Model report · 2005–2025
PIAGGIO QUARTZ
176cc
Petrol
Class 1
72.8%
first-time pass rate
23.3%
failed outright
7,412
median miles at test
103
MOT tests, 2005–2025
What fails on a QUARTZ
failure defects by component group · advisories excluded
| Component group | Share of defects | Defects | % of defects |
|---|---|---|---|
| lighting and signalling |
|
17 | 33.3 |
| brakes |
|
13 | 25.5 |
| steering and suspension |
|
10 | 19.6 |
| tyres and wheels |
|
3 | 5.9 |
| fuel and exhaust |
|
2 | 3.9 |
| driving controls |
|
2 | 3.9 |
| tyres |
|
2 | 3.9 |
| body and structure |
|
1 | 2 |
| Items Not Tested |
|
1 | 2 |
Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects.
How rivals compare
same type, similar capacity, high test volume
On first-time pass rate the QUARTZ beats 0 of its 4 closest rivals (PIAGGIO VESPA, HONDA PCX 125, YAMAHA NMAX 125).
PIAGGIO
VESPA
80.7% pass · 287k tests
HONDA
PCX 125
81.1% pass · 88.6k tests
YAMAHA
NMAX 125
82.2% pass · 33.8k tests
PIAGGIO
PX 125 (VESPA)
81.0% pass · 33.2k tests
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 QUARTZ.