Data as of: DVSA MOT results to 2025
Yamaha BWS: MOT pass rate by registration year
Which BWS years pass first time, and which fall short of the model's 76.7% average, from 1,487 DVSA tests.
Pass rate by registration year
Highest pass rate: 2010 (82.6% of 86 tests). Lowest: 1996 (59.6% of 52). Years more than two points below the model average: 1990, 1991, 1996, 1997.
| Registered | Tests | First-time pass | vs model (76.7%) |
|---|---|---|---|
| 1990 | 90 | 67.8% | -8.9 pp |
| 1991 | 65 | 73.8% | -2.9 pp |
| 1992 | 65 | 81.5% | +4.8 pp |
| 1996 | 52 | 59.6% | -17.1 pp |
| 1997 | 57 | 70.2% | -6.5 pp |
| 2010 | 86 | 82.6% | +5.9 pp |
| 2011 | 197 | 78.7% | +2.0 pp |
| 2012 | 84 | 76.2% | -0.5 pp |
| 2013 | 144 | 75.7% | -1.0 pp |
| 2014 | 301 | 81.1% | +4.4 pp |
| 2015 | 71 | 80.3% | +3.6 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 BWS years have the lowest MOT pass rate?
- 1990, 1991, 1996, 1997 registered examples pass first time less often than the Yamaha BWS overall (76.7%); the 1996 cohort is lowest at 59.6% from 52 tests.
- Which BWS year has the highest MOT pass rate?
- 2010, at 82.6% of 86 first tests (2005–2025). Years more than two points above the model average: 1992, 2010, 2014, 2015.
- How much does the BWS pass rate vary by year?
- 23.0 percentage points between the highest (2010, 82.6%) and lowest (1996, 59.6%) 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: Yamaha BWS reliability, failures and mileage · ranked #4096 of 5428 models· other Yamaha models: YZF-R1, YZF-R6, FZS600, YBR 125, XJR1300, FZ6