ZNEN ZN 50 QT-K
Pass rate over time
The ZN 50 QT-K's first-time pass rate has risen 14.2 points since 2015, 47.1% to 61.3%.
What fails on a ZN 50 QT-K
| Component group | Share of defects | Defects | % of defects |
|---|---|---|---|
| steering and suspension |
|
23 | 21.7 |
| brakes |
|
22 | 20.8 |
| lighting and signalling |
|
22 | 20.8 |
| lamps and reflectors |
|
16 | 15.1 |
| tyres and wheels |
|
12 | 11.3 |
| suspension |
|
4 | 3.8 |
| fuel and exhaust |
|
3 | 2.8 |
| steering |
|
2 | 1.9 |
| reg plates and vin |
|
1 | 0.9 |
| driving controls |
|
1 | 0.9 |
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 ZN 50 QT-K beats 0 of its 4 closest rivals (PEUGEOT SPEEDFIGHT, PIAGGIO ZIP, PIAGGIO NRG).
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 ZN 50 QT-K.
Pass rate by registration year
Best year to buy used: 2012 (62.3% pass). Weakest: 2012 (62.3%).
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.