KAWASAKI BN125A2
Pass rate over time
The BN125A2's first-time pass rate has held steady since 2006 (69.0% → 69.4%).
Pass rate by mileage
A low-mileage BN125A2 passes first time 78.0% of the time; by 20k that's 58.1%.
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 BN125A2
| Component group | Share of defects | Defects | % of defects |
|---|---|---|---|
| brakes |
|
28 | 20.9 |
| steering and suspension |
|
24 | 17.9 |
| lighting and signalling |
|
19 | 14.2 |
| drive system |
|
17 | 12.7 |
| tyres and wheels |
|
17 | 12.7 |
| fuel and exhaust |
|
8 | 6 |
| body and structure |
|
7 | 5.2 |
| structure and attachments |
|
6 | 4.5 |
| lamps and reflectors |
|
5 | 3.7 |
| driving controls |
|
3 | 2.2 |
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 BN125A2 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 BN125A2.
Pass rate by registration year
Best year to buy used: 1999 (71.4% pass). Weakest: 2000 (60.4%).
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.