| Most common failures | No# failures |
|---|
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Indicator tell tale not functioning |1.5.2| | 2 |
| Offside Rear Direction indicator not working |1.5.1c| | 2 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 2 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Roller brake test No brake control achieves an efficiency of 30% (1.2.2 (a) (i)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Front wheel has a missing wheel nut|s| |4.2.3a| | 1 |
| Front Brake cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Headlamp aim out of alignment | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |