KAWASAKI ER 500-A4
Pass rate over time
The ER 500-A4's first-time pass rate has risen 2.6 points since 2006, 76.8% to 79.4%.
Pass rate by mileage
A low-mileage ER 500-A4 passes first time 83.5% of the time; by 40k that's 57.6%.
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 ER 500-A4
| Component group | Share of defects | Defects | % of defects |
|---|---|---|---|
| steering and suspension |
|
37 | 27.8 |
| lighting and signalling |
|
35 | 26.3 |
| brakes |
|
25 | 18.8 |
| tyres and wheels |
|
11 | 8.3 |
| drive system |
|
7 | 5.3 |
| lamps and reflectors |
|
6 | 4.5 |
| fuel and exhaust |
|
5 | 3.8 |
| suspension |
|
3 | 2.3 |
| structure and attachments |
|
2 | 1.5 |
| driving controls |
|
2 | 1.5 |
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 ER 500-A4 beats 0 of its 4 closest rivals (KAWASAKI ZX-6R, SUZUKI GSF600, YAMAHA FZS600).
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 ER 500-A4.
Pass rate by registration year
Best year to buy used: 2001 (87.1% pass). Weakest: 2000 (75.8%).
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.