| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Headlamp aim out of alignment | 3 |
| Rear Wheel spoke excessively loose |4.2.1b| | 3 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Horn not working |1.7.3a| | 2 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Headlamp incorrect colour |1.2.1| | 1 |
| Rear position lamp deteriorated and function impaired |1.1.1b| | 1 |
| Horn missing |1.7.1| | 1 |
| Registration plate issues | 1 |
| Front Brake lever attachment screws loose |3.1.2b| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear position lamp flickers when tapped lightly by hand |1.1.3c| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Front Headlamp not working on dipped beam Headlamp N/W (4.1.1 (a) (ii)) | 1 |