Pass rate over time
The 125 EXC's first-time pass rate has risen 11.0 points since 2006, 63.2% to 74.2%.
What fails on a 125 EXC
| Component group | Share of defects | Defects | % of defects | vs all bikes |
|---|---|---|---|---|
| lighting and signalling |
|
588 | 39.4 | 3.0× |
| steering and suspension |
|
213 | 14.3 | 2.1× |
| brakes |
|
158 | 10.6 | 1.3× |
| tyres and wheels |
|
121 | 8.1 | 2.0× |
| lamps and reflectors |
|
121 | 8.1 | 1.5× |
| reg plates and vin |
|
100 | 6.7 | 6.2× |
| drive system |
|
73 | 4.9 | 3.6× |
| suspension |
|
71 | 4.8 | 3.1× |
| tyres |
|
25 | 1.7 | 1.4× |
| structure and attachments |
|
23 | 1.5 | 1.4× |
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 125 EXC beats 0 of its 4 closest rivals (YAMAHA YBR 125, HONDA CG125, HONDA CBF125).
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 125 EXC.
Pass rate by registration year
Best year to buy used: 2008 (71.8% pass). Weakest: 1999 (53.4%).
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 125 EXC FAQ
Is the KTM 125 EXC reliable?
The KTM 125 EXC is less reliable than average for its class: 67.1% of its 2,044 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #4900 of 5426 models.
What does a 125 EXC fail its MOT on most?
lighting and signalling — 39% of all defects recorded against failed 125 EXC tests.
What is the best year of 125 EXC to buy used?
By first-time pass rate, 2008-registered examples do best (71.8%) and 1999 worst (53.4%). Condition and history still trump the year.