KTM 790 DUKE 20 MOT pass rate and common failures
KTM 790 DUKE 20 motorcycles pass the MOT 88.32% of the time, measured across 334 tests in the DVSA record. A further 6.59% 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 missing - it accounts for 100% of failed tests on this model.
- Then check tread depth is below minimum requirements of 1.0mm and not working, the next two most common reasons.
- The most common advisory is noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (12.6% of all tests) - not a failure, but money you will spend sooner or later.
- Average recorded mileage at test is 7,829 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 | 88.32% | 334 |
Why the KTM 790 DUKE 20 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 | Missing | 100% | 17 | |
| 2 | Tread depth is below minimum requirements of 1.0mm | 47.1% | 8 | |
| 3 | Not working | 29.4% | 5 | |
| 4 | Does not conform to the specified requirements | 23.5% | 4 | |
| 5 | Has a serious fluid leak | 17.6% | 3 | |
| 6 | Excessively loose | 11.8% | 2 | |
| 7 | Excessively tight | 11.8% | 2 | |
| 8 | Noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition | 11.8% | 2 | |
| 9 | Too high | 11.8% | 2 | |
| 10 | Too low | 11.8% | 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 | Noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition | 12.6% | 42 | |
| 2 | Tread depth is below minimum requirements of 1.0mm | 6.6% | 22 | |
| 3 | Indicates excessive fluctuation of brake effort | 4.2% | 14 | |
| 4 | Excessively loose | 1.8% | 6 | |
| 5 | Is so short that the brake cannot be readily applied | 1.2% | 4 | |
| 6 | Less than 1.0 mm thick | 1.2% | 4 | |
| 7 | In such a condition that it is seriously weakened | 0.9% | 3 | |
| 8 | Worn to excess | 0.9% | 3 | |
| 9 | Excessively tight | 0.6% | 2 | |
| 10 | Has a serious fluid leak | 0.6% | 2 |
KTM 790 DUKE 20 for sale
No KTM 790 DUKE 20 in stock at the moment - 297 other KTM bikes are advertised.
Similar bikes compared
Models of comparable capacity, so the comparison means something.
| Model | Tests | Pass rate | Avg mileage | |
|---|---|---|---|---|
| Triumph TIGER · 969cc | 16,144 | 91.27% | 22,934 | |
| Triumph BONNEVILLE 642-904cc · 642-904cc | 12,456 | 90.8% | 12,824 | |
| BMW S 1000 · 999cc | 8,445 | 91.96% | 15,282 | |
| Yamaha YZF R1 · 998cc | 6,022 | 88.01% | 23,152 | |
| Yamaha MT 800-1000cc · 800-1000cc | 5,720 | 90.98% | 16,130 | |
| Honda NC · 741cc | 5,311 | 89.53% | 22,765 |
Source: DVSA MOT testing data, 2025 · updated Aug 2026 · licence and method