Yamaha QT50
Real ownership data from 288 UK QT50 motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common QT50 problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Lights and indicators | major | 25% |
| Brakes | major | 9.9% |
| Tyres | dangerous | 5% |
| Electrical | fail | 4.3% |
| Other | fail | 4.1% |
| Suspension | fail | 1.8% |
| Steering and head bearings | fail | 1.4% |
| Exhaust and emissions | fail | 0.8% |
Advisories (wear noted but not failed) are excluded above; the most common is suspension.
QT50 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 |
|---|---|---|---|---|
| 1993 | 18 | 3,422 mi | 81 | 79.75% |
| 1992 | 24 | 4,776 mi | 121 | 82.4% |
| 1991 | 29 | 5,912 mi | 109 | 89.58% |
| 1990 | 40 | 5,742 mi | 87 | 84.7% |
| 1989 | 34 | 4,500 mi | 112 | 79% |
| 1988 | 24 | 5,733 mi | 55 | 75.47% |
| 1987 | 30 | 5,892 mi | 48 | 76.09% |
| 1986 | 25 | 2,638 mi | 82 | 81.88% |
| 1982 | 36 | 5,137 mi | 243 | 85.92% |
| 1981 | 12 | 4,996 mi | — | 77.78% |
QT50 questions, answered with data
What are the most common problems with the Yamaha QT50?
Across 288 UK examples, the most frequently recorded MOT faults are lights and indicators (25% of all recorded faults), brakes (9.9% of all recorded faults), tyres (5% of all recorded faults).
What is average mileage for a Yamaha QT50?
The median Yamaha QT50 in the UK has covered 5,228 miles, and typically rides about 90 miles a year. Half of all examples fall between 2,560 and 7,165 miles.
Is the Yamaha QT50 reliable?
82.63% of Yamaha QT50 MOT tests are passed first time, with an average of 0.82 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 288 Yamaha QT50 motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.