Data as of: DVSA MOT results to 2025
Yamaha DT125: MOT pass rate by registration year
Which DT125 years pass first time, and which fall short of the model's 65.8% average, from 39,054 DVSA tests.
Pass rate by registration year
Highest pass rate: 2020 (90.2% of 92 tests). Lowest: 1994 (59.8% of 371). Years more than two points below the model average: 1990, 1992, 1994, 1995, 1996, 1997, 1999, 2000, 2001.
| Registered | Tests | First-time pass | vs model (65.8%) |
|---|---|---|---|
| 1971 | 262 | 64.1% | -1.7 pp |
| 1978 | 67 | 89.6% | +23.8 pp |
| 1979 | 67 | 88.1% | +22.3 pp |
| 1980 | 119 | 79.0% | +13.2 pp |
| 1981 | 203 | 77.3% | +11.5 pp |
| 1982 | 288 | 75.3% | +9.5 pp |
| 1983 | 312 | 69.9% | +4.1 pp |
| 1984 | 264 | 67.0% | +1.2 pp |
| 1985 | 333 | 67.6% | +1.8 pp |
| 1986 | 352 | 68.5% | +2.7 pp |
| 1987 | 378 | 69.3% | +3.5 pp |
| 1988 | 554 | 64.1% | -1.7 pp |
| 1989 | 883 | 65.0% | -0.8 pp |
| 1990 | 1,035 | 62.2% | -3.6 pp |
| 1991 | 666 | 65.0% | -0.8 pp |
| 1992 | 570 | 60.7% | -5.1 pp |
| 1993 | 251 | 70.9% | +5.1 pp |
| 1994 | 371 | 59.8% | -6.0 pp |
| 1995 | 321 | 60.4% | -5.4 pp |
| 1996 | 444 | 60.4% | -5.4 pp |
| 1997 | 715 | 61.0% | -4.8 pp |
| 1998 | 1,005 | 65.4% | -0.4 pp |
| 1999 | 1,793 | 62.9% | -2.9 pp |
| 2000 | 2,010 | 63.7% | -2.1 pp |
| 2001 | 3,407 | 62.3% | -3.5 pp |
| 2002 | 4,299 | 64.7% | -1.1 pp |
| 2003 | 4,894 | 66.0% | +0.2 pp |
| 2004 | 2,767 | 66.4% | +0.6 pp |
| 2005 | 4,058 | 67.1% | +1.3 pp |
| 2006 | 2,598 | 67.3% | +1.5 pp |
| 2007 | 2,950 | 68.2% | +2.4 pp |
| 2016 | 82 | 76.8% | +11.0 pp |
| 2017 | 88 | 83.0% | +17.2 pp |
| 2018 | 110 | 88.2% | +22.4 pp |
| 2019 | 93 | 84.9% | +19.1 pp |
| 2020 | 92 | 90.2% | +24.4 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 DT125 years have the lowest MOT pass rate?
- 1990, 1992, 1994, 1995, 1996, 1997, 1999, 2000, 2001 registered examples pass first time less often than the Yamaha DT125 overall (65.8%); the 1994 cohort is lowest at 59.8% from 371 tests.
- Which DT125 year has the highest MOT pass rate?
- 2020, at 90.2% of 92 first tests (2005–2025). Years more than two points above the model average: 1978, 1979, 1980, 1981, 1982, 1983, 1986, 1987, 1993, 2007, 2016, 2017, 2018, 2019, 2020.
- How much does the DT125 pass rate vary by year?
- 30.4 percentage points between the highest (2020, 90.2%) and lowest (1994, 59.8%) 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 DT125 reliability, failures and mileage · ranked #4979 of 5428 models· other Yamaha models: YZF-R1, YZF-R6, FZS600, YBR 125, XJR1300, FZ6