Data as of: DVSA MOT results to 2025
Yamaha RD125: MOT pass rate by registration year
Which RD125 years pass first time, and which fall short of the model's 75.6% average, from 3,300 DVSA tests.
Pass rate by registration year
Highest pass rate: 1977 (86.5% of 52 tests). Lowest: 1988 (69.8% of 116). Years more than two points below the model average: 1980, 1983, 1985, 1986, 1987, 1988, 1989.
| Registered | Tests | First-time pass | vs model (75.6%) |
|---|---|---|---|
| 1977 | 52 | 86.5% | +10.9 pp |
| 1978 | 62 | 80.6% | +5.0 pp |
| 1979 | 83 | 78.3% | +2.7 pp |
| 1980 | 95 | 70.5% | -5.1 pp |
| 1981 | 135 | 75.6% | +0.0 pp |
| 1982 | 206 | 80.6% | +5.0 pp |
| 1983 | 311 | 73.3% | -2.3 pp |
| 1984 | 400 | 79.5% | +3.9 pp |
| 1985 | 587 | 73.1% | -2.5 pp |
| 1986 | 480 | 72.7% | -2.9 pp |
| 1987 | 363 | 72.2% | -3.4 pp |
| 1988 | 116 | 69.8% | -5.8 pp |
| 1989 | 59 | 72.9% | -2.7 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 RD125 years have the lowest MOT pass rate?
- 1980, 1983, 1985, 1986, 1987, 1988, 1989 registered examples pass first time less often than the Yamaha RD125 overall (75.6%); the 1988 cohort is lowest at 69.8% from 116 tests.
- Which RD125 year has the highest MOT pass rate?
- 1977, at 86.5% of 52 first tests (2005–2025). Years more than two points above the model average: 1977, 1978, 1979, 1982, 1984.
- How much does the RD125 pass rate vary by year?
- 16.7 percentage points between the highest (1977, 86.5%) and lowest (1988, 69.8%) 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: Yamaha RD125 reliability, failures and mileage · ranked #4233 of 5428 models· other Yamaha models: YZF-R1, YZF-R6, FZS600, YBR 125, XJR1300, FZ6