Data as of: DVSA MOT results to 2025
MZ ETZ251: MOT pass rate by registration year
Which ETZ251 years pass first time, and which fall short of the model's 85.7% average, from 1,621 DVSA tests.
Pass rate by registration year
Highest pass rate: 1995 (90.5% of 242 tests). Lowest: 1996 (80.5% of 82). Years more than two points below the model average: 1990, 1991, 1996.
| Registered | Tests | First-time pass | vs model (85.7%) |
|---|---|---|---|
| 1989 | 175 | 85.7% | +0.0 pp |
| 1990 | 309 | 83.5% | -2.2 pp |
| 1991 | 81 | 81.5% | -4.2 pp |
| 1992 | 319 | 84.0% | -1.7 pp |
| 1993 | 166 | 87.3% | +1.6 pp |
| 1994 | 166 | 85.5% | -0.2 pp |
| 1995 | 242 | 90.5% | +4.8 pp |
| 1996 | 82 | 80.5% | -5.2 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 ETZ251 years have the lowest MOT pass rate?
- 1990, 1991, 1996 registered examples pass first time less often than the MZ ETZ251 overall (85.7%); the 1996 cohort is lowest at 80.5% from 82 tests.
- Which ETZ251 year has the highest MOT pass rate?
- 1995, at 90.5% of 242 first tests (2005–2025).
- How much does the ETZ251 pass rate vary by year?
- 10.0 percentage points between the highest (1995, 90.5%) and lowest (1996, 80.5%) 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: MZ ETZ251 reliability, failures and mileage · ranked #2308 of 5428 models· other MZ models: Baghira, ETZ250, Skorpion, TS250, ETZ125, TS125