| Most common failures | No# failures |
|---|
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Front Stop lamp not working |1.2.1b| | 1 |
| Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Front Headlamp not working on main beam |1.7.5a| | 1 |
| Steering control restriction of the free movement of the steering |9.2.2a| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4| | 1 |
| Rear Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.C.1a| | 1 |
| Front Service brake grabbing severely |3.7.C.2| | 1 |
| Parking brake not fitted on at least one wheel on a 3 wheeled vehicle |3.1.1| | 1 |
| Nearside Front Direction indicator missing |1.4.A.2b| | 1 |
| Offside Front Direction indicator missing |1.4.A.2b| | 1 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Centre Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Offside Rear Brake pipe leaking |3.6.A.1| | 1 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Rear Brake performance not tested |3.7.A.1| | 1 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Registration plate lamp issues | 1 |
| Rear Rear reflector missing |1.5.1a| | 1 |
| Vehicle structure has an unsatisfactory modification, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |