Pass rate over time
The MRX 50's first-time pass rate has fallen 20.6 points since 2006, 60.6% to 40.0%.
Pass rate by mileage
A low-mileage MRX 50 passes first time 59.0% of the time; by 20k that's 45.2%.
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 MRX 50
| Component group | Share of defects | Defects | % of defects |
|---|---|---|---|
| lighting and signalling |
|
284 | 43.2 |
| steering and suspension |
|
158 | 24 |
| brakes |
|
72 | 10.9 |
| drive system |
|
54 | 8.2 |
| tyres and wheels |
|
39 | 5.9 |
| body and structure |
|
16 | 2.4 |
| fuel and exhaust |
|
13 | 2 |
| reg plates and vin |
|
11 | 1.7 |
| driving controls |
|
6 | 0.9 |
| lamps and reflectors |
|
5 | 0.8 |
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 MRX 50 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 MRX 50.
Pass rate by registration year
Best year to buy used: 2003 (53.3% pass). Weakest: 2005 (44.3%).
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.