Data as of: DVSA MOT results to 2025
Yamaha XTZ660: MOT pass rate by registration year
Which XTZ660 years pass first time, and which fall short of the model's 82.4% average, from 2,847 DVSA tests.
Pass rate by registration year
Highest pass rate: 2008 (89.8% of 284 tests). Lowest: 1994 (70.1% of 117). Years more than two points below the model average: 1991, 1992, 1993, 1994, 1996, 1997, 1999, 2000.
| Registered | Tests | First-time pass | vs model (82.4%) |
|---|---|---|---|
| 1991 | 241 | 79.3% | -3.1 pp |
| 1992 | 202 | 79.2% | -3.2 pp |
| 1993 | 192 | 77.1% | -5.3 pp |
| 1994 | 117 | 70.1% | -12.3 pp |
| 1995 | 105 | 81.9% | -0.5 pp |
| 1996 | 210 | 80.0% | -2.4 pp |
| 1997 | 132 | 75.8% | -6.6 pp |
| 1998 | 118 | 88.1% | +5.7 pp |
| 1999 | 63 | 76.2% | -6.2 pp |
| 2000 | 70 | 72.9% | -9.5 pp |
| 2001 | 50 | 82.0% | -0.4 pp |
| 2008 | 284 | 89.8% | +7.4 pp |
| 2009 | 538 | 87.5% | +5.1 pp |
| 2010 | 195 | 83.6% | +1.2 pp |
| 2011 | 150 | 88.0% | +5.6 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 XTZ660 years have the lowest MOT pass rate?
- 1991, 1992, 1993, 1994, 1996, 1997, 1999, 2000 registered examples pass first time less often than the Yamaha XTZ660 overall (82.4%); the 1994 cohort is lowest at 70.1% from 117 tests.
- Which XTZ660 year has the highest MOT pass rate?
- 2008, at 89.8% of 284 first tests (2005–2025). Years more than two points above the model average: 1998, 2008, 2009, 2011.
- How much does the XTZ660 pass rate vary by year?
- 19.7 percentage points between the highest (2008, 89.8%) and lowest (1994, 70.1%) 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 XTZ660 reliability, failures and mileage · ranked #3108 of 5428 models· other Yamaha models: YZF-R1, YZF-R6, FZS600, YBR 125, XJR1300, FZ6