984 | 283 | 80.2% | +1.6 pp |
| 1985 | 163 | 79.8% | +1.2 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 NS50MSB years have the lowest MOT pass rate?
- 1983 registered examples pass first time less often than the Honda NS50MSB overall (78.6%); the 1983 cohort is lowest at 75.8% from 269 tests.
- Which NS50MSB year has the highest MOT pass rate?
- 1984, at 80.2% of 283 first tests (2005–2025).
- How much does the NS50MSB pass rate vary by year?
- 4.4 percentage points between the highest (1984, 80.2%) and lowest (1983, 75.8%) 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: Honda NS50MSB reliability, failures and mileage · ranked #3832 of 5428 models· other Honda models: CBR600F, CBR900RR, CBR1100XX, CB500, C90, VFR800 Fi