Mutt MOT pass rates and common failures
Mutt motorcycles pass the MOT 71.21% of the time across 2,004 tests. 15.7 points below the all-motorcycle average of 86.87%.
Every Mutt model
Sorted by sample size. The bigger the number of tests, the more the pass rate can be trusted.
| Model | Tests | Pass rate | Avg mileage | |
|---|---|---|---|---|
| MONGREL 125 · 125cc | 753 | 67.73% | 5,661 | |
| FAT SABBATH 125 · 125cc | 280 | 67.14% | 4,593 |
Why Mutt motorcycles fail the MOT
Share of failed Mutt tests where this item was recorded.
| # | Item | Of failures | Tests | |
|---|---|---|---|---|
| 1 | Not working | 32.6% | 118 | |
| 2 | Missing | 24.9% | 90 | |
| 3 | Insecure | 9.4% | 34 | |
| 4 | Too high | 8.8% | 32 | |
| 5 | Excessively binding | 8.3% | 30 | |
| 6 | The less effective brake control does not achieve an efficiency of 25% | 8% | 29 | |
| 7 | Too low | 7.5% | 27 | |
| 8 | Excessively loose | 6.1% | 22 |
Mutt motorcycles for sale
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Source: DVSA MOT testing data, 2025 · updated Aug 2026 · licence and method