Yamaha TT
Real ownership data from 89 UK TT motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common TT problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Lights and indicators | major | 15.6% |
| Brakes | dangerous | 6.5% |
| Other | fail | 6% |
| Tyres | major | 3.9% |
| Electrical | fail | 2.9% |
| Chain and sprockets | major | 2.9% |
| Brake discs and pads | fail | 1.3% |
| Steering and head bearings | fail | 1% |
Advisories (wear noted but not failed) are excluded above; the most common is other.
TT 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 |
|---|---|---|---|---|
| 2018 | 6 | 120 mi | 182 | 57.14% |
| 1978 | 7 | 10,624 mi | 94 | 92.31% |
| 1977 | 9 | 1,826 mi | — | 88.89% |
| 1976 | 5 | 4,400 mi | — | 100% |
TT questions, answered with data
What are the most common problems with the Yamaha TT?
Across 89 UK examples, the most frequently recorded MOT faults are lights and indicators (15.6% of all recorded faults), brakes (6.5% of all recorded faults), other (6% of all recorded faults).
What is average mileage for a Yamaha TT?
The median Yamaha TT in the UK has covered 4,336 miles, and typically rides about 190 miles a year. Half of all examples fall between 446 and 10,094 miles.
Is the Yamaha TT reliable?
78.57% of Yamaha TT MOT tests are passed first time, with an average of 1.26 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 89 Yamaha TT motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.