Yamaha BW's 125
Real ownership data from 1,032 UK BW's 125 motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common BW's 125 problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Other | dangerous | 9.5% |
| Steering and head bearings | dangerous | 7.5% |
| Tyres | major | 7.2% |
| Suspension | fail | 6.1% |
| Brakes | dangerous | 5.1% |
| Lights and indicators | dangerous | 4.9% |
| Electrical | fail | 4.1% |
| Controls and cables | dangerous | 3.7% |
Advisories (wear noted but not failed) are excluded above; the most common is other.
BW's 125 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 |
|---|---|---|---|---|
| 2016 | 9 | 17,744 mi | 2,289 | 74.36% |
| 2015 | 17 | 19,408 mi | 2,436 | 79.07% |
| 2014 | 83 | 15,106 mi | 2,104 | 79.78% |
| 2013 | 133 | 17,147 mi | 1,933 | 78.9% |
| 2012 | 204 | 13,914 mi | 1,319 | 78.13% |
| 2011 | 231 | 15,028 mi | 1,570 | 76.88% |
| 2010 | 198 | 16,190 mi | 1,759 | 77.52% |
| 1999 | 5 | 5,048 mi | 575 | 72.73% |
| 1998 | 7 | 7,467 mi | 1,079 | 50% |
| 1997 | 10 | 10,260 mi | 385 | 74.63% |
| 1996 | 12 | 5,158 mi | 200 | 60.38% |
| 1995 | 12 | 4,470 mi | 668 | 86.89% |
| 1994 | 9 | 3,556 mi | 126 | 74.29% |
| 1993 | 7 | 6,637 mi | 132 | 90% |
| 1992 | 18 | 3,293 mi | 354 | 83.1% |
| 1991 | 18 | 3,965 mi | 30 | 75% |
| 1990 | 30 | 4,126 mi | 236 | 73.87% |
BW's 125 questions, answered with data
What are the most common problems with the Yamaha BW's 125?
Across 1,032 UK examples, the most frequently recorded MOT faults are other (9.5% of all recorded faults), steering and head bearings (7.5% of all recorded faults), tyres (7.2% of all recorded faults).
What is average mileage for a Yamaha BW's 125?
The median Yamaha BW's 125 in the UK has covered 13,261 miles, and typically rides about 1,564 miles a year. Half of all examples fall between 6,762 and 21,662 miles.
Is the Yamaha BW's 125 reliable?
77.48% of Yamaha BW's 125 MOT tests are passed first time, with an average of 0.15 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 1,032 Yamaha BW's 125 motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.