KTM 300 MOT pass rate and common failures
KTM 300 motorcycles pass the MOT 82.92% of the time, measured across 240 tests in the DVSA record. A further 8.33% 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 not working - it accounts for 76.2% of failed tests on this model.
- Then check missing and does not conform to the specified requirements, the next two most common reasons.
- Age matters here: 85.81% of 6-10 year old examples pass, against 79.71% at 11-15 years - a gap of 6.1 points.
- The most common advisory is has excessive play (12.5% of all tests) - not a failure, but money you will spend sooner or later.
- Average recorded mileage at test is 3,551 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 | |
|---|---|---|---|
| 6-10 years | 85.81% | 148 | |
| 11-15 years | 79.71% | 69 |
Why the KTM 300 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 | Not working | 76.2% | 16 | |
| 2 | Missing | 57.1% | 12 | |
| 3 | Does not conform to the specified requirements | 52.4% | 11 | |
| 4 | Has excessive play | 23.8% | 5 | |
| 5 | Spoke excessively loose | 19% | 4 | |
| 6 | Has a serious fluid leak | 14.3% | 3 | |
| 7 | Incorrect | 9.5% | 2 | |
| 8 | Less than 1.0 mm thick | 9.5% | 2 | |
| 9 | Missing in the case of a single lamp or all lamps | 9.5% | 2 | |
| 10 | Not fitted in accordance with side wall instructions | 9.5% | 2 |
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 | Has excessive play | 12.5% | 30 | |
| 2 | Has a serious fluid leak | 5% | 12 | |
| 3 | Less than 1.0 mm thick | 5% | 12 | |
| 4 | Worn to excess | 3.3% | 8 | |
| 5 | Excessively loose | 2.5% | 6 | |
| 6 | Sprocket worn to excess | 2.5% | 6 | |
| 7 | Significantly and obviously worn | 2.1% | 5 | |
| 8 | Is so short that the brake cannot be readily applied | 1.7% | 4 | |
| 9 | Noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition | 1.7% | 4 | |
| 10 | Pin or bush excessively worn | 1.7% | 4 |
KTM 300 for sale
No KTM 300 in stock at the moment - 296 other KTM 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