| Most common failures | No# failures |
|---|
| Registration plate issues | 3 |
| Direction indicators not working |1.5.1c| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 2 |
| Horn not working |1.7.3a| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Headlamp aim out of alignment | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Footrest missing |6.2.1a| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Offside Rear Brake locking device missing |3.2.A1e| | 1 |
| Front Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |