MZ TROPHY
The pass rate is the MOT first-time pass: a roadworthiness check of the items an MOT covers (brakes, lights, tyres, steering, structure, emissions), not a full mechanical inspection of engine or gearbox internals. It is a reliability signal, not a complete measure of mechanical reliability. What this measures.
What fails on a TROPHY
| Component group | Share of defects | Defects | % of defects |
|---|---|---|---|
| lighting and signalling |
|
8 | 57.1 |
| brakes |
|
2 | 14.3 |
| body and structure |
|
1 | 7.1 |
| reg plates and vin |
|
1 | 7.1 |
| sidecar |
|
1 | 7.1 |
| tyres and wheels |
|
1 | 7.1 |
Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects.
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More MZ models
Pass rate by registration year
Best year to buy used: 1971 (84.8% pass). Weakest: 1971 (84.8%).
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.
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