Data as of: DVSA MOT results to 2025
Nsu Quickly vs Piaggio Zip
The Nsu Quickly passes its MOT first time more often than the Piaggio Zip: 91.8% vs 71.3%, a 20.5-point lead.
MOT reliability, side by side
| Metric | Nsu Quickly | Piaggio Zip |
|---|---|---|
| First-time pass rate | 91.8% | 71.3% |
| Outright fail rate | 3.9% | 20.4% |
| Engine size | 49cc | 49cc |
| Rank among all models | #507 of 5428 | #4631 of 5428 |
| Median miles at test | 8,573 | 8,882 |
| MOT tests analysed | 687 | 78,993 |
| Most common failure | tyres and wheels | lighting and signalling |
First-time outcomes on normal tests, 2005–2025. "Most common failure" is the component group with the most recorded defects on failed tests. Read pass rates against test counts: a smaller sample is noisier. Source: DVSA anonymised MOT results.
What fails, side by side
| Component | Nsu Quickly | Piaggio Zip |
|---|---|---|
| Lights & signalling | 1.7% | 11.9% |
| Steering & suspension | 1.5% | 9.2% |
| Brakes | 1.5% | 6.5% |
| Tyres & wheels | 1.7% | 4.0% |
| Fuel & exhaust | 0.6% | 2.5% |
| Structure & body | 0.4% | 1.6% |
| Drive system | 0.1% | 0.0% |
A test that fails on two components counts once in each. Component links go to the bikes most likely to fail on it.
Pass rate by test year
| Test year | Nsu Quickly | Piaggio Zip |
|---|---|---|
| 2010 | 82.4% | 70.8% |
| 2011 | 95.7% | 69.7% |
| 2012 | 87.7% | 69.1% |
| 2013 | 94.2% | 69.7% |
| 2014 | 95.2% | 68.8% |
| 2015 | 94.4% | 69.8% |
| 2016 | 92.7% | 71.0% |
| 2017 | 94.7% | 71.7% |
Each year mixes bikes of different ages, so a fleet that is getting older tends to slip.
Pass rate by mileage
| Mileage | Nsu Quickly | Piaggio Zip |
|---|---|---|
| 0k-10k miles | 92.2% | 75.2% |
| 10k-20k miles | 91.7% | 66.7% |
| 20k-30k miles | 91.2% | 64.4% |
Bands with fewer than 30 tests for either bike are left out.
Nsu Quickly vs Piaggio Zip FAQ
Which is more reliable, the Nsu Quickly or the Piaggio Zip?
The Nsu Quickly passes its MOT first time more often than the Piaggio Zip: 91.8% vs 71.3%, a 20.5-point lead. An MOT checks roadworthiness items, not engine or gearbox internals.
What does the Nsu Quickly fail its MOT on most?
Lights & signalling: 1.7% of Nsu Quickly MOT tests failed on it, then tyres & wheels (1.7%).
What does the Piaggio Zip fail its MOT on most?
Lights & signalling: 11.9% of Piaggio Zip MOT tests failed on it, then steering & suspension (9.2%).
Which holds up better at high mileage, the Nsu Quickly or the Piaggio Zip?
At 20k-30k miles the Nsu Quickly passes first time more often: 91.2% for the Nsu Quickly vs 64.4% for the Piaggio Zip.
See each bike's full report (trend, mileage curve, failure breakdown and rivals) on its own page.