Pass rate over time
The 790 DUKE 20's first-time pass rate has fallen 1.1 points since 2023, 90.0% to 88.9%.
What fails on a 790 DUKE 20
| Component group | Share of defects | Defects | % of defects | vs all bikes |
|---|---|---|---|---|
| lamps and reflectors |
|
22 | 38.6 | 1.2× |
| tyres |
|
11 | 19.3 | 2.0× |
| brakes |
|
9 | 15.8 | 0.2× |
| structure and attachments |
|
6 | 10.5 | 0.7× |
| Identification of the vehicle |
|
4 | 7 | 2.2× |
| suspension |
|
4 | 7 | 0.7× |
| steering |
|
1 | 1.8 | 0.3× |
Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects. "vs all bikes" is how often this model's tests record a defect in the group, as a multiple of the all-bike rate.
How rivals compare
On first-time pass rate the 790 DUKE 20 beats 4 of its 4 closest rivals (TRIUMPH STREET TRIPLE, APRILIA TUONO, HONDA CB600 HORNET).
Rivals share this bike's type and sit within ±30% of its engine capacity, ≥ 5,000 tests. Card colour = better/worse first-time pass rate than the 790 DUKE 20.
Pass rate by registration year
Best year to buy used: 2020 (89.6% pass). Weakest: 2021 (84.3%).
First-time pass rate by the year each bike was first registered (cohorts with ≥ 50 tests). Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years.
KTM 790 DUKE 20 FAQ
Is the KTM 790 DUKE 20 reliable?
The KTM 790 DUKE 20 is more reliable than average for its class: 88.8% of its 803 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #1332 of 5426 models.
What does a 790 DUKE 20 fail its MOT on most?
lamps and reflectors — 39% of all defects recorded against failed 790 DUKE 20 tests.