Yamaha RS125
Real ownership data from 131 UK RS125 motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common RS125 problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Brakes | major | 8.4% |
| Tyres | dangerous | 5.8% |
| Lights and indicators | major | 5.8% |
| Chain and sprockets | major | 5.1% |
| Suspension | fail | 4.3% |
| Electrical | fail | 4.1% |
| Other | user entered | 3.3% |
| Wheels | fail | 3.3% |
Advisories (wear noted but not failed) are excluded above; the most common is suspension.
RS125 mileage and reliability by year
Use this to judge whether a specific bike is high or low mileage for its age.
| YearYear | MedianMedian mileage | Mi/yrMiles/year | MOT passFirst-time pass | |
|---|---|---|---|---|
| 1984 | 10 | 16,976 mi | 202 | 58.82% |
| 1983 | 12 | 15,480 mi | 315 | 80.95% |
| 1982 | 7 | 18,695 mi | 685 | 68.42% |
| 1981 | 11 | 20,735 mi | 26 | 62.5% |
| 1980 | 7 | 20,742 mi | 385 | 73.68% |
| 1979 | 19 | 18,321 mi | 144 | 68.12% |
| 1978 | 15 | 33,347 mi | 114 | 76.27% |
| 1977 | 6 | 15,000 mi | 168 | 72.22% |
| 1976 | 13 | 18,084 mi | 108 | 77.42% |
| 1975 | 8 | 17,876 mi | 602 | 83.87% |
RS125 questions, answered with data
What are the most common problems with the Yamaha RS125?
Across 131 UK examples, the most frequently recorded MOT faults are brakes (8.4% of all recorded faults), tyres (5.8% of all recorded faults), lights and indicators (5.8% of all recorded faults).
What is average mileage for a Yamaha RS125?
The median Yamaha RS125 in the UK has covered 17,316 miles, and typically rides about 269 miles a year. Half of all examples fall between 10,201 and 25,868 miles.
Is the Yamaha RS125 reliable?
71.91% of Yamaha RS125 MOT tests are passed first time, with an average of 0.79 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 131 Yamaha RS125 motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.