MOT cost .

Ktm

125 Duke 19

677 MOT tests analysed. lands in the middle of the pack — here's where 125 Duke 19s pass, fail, and end up on the retest sheet.

That's in line with the UK fleet average across our 1,988 tracked models.

Pass

76.1%

Pass-after-fix

9.2%

Fail

14.0%

Avg miles

8,385

Pass + Pass-after-fix + Fail = 100%

The picture

125 Duke 19: middle-of-the-pack on first-time pass

Across 677 MOT tests, the 125 Duke 19 returns 76.1% first-time pass — roughly in line with the UK fleet average. The single most-logged Major fail is a missing rear reflector. A binding brake and footrest missing or insecure round out the top three. Average tested mileage sits at 8,385, which is the lens to read those failure rankings through. If you own one and the next test is close, the ranked list below is a sensible pre-test checklist.

Top ten reasons for rejection.

  1. 01

    Reflector missing or reflecting white to the rear

    24 occurrences · 3.5% of tests

  2. 02

    Significant brake effort recorded with no brake applied indicating a binding brake

    20 occurrences · 3.0% of tests

  3. 03

    A footrest missing or insecure

    11 occurrences · 1.6% of tests

  4. 04

    A direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning

    10 occurrences · 1.5% of tests

  5. 05

    A transmission belt, chain, sprocket or pulley excessively loose or worn

    10 occurrences · 1.5% of tests

  6. 06

    Rate of flashing not between 60 and 120 times per minute

    8 occurrences · 1.2% of tests

  7. 07

    Excessive fluctuation in brake effort through each wheel revolution

    7 occurrences · 1.0% of tests

  8. 08

    A shock absorber not functioning or leaking severely

    7 occurrences · 1.0% of tests

  9. 09

    A transmission belt, chain, sprocket or pulley excessively loose or worn

    7 occurrences · 1.0% of tests

  10. 10

    Significant brake effort recorded with no brake applied indicating a binding brake

    7 occurrences · 1.0% of tests

Counts cover Major and Dangerous defects logged at test. Advisory items excluded so this shows why a car was rejected, not just what the tester flagged in passing.

Try the calculator

Build your own retest budget.

Buying or keeping a 125 Duke 19?

Use the failure ranking as a pre-test checklist or a haggling lever. Treat the headline pass rate as a fleet-wide trend, not a guarantee on any individual car.

If you own a 125 Duke 19 and your last MOT looked nothing like the ranked failures above, that's normal — individual cars vary widely. The ranking shows the patterns testers flag most often across the country.