| Most common failures | No# failures |
|---|
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Brake locking device missing |3.2.A1e| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Rear reflector on motorcycle obscured obscured by L plate |1.4.2b| | 1 |
| Headlamp aim out of alignment | 1 |
| Direction indicators not working All indicators not working |1.5.1c| | 1 |
| Rear Brake locking device insecure rear brake arm pinch bolt missing |3.2.A1e| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Nearside Position lamp switch insecure |1.1.4b| | 1 |
| Offside Position lamp switch insecure |1.1.4b| | 1 |
| Lower Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 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 |
| Horn sounds harsh or grating |1.7.3c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Offside Rear Direction indicator insecure |1.5.3b| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Stop lamp does not illuminate immediately a brake applies From both stop switches |1.3.1a| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Registration plate issues | 1 |
| Front Braking system does not have an approriate system/s fitted according to its age |3.1.1| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |