Data as of: DVSA MOT results to 2025
Yamaha YP400: MOT pass rate by registration year
Which YP400 years pass first time, and which fall short of the model's 85.8% average, from 4,780 DVSA tests.
Pass rate by registration year
Highest pass rate: 2014 (93.8% of 64 tests). Lowest: 2008 (81.9% of 520). Years more than two points below the model average: 2008.
| Registered | Tests | First-time pass | vs model (85.8%) |
|---|---|---|---|
| 2004 | 868 | 88.2% | +2.4 pp |
| 2005 | 795 | 84.7% | -1.1 pp |
| 2006 | 541 | 86.1% | +0.3 pp |
| 2007 | 473 | 86.0% | +0.2 pp |
| 2008 | 520 | 81.9% | -3.9 pp |
| 2009 | 306 | 86.6% | +0.8 pp |
| 2010 | 437 | 84.0% | -1.8 pp |
| 2011 | 292 | 88.4% | +2.6 pp |
| 2012 | 248 | 84.7% | -1.1 pp |
| 2013 | 188 | 86.2% | +0.4 pp |
| 2014 | 64 | 93.8% | +8.0 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 YP400 years have the lowest MOT pass rate?
- 2008 registered examples pass first time less often than the Yamaha YP400 overall (85.8%); the 2008 cohort is lowest at 81.9% from 520 tests.
- Which YP400 year has the highest MOT pass rate?
- 2014, at 93.8% of 64 first tests (2005–2025). Years more than two points above the model average: 2004, 2011, 2014.
- How much does the YP400 pass rate vary by year?
- 11.9 percentage points between the highest (2014, 93.8%) and lowest (2008, 81.9%) 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 YP400 reliability, failures and mileage · ranked #2266 of 5428 models· other Yamaha models: YZF-R1, YZF-R6, FZS600, YBR 125, XJR1300, FZ6