| Most common failures | No# failures |
|---|
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Registration plate issues | 2 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Headlamp aim out of alignment | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Front Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Steering movement excessively rough with the wheel raised |2.2.1b| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 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 worn to excess |6.2.1e| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Upper Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear reflector on sidecar missing |1.4.1| | 1 |
| Front Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Front wheel insecure |4.2.3b| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |