| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 12 |
| Registration plate issues | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Parking brake: efficiency below requirements |3.7.B.7| | 2 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 2 |
| Brake pipe excessively corroded | 2 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Headlamp damaged and function impaired |1.2.3a| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Front Headlamp not working on dipped beam Blown bulb (4.1.1 (a) (ii)) | 1 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Rear Brake fluid significantly below minimum mark |1.1.10 |d| |ii|| | 1 |
| Front Brake disc significantly and obviously worn floating component excessively worn |1.1.14 |a| |i|| | 1 |
| Drive chain excessively tight |6.1.7 |k| |i|| | 1 |
| Registration plate lamp issues | 1 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 1 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturer`s specified limits |8.2.1.2 |a|| | 1 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturer`s specified limits |8.2.1.2 |a|| | 1 |
| Nearside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 1 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 1 |
| Rear parking brake recording little or no effort | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Horn not working |1.7.3a| | 1 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 1 |
| Prop shaft flexible coupling excessively deteriorated (6.1.7 (d) (i)) | 1 |
| Offside Front Suspension arm ball joint excessively worn Inner and outer (5.3.4 (a) (i)) | 1 |
| Rear Suspension arm pin or bush excessively worn swingarm bearings (5.3.4 (a) (i)) | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Bonnet primary retaining device ineffective (3.1 (c)) | 1 |
| Bonnet cannot be secured in the closed position (3.1 (b) (i)) | 1 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 1 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Headlamp aim not tested |1.8.A.1c| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Central Front Brake excessively binding Front brake excessively binding. (1.2.1 (f)) | 1 |