League table/YAMASAKI
Make report · 2005–2025
YAMASAKI
57.3%
first-time pass rate
32.8%
failed outright
800
MOT tests, 2005–2025
YAMASAKI at a glance
Most reliable model
YM125-3
57.7% pass
Least reliable model
YM 50-10
56.2% pass
Most tested model
YM 50-10
249 tests
Among YAMASAKI models with ≥ 100 tests.
What fails a YAMASAKI
failure defects across all YAMASAKI models · advisories excluded
lamps and reflectors is YAMASAKI's most common failure — 15.2% of all YAMASAKI tests record one.
| Component group | Share of defects | % of tests | Worst offenders |
|---|---|---|---|
| lamps and reflectors |
|
15.2 | see ranking |
| brakes |
|
11.2 | see ranking |
| structure and attachments |
|
9 | see ranking |
| steering and suspension |
|
6.5 | see ranking |
| suspension |
|
7.6 | see ranking |
Top failure groups aggregated across every YAMASAKI model, 2005–2025. "% of tests" = share of the make's tests recording at least one defect in that group.
YAMASAKI models, ranked by test volume
2 models with ≥ 100 normal tests, 2005–2025
| Model | Pass rate | Pass % | Fail % | Median miles | Tests |
|---|---|---|---|---|---|
| YM 50-10 |
|
56.2 | 34.9 | 3,376 | 249 |
| YM125-3 |
|
57.7 | 28.8 | 5,513 | 104 |
Normal tests only. Median miles is odometer reading at test where recorded. Source: DVSA anonymised MOT results, 2005–2025.