Data as of: DVSA MOT results to 2025
Yamaha RD350LC: MOT pass rate by registration year
Which RD350LC years pass first time, and which fall short of the model's 85.1% average, from 2,096 DVSA tests.
Pass rate by registration year
Highest pass rate: 1983 (90.0% of 170 tests). Lowest: 1985 (80.0% of 55). Years more than two points below the model average: 1985, 1986.
| Registered | Tests | First-time pass | vs model (85.1%) |
|---|---|---|---|
| 1980 | 295 | 84.7% | -0.4 pp |
| 1981 | 733 | 85.0% | -0.1 pp |
| 1982 | 426 | 84.7% | -0.4 pp |
| 1983 | 170 | 90.0% | +4.9 pp |
| 1984 | 106 | 84.9% | -0.2 pp |
| 1985 | 55 | 80.0% | -5.1 pp |
| 1986 | 85 | 81.2% | -3.9 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 RD350LC years have the lowest MOT pass rate?
- 1985, 1986 registered examples pass first time less often than the Yamaha RD350LC overall (85.1%); the 1985 cohort is lowest at 80.0% from 55 tests.
- Which RD350LC year has the highest MOT pass rate?
- 1983, at 90.0% of 170 first tests (2005–2025).
- How much does the RD350LC pass rate vary by year?
- 10.0 percentage points between the highest (1983, 90.0%) and lowest (1985, 80.0%) 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 RD350LC reliability, failures and mileage · ranked #2469 of 5428 models· other Yamaha models: YZF-R1, YZF-R6, FZS600, YBR 125, XJR1300, FZ6