Royal Alloy GP 300 LC MOT pass rate and common failures
Royal Alloy GP 300 LC motorcycles pass the MOT 91.81% of the time, measured across 293 tests in the DVSA record. A further 3.07% passed only after a defect was put right at the test station.
What to check before the MOT
Built from this model's own failure record, not general advice.
- Start with has excessive play - it accounts for 33.3% of failed tests on this model.
- Then check tread depth is below minimum requirements of 1.0mm and does not conform to the specified requirements, the next two most common reasons.
- The most common advisory is tread depth is below minimum requirements of 1.0mm (6.8% of all tests) - not a failure, but money you will spend sooner or later.
- Average recorded mileage at test is 3,678 miles, which is the number to compare any advert against.
Pass rate by age
A single pass rate hides the most useful thing in this data: how the same model behaves at three years old and at fifteen.
| Age at test | Pass rate | Tests | |
|---|---|---|---|
| 3-5 years | 91.81% | 293 |
Why the Royal Alloy GP 300 LC fails
Share of failed tests on this model where the item was recorded. One test can fail on several items, so the column does not add up to 100%.
| # | Item | Of failures | Tests | |
|---|---|---|---|---|
| 1 | Has excessive play | 33.3% | 5 | |
| 2 | Tread depth is below minimum requirements of 1.0mm | 33.3% | 5 | |
| 3 | Does not conform to the specified requirements | 26.7% | 4 | |
| 4 | Rough when rotated | 26.7% | 4 | |
| 5 | Flashing more than 120 times a minute | 20% | 3 | |
| 6 | Too high | 20% | 3 | |
| 7 | Not working | 13.3% | 2 | |
| 8 | With a multiple light source up to 1/2 not functioning | 13.3% | 2 | |
| 9 | Control functioning such that safe operation of the motorcycle is adversely affected | 6.7% | 1 | |
| 10 | Excessively stiff or notchy | 6.7% | 1 |
Most common advisories
Not a failure and not a legal requirement to fix - but an advisory that repeats year after year is money the next owner spends.
| # | Item | Of all tests | Tests | |
|---|---|---|---|---|
| 1 | Tread depth is below minimum requirements of 1.0mm | 6.8% | 20 | |
| 2 | Noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition | 5.5% | 16 | |
| 3 | Excessively stiff or notchy | 2.4% | 7 | |
| 4 | Has excessive play | 1% | 3 | |
| 5 | Has excessive wear or free play | 0.7% | 2 | |
| 6 | Has a serious fluid leak | 0.3% | 1 | |
| 7 | Inscription illegible | 0.3% | 1 | |
| 8 | Light intensity significantly reduced | 0.3% | 1 | |
| 9 | Nail in tyre | 0.3% | 1 | |
| 10 | Significantly and obviously worn | 0.3% | 1 |
Royal Alloy GP 300 LC for sale
No Royal Alloy GP 300 LC in stock at the moment - 83 other Royal Alloy bikes are advertised.
Similar bikes compared
Models of comparable capacity, so the comparison means something.
| Model | Tests | Pass rate | Avg mileage | |
|---|---|---|---|---|
| Piaggio VESPA GTS · 240-300cc | 4,305 | 92.15% | 9,875 | |
| Honda CRF 220-250cc · 220-250cc | 2,452 | 89.76% | 7,549 | |
| Royal Enfield METEOR 350 · 349cc | 2,133 | 93.95% | 4,543 | |
| Honda NSS 250-297cc · 250-297cc | 1,397 | 90.34% | 17,407 | |
| Honda CRF 300 LA-M · 286cc | 1,297 | 88.43% | 3,963 | |
| BMW G310 · 313cc | 1,129 | 90.79% | 7,243 |
Source: DVSA MOT testing data, 2025 · updated Aug 2026 · licence and method