Data as of: DVSA MOT results to 2025
Yamaha SRX400: MOT pass rate by registration year
Which SRX400 years pass first time, and which fall short of the model's 71.4% average, from 723 DVSA tests.
Pass rate by registration year
Highest pass rate: 1991 (80.0% of 95 tests). Lowest: 1986 (64.2% of 95). Years more than two points below the model average: 1986, 1987.
| Registered | Tests | First-time pass | vs model (71.4%) |
|---|---|---|---|
| 1985 | 93 | 72.0% | +0.6 pp |
| 1986 | 95 | 64.2% | -7.2 pp |
| 1987 | 117 | 65.0% | -6.4 pp |
| 1990 | 106 | 75.5% | +4.1 pp |
| 1991 | 95 | 80.0% | +8.6 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 SRX400 years have the lowest MOT pass rate?
- 1986, 1987 registered examples pass first time less often than the Yamaha SRX400 overall (71.4%); the 1986 cohort is lowest at 64.2% from 95 tests.
- Which SRX400 year has the highest MOT pass rate?
- 1991, at 80.0% of 95 first tests (2005–2025). Years more than two points above the model average: 1990, 1991.
- How much does the SRX400 pass rate vary by year?
- 15.8 percentage points between the highest (1991, 80.0%) and lowest (1986, 64.2%) 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 SRX400 reliability, failures and mileage · ranked #4618 of 5428 models· other Yamaha models: YZF-R1, YZF-R6, FZS600, YBR 125, XJR1300, FZ6