| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5 |
| Rear Wheel spoke excessively loose |4.2.1b| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Nearside Rear Direction indicators not working (1.5.1c) | 1 |
| Nearside Front Direction indicators flashing less than 60 times a minute (1.5.1c) | 1 |
| Offside Front Direction indicators flashing less than 60 times a minute (1.5.1c) | 1 |
| Offside Rear Direction indicators flashing less than 60 times a minute (1.5.1c) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies (1.3.1a) | 1 |
| Horn not loud enough to be heard by another road user (1.7.3a) | 1 |
| Drive chain excessively loose (6.2.1d) | 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 |
| Front Brake disc(s) excessively worn (3.2.A1l) | 1 |
| Rear Brake disc(s) excessively worn (3.2.A1l) | 1 |
| Rear wheel spindle securing nut locking device missing (2.4.A.2b) | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Rear Direction indicator missing |1.5.1a| | 1 |
| Front Riders seat insecure |6.2.1a| | 1 |
| Headlamp at least one does not illuminate on main beam (1.2.2a(ii)) | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Drive chain excessively loose |6.2.1d| | 1 |
| Front Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Registration plate issues | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Front Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Footrest missing |6.2.1a| | 1 |
| Rear suspension component loose |2.4.A.1a| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |