Royal Alloy TG 300
Real ownership data from 693 UK TG 300 motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common TG 300 problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Lights and indicators | major | 17% |
| Steering and head bearings | dangerous | 6.1% |
| Tyres | dangerous | 4.8% |
| Other | major | 3.7% |
| Brakes | major | 2.1% |
| Brake discs and pads | dangerous | 1.9% |
| Wheels | major | 0.8% |
| Suspension | major | 0.5% |
Advisories (wear noted but not failed) are excluded above; the most common is exhaust and emissions.
TG 300 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 |
|---|---|---|---|---|
| 2025 | 13 | — | — | — |
| 2024 | 102 | — | — | — |
| 2023 | 79 | 3,132 mi | 82 | 94.12% |
| 2022 | 175 | 3,451 mi | 887 | 92.16% |
| 2021 | 209 | 3,690 mi | 596 | 91.25% |
| 2020 | 115 | 3,568 mi | 606 | 91.46% |
TG 300 questions, answered with data
What are the most common problems with the Royal Alloy TG 300?
Across 693 UK examples, the most frequently recorded MOT faults are lights and indicators (17% of all recorded faults), steering and head bearings (6.1% of all recorded faults), tyres (4.8% of all recorded faults).
What is average mileage for a Royal Alloy TG 300?
The median Royal Alloy TG 300 in the UK has covered 3,530 miles, and typically rides about 642 miles a year. Half of all examples fall between 1,931 and 5,620 miles.
Is the Royal Alloy TG 300 reliable?
91.63% of Royal Alloy TG 300 MOT tests are passed first time, with an average of 0.34 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 693 Royal Alloy TG 300 motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.