Yamaha DT125
Real ownership data from 11,087 UK DT125 motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common DT125 problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Brakes | major | 5.6% |
| Lights and indicators | minor | 5.3% |
| Suspension | major | 3.2% |
| Tyres | fail | 2.8% |
| Other | major | 2.4% |
| Chain and sprockets | major | 1.7% |
| Electrical | major | 1.6% |
| Controls and cables | major | 0.8% |
Advisories (wear noted but not failed) are excluded above; the most common is wheels.
DT125 mileage and reliability by year
Use this to judge whether a specific bike is high or low mileage for its age.
| Year | Examples | Median mileage | Miles/year | First-time pass |
|---|---|---|---|---|
| 2021 | 17 | 14,953 mi | 260 | 75% |
| 2020 | 34 | 14,837 mi | 151 | 86.61% |
| 2019 | 43 | 14,205 mi | 423 | 83.21% |
| 2018 | 50 | 11,801 mi | 884 | 80.46% |
| 2017 | 51 | 14,297 mi | 640 | 78.64% |
| 2016 | 56 | 14,940 mi | 395 | 75.45% |
| 2015 | 28 | 18,283 mi | 1,367 | 82.29% |
| 2014 | 8 | 12,030 mi | 46 | 66.67% |
| 2013 | 11 | 19,190 mi | 227 | 84.31% |
| 2012 | 7 | 15,995 mi | 311 | 74.07% |
| 2011 | 5 | 12,046 mi | 899 | 80.77% |
| 2010 | 9 | 10,473 mi | 132 | 81.58% |
| 2009 | 12 | 13,559 mi | 1,466 | 77.27% |
| 2008 | 11 | 21,314 mi | 2,326 | 68.12% |
| 2007 | 737 | 14,350 mi | 1,277 | 69.89% |
| 2006 | 598 | 15,458 mi | 1,212 | 69.18% |
| 2005 | 863 | 15,534 mi | 1,291 | 68.75% |
| 2004 | 656 | 13,602 mi | 1,324 | 67.69% |
| 2003 | 1,240 | 14,804 mi | 1,321 | 67.14% |
| 2002 | 1,136 | 15,692 mi | 1,128 | 67.46% |
DT125 questions, answered with data
What are the most common problems with the Yamaha DT125?
Across 11,087 UK examples, the most frequently recorded MOT faults are brakes (5.6% of all recorded faults), lights and indicators (5.3% of all recorded faults), suspension (3.2% of all recorded faults).
What is average mileage for a Yamaha DT125?
The median Yamaha DT125 in the UK has covered 16,082 miles, and typically rides about 1,010 miles a year. Half of all examples fall between 9,285 and 24,002 miles.
Is the Yamaha DT125 reliable?
67.87% of Yamaha DT125 MOT tests are passed first time, with an average of 1.78 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 11,087 Yamaha DT125 motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.