KTM 125 MOT pass rate and common failures

KTM 125 motorcycles pass the MOT 72.15% of the time, measured across 894 tests in the DVSA record. A further 9.84% passed only after a defect was put right at the test station.

Worse than average: 14.7 points below the 86.87% figure for all motorcycles tested.

Pass rate 72.15% 645 of 894

Fixed at the station 9.84% passed after an on-the-spot repair

Average mileage at test 15,527 miles

Average age at test 10.94 years old

Engine 125cc MOT class 1 and 2

For sale now 0 KTM 125 adverts

What to check before the MOT

Built from this model's own failure record, not general advice.

Start with missing - it accounts for 50.9% of failed tests on this model.
Then check not working and has a serious fluid leak, 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 (9.2% of all tests) - not a failure, but money you will spend sooner or later.
Average recorded mileage at test is 15,527 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	73.42%	553
11-15 years	68.1%	279
16+ years	76.36%	55

Why the KTM 125 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	50.9%	82
2	Not working	31.1%	50
3	Has a serious fluid leak	21.1%	34
4	Excessively binding	16.8%	27
5	Flashing more than 120 times a minute	16.1%	26
6	Excessively loose	11.8%	19
7	Does not illuminate by the operation of both brake controls	10.6%	17
8	Insecure	10.6%	17
9	Tread depth is below minimum requirements of 1.0mm	9.3%	15
10	Not working on dipped beam	8.1%	13

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	9.2%	82
2	Excessively loose	7.6%	68
3	Has a serious fluid leak	7.5%	67
4	Tread depth is below minimum requirements of 1.0mm	5.9%	53
5	Excessively binding	5.3%	47
6	Worn to excess	5.1%	46
7	Indicates excessive fluctuation of brake effort	5%	45
8	Less than 1.0 mm thick	4.3%	38
9	Has excessive play	2.8%	25
10	Sprocket worn to excess	2.5%	22

KTM 125 for sale

No KTM 125 in stock at the moment - 296 other KTM bikes are advertised.

Used KTM 125 Used KTM All KTM KTM MOT statistics

Similar bikes compared

Models of comparable capacity, so the comparison means something.

Model	Tests	Pass rate	Avg mileage
Yamaha GPD125-A NMAX 125 · 125cc	8,762	80.8%	45,039
Piaggio VESPA 79-210cc · 79-210cc	8,363	85.42%	11,710
Honda WW · 125cc	7,252	80.32%	40,134
Honda WW 125 A-M · 125cc	5,011	84.06%	29,846
Honda GLR · 125cc	4,737	79.99%	14,642
Honda CBF 100-125cc · 100-125cc	3,204	77%	15,203

Source: DVSA MOT testing data, 2025 · updated Aug 2026 · licence and method

KTM 125 MOT questions

What is the MOT pass rate for the KTM 125?+

72.15% of KTM 125 MOT tests end in a pass, based on 894 tests in the DVSA dataset.

What is the most common MOT failure on a KTM 125?+

Missing, which appears in 50.9% of failed tests on this model.

Does the KTM 125 get harder to pass as it ages?+

At 16+ years old the pass rate is 76.36%, against 73.42% for examples 6-10 years old.

Where does this data come from?+

From the DVSA anonymised MOT testing dataset, which records every MOT carried out in England, Scotland and Wales. It is published under the Open Government Licence and covers 2025.

Does a high pass rate mean the bike is reliable?+

Not by itself. The MOT checks safety items - brakes, tyres, lights, structure - and says nothing about engines, gearboxes or electrics. Read it as a maintenance signal, not a reliability score.