| Most common failures | No# failures |
|---|
| Registration plate issues | 4 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Headlamp aim not tested |1.6| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.C.1a| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Shock absorber has negligible damping effect |2.7.5| | 1 |
| Nearside Front Front wheel bearings have excessive free play |9.2.8c| | 1 |
| Offside Front Front wheel bearings have excessive free play |9.2.8c| | 1 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Inner Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Inner Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Front Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.C.1a| | 1 |
| Rear Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.C.1a| | 1 |
| Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Rear Stop lamp not working |1.2.1b| | 1 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Centre Front position lamp|s| missing |1.1.A.3a| | 1 |
| Position lamp switch missing |1.1.A.1| | 1 |
| Offside Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 1 |
| Nearside Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Headlamp aim out of alignment | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear Upper Exhaust mounting missing |7.1.1c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front suspension assembly component excessively misaligned |2.3.1| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Horn emits 2 or more alternating tones |1.7.3b| | 1 |
| Front Front mudguard insecure |2.3.7| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 1 |
| Centre Front 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 |
| Obligatory mirror missing |8.1.1| | 1 |