| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Headlamp aim out of alignment | 2 |
| Horn not working |1.7.3a| | 2 |
| Offside Front Direction indicator missing |1.5.1a| | 1 |
| Nearside Rear Direction indicator missing |1.5.1a| | 1 |
| Offside Rear Direction indicator missing |1.5.1a| | 1 |
| Registration plate issues | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Brake component is excessively corroded |3.1.5| | 1 |
| Offside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Nearside Front Front suspension fouling which affects the movement of the front suspension. |2.3.6a| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Front Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Brake lever insecure |3.1.2a| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Offside Front Brake lining|s| contaminated by oil or grease |3.2.A1k| | 1 |
| Nearside Front Direction indicator missing |1.5.1a| | 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 |
| Headlamp aim not tested |1.6| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Front Brake hose stretched by suspension movement |3.2.B3b| | 1 |
| Offside Front Brake hose stretched by steering movement |3.2.B3b| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |