| Most common failures | No# failures |
|---|
| Registration plate issues | 10 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 10 |
| Parking brake efficiency below requirements |3.7.C.1b| | 6 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 5 |
| Service brake: efficiency below requirements |3.7.C.1a| | 3 |
| Offside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 3 |
| Registration plate lamp issues | 2 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 2 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 2 |
| Horn not working |1.6.2a| | 2 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Fuel cap/sealing device mounting flange/sealing method defective |7.2.4c| | 2 |
| Headlamp aim out of alignment | 1 |
| Offside Front Body insecure and dangerous to other road users |6.1.B.1b| | 1 |
| Offside Inner Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Rear Front drive shaft coupling bearing fastener insecure |2.5.C.2b| | 1 |
| Nearside Rear Front drive shaft coupling bearing fastener insecure |2.5.C.2b| | 1 |
| Rear Parking brake efficiency below requirements |3.7.C.1b| | 1 |
| Centre Stop lamp emits other than a steady red light |1.2.1e| | 1 |
| Front Headlamp not working on main beam |1.7.5a| | 1 |
| Front Fork yoke clamp bolt loose |9.2.1c| | 1 |
| Front Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.C.1a| | 1 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Rear Direction indicators adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Wheel nut|s| loose |4.2.A.1e| | 1 |
| Rear Stop lamp not working |1.2.1b| | 1 |
| Centre Stop lamp not working |1.2.1b| | 1 |
| Centre Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 1 |
| Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Front All position lamps not working |1.1.A.3b| | 1 |
| Centre Rear Stop lamp not working |1.2.1b| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Centre Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Rear Rear position lamp|s| insecure |1.1.A.3a| | 1 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1 |
| Offside Front Suspension has inadequate clearance with the chassis |2.4.A.1a| | 1 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 1 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 1 |
| Front Upper Steering pivot point has excessive play |2.2.B.1g| | 1 |
| Offside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Front Upper Ball joint has excessive play |2.2.B.1f| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 1 |
| Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Nearside Rear Suspension arm attachment bracket/mounting nut missing |2.4.G.1| | 1 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 1 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 1 |
| Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.C.1a| | 1 |
| All position lamps not working |1.1.A.3b| | 1 |
| Centre Headlamp not working on dipped beam |1.7.5a| | 1 |
| Centre Headlamp not working on main beam |1.7.5a| | 1 |
| Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Front Brake pipe fouled by moving parts |3.6.B.2a| | 1 |
| Offside Front Brake pipe fouled by moving parts |3.6.B.2a| | 1 |
| Nearside Obligatory mirror missing |8.1.1| | 1 |
| Offside Steering system fouling |2.2.D.2a| | 1 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |