KAWASAKI ER 500-A1
Pass rate over time
The ER 500-A1's first-time pass rate has risen 6.4 points since 2006, 72.0% to 78.4%.
Pass rate by mileage
A low-mileage ER 500-A1 passes first time 88.6% of the time; by 50k that's 56.7%.
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-A1
| Component group | Share of defects | Defects | % of defects | vs all bikes |
|---|---|---|---|---|
| brakes |
|
61 | 25.5 | 1.9× |
| steering and suspension |
|
60 | 25.1 | 2.5× |
| lighting and signalling |
|
46 | 19.2 | 1.5× |
| tyres and wheels |
|
23 | 9.6 | 1.8× |
| drive system |
|
17 | 7.1 | 3.2× |
| lamps and reflectors |
|
12 | 5 | 0.5× |
| body and structure |
|
8 | 3.3 | 2.8× |
| fuel and exhaust |
|
6 | 2.5 | 1.3× |
| structure and attachments |
|
4 | 1.7 | 0.8× |
| driving controls |
|
2 | 0.8 | 1.6× |
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 ER 500-A1 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-A1.
Pass rate by registration year
Best year to buy used: 1997 (74.8% pass). Weakest: 1998 (63.6%).
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 ER 500-A1 FAQ
Is the KAWASAKI ER 500-A1 reliable?
The KAWASAKI ER 500-A1 is less reliable than average for its class: 73.1% of its 527 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #4488 of 5426 models.
What does a ER 500-A1 fail its MOT on most?
brakes — 26% of all defects recorded against failed ER 500-A1 tests.
How many miles will a ER 500-A1 last?
The median ER 500-A1 shows 24,653 miles at test, and examples around 50k miles still pass 56.7% of the time — mileage alone rarely kills one.