| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 6 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Registration plate issues | 2 |
| Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Nearside Sidecar direction indicator missing |1.5.1a| | 1 |
| Rear reflector on sidecar missing |1.4.1| | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment Rear brake lever loose on splines at wheel end. Pinch bolt tightened. |1.1.15 |f|| | 1 |
| Centre Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Brake pedal is positioned so that the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Offside Front Wheel fractured significantly reducing the original strength |4.2.1a| | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Horn not working |1.7.3a| | 1 |