Data as of: DVSA MOT results to 2025
Yamaha CS50: MOT pass rate by registration year
Which CS50 years pass first time, and which fall short of the model's 67.4% average, from 5,046 DVSA tests.
Pass rate by registration year
Highest pass rate: 2011 (75.4% of 203 tests). Lowest: 2012 (61.9% of 63). Years more than two points below the model average: 2002, 2003, 2004, 2005, 2007, 2012.
| Registered | Tests | First-time pass | vs model (67.4%) |
|---|---|---|---|
| 2002 | 483 | 63.6% | -3.8 pp |
| 2003 | 513 | 63.9% | -3.5 pp |
| 2004 | 644 | 64.3% | -3.1 pp |
| 2005 | 525 | 64.6% | -2.8 pp |
| 2006 | 429 | 69.0% | +1.6 pp |
| 2007 | 507 | 64.7% | -2.7 pp |
| 2008 | 726 | 72.5% | +5.1 pp |
| 2009 | 439 | 70.2% | +2.8 pp |
| 2010 | 390 | 70.5% | +3.1 pp |
| 2011 | 203 | 75.4% | +8.0 pp |
| 2012 | 63 | 61.9% | -5.5 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 CS50 years have the lowest MOT pass rate?
- 2002, 2003, 2004, 2005, 2007, 2012 registered examples pass first time less often than the Yamaha CS50 overall (67.4%); the 2012 cohort is lowest at 61.9% from 63 tests.
- Which CS50 year has the highest MOT pass rate?
- 2011, at 75.4% of 203 first tests (2005–2025). Years more than two points above the model average: 2008, 2009, 2010, 2011.
- How much does the CS50 pass rate vary by year?
- 13.5 percentage points between the highest (2011, 75.4%) and lowest (2012, 61.9%) 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 CS50 reliability, failures and mileage · ranked #4889 of 5428 models· other Yamaha models: YZF-R1, YZF-R6, FZS600, YBR 125, XJR1300, FZ6