Data as of: DVSA MOT results to 2025
Velocette KSS: MOT pass rate by registration year
Which KSS years pass first time, and which fall short of the model's 92.3% average, from 559 DVSA tests.
Pass rate by registration year
Highest pass rate: 1938 (96.6% of 59 tests). Lowest: 1947 (86.6% of 127). Years more than two points below the model average: 1947.
| Registered | Tests | First-time pass | vs model (92.3%) |
|---|---|---|---|
| 1930 | 53 | 96.2% | +3.9 pp |
| 1938 | 59 | 96.6% | +4.3 pp |
| 1947 | 127 | 86.6% | -5.7 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 KSS years have the lowest MOT pass rate?
- 1947 registered examples pass first time less often than the Velocette KSS overall (92.3%); the 1947 cohort is lowest at 86.6% from 127 tests.
- Which KSS year has the highest MOT pass rate?
- 1938, at 96.6% of 59 first tests (2005–2025). Years more than two points above the model average: 1930, 1938.
- How much does the KSS pass rate vary by year?
- 10.0 percentage points between the highest (1938, 96.6%) and lowest (1947, 86.6%) 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: Velocette KSS reliability, failures and mileage · ranked #415 of 5428 models· other Velocette models: Venom, Viper, Le, Mac, MSS, Thruxton