Royal Alloy TG 125 AC
Real ownership data from 225 UK TG 125 AC motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common TG 125 AC problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Lights and indicators | major | 21% |
| Brakes | dangerous | 8.1% |
| Exhaust and emissions | major | 3.2% |
| Brake discs and pads | dangerous | 3.2% |
| Suspension | major | 1.6% |
Advisories (wear noted but not failed) are excluded above; the most common is exhaust and emissions.
TG 125 AC 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 |
|---|---|---|---|---|
| 2026 | 5 | — | — | — |
| 2024 | 56 | — | — | — |
| 2023 | 52 | 2,566 mi | — | 85.71% |
| 2022 | 92 | 2,198 mi | 491 | 93.46% |
| 2021 | 16 | 3,777 mi | 368 | 95.65% |
TG 125 AC questions, answered with data
What are the most common problems with the Royal Alloy TG 125 AC?
Across 225 UK examples, the most frequently recorded MOT faults are lights and indicators (21% of all recorded faults), brakes (8.1% of all recorded faults), exhaust and emissions (3.2% of all recorded faults).
What is average mileage for a Royal Alloy TG 125 AC?
The median Royal Alloy TG 125 AC in the UK has covered 2,490 miles, and typically rides about 481 miles a year. Half of all examples fall between 1,296 and 5,400 miles.
Is the Royal Alloy TG 125 AC reliable?
92.72% of Royal Alloy TG 125 AC MOT tests are passed first time, with an average of 0.39 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 225 Royal Alloy TG 125 AC motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.