YAMAHA XN125
Pass rate over time
The XN125's first-time pass rate has fallen 11.0 points since 2006, 79.8% to 68.8%.
Pass rate by mileage
A low-mileage XN125 passes first time 77.4% of the time; by 20k that's 70.0%.
First-time pass rate by odometer reading at test, 10,000-mile bands for this model. Mileage is the strongest reliability signal. See the full curve.
What fails on a XN125
| Component group | Share of defects | Defects | % of defects |
|---|---|---|---|
| brakes |
|
50 | 25.1 |
| tyres and wheels |
|
41 | 20.6 |
| lighting and signalling |
|
39 | 19.6 |
| steering and suspension |
|
35 | 17.6 |
| fuel and exhaust |
|
20 | 10.1 |
| body and structure |
|
4 | 2 |
| reg plates and vin |
|
3 | 1.5 |
| tyres |
|
3 | 1.5 |
| structure and attachments |
|
2 | 1 |
| lamps and reflectors |
|
2 | 1 |
Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects.
How rivals compare
On first-time pass rate the XN125 beats 1 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 XN125.
Pass rate by registration year
Best year to buy used: 2001 (74.7% pass). Weakest: 2003 (64.5%).
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.