KAWASAKI BX
Pass rate over time
The BX's first-time pass rate has fallen 6.4 points since 2019, 93.3% to 86.9%.
What fails on a BX
| Component group | Share of defects | Defects | % of defects | vs all bikes |
|---|---|---|---|---|
| lamps and reflectors |
|
31 | 28.4 | 1.8× |
| brakes |
|
23 | 21.1 | 0.5× |
| structure and attachments |
|
17 | 15.6 | 2.7× |
| suspension |
|
15 | 13.8 | 2.3× |
| tyres |
|
11 | 10.1 | 2.1× |
| steering |
|
6 | 5.5 | 1.9× |
| wheels |
|
2 | 1.8 | 4.4× |
| Identification of the vehicle |
|
2 | 1.8 | 1.1× |
| reg plates and vin |
|
1 | 0.9 | 0.2× |
| lighting and signalling |
|
1 | 0.9 | — |
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 BX beats 4 of its 4 closest rivals (YAMAHA YP250, YAMAHA WR250F, HONDA XR250).
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 BX.
Pass rate by registration year
Best year to buy used: 2018 (90.3% pass). Weakest: 2017 (85.9%).
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.
KAWASAKI BX FAQ
Is the KAWASAKI BX reliable?
The KAWASAKI BX is more reliable than average for its class: 89.3% of its 763 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #1180 of 5426 models.
What does a BX fail its MOT on most?
lamps and reflectors — 28% of all defects recorded against failed BX tests.
What is the best year of BX to buy used?
By first-time pass rate, 2018-registered examples do best (90.3%) and 2017 worst (85.9%). Condition and history still trump the year.