| Most common failures | No# failures |
|---|
| Rear Brake linkage has abnormal movement due to excessive wear |3.2.A1i| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Headlamp aim out of alignment | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Registration plate issues | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear Wheel spoke missing |4.2.1b| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Offside Rear Direction indicator likely to become detached |4.4.1 |c| |ii|| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Front Brake locking device missing |3.2.A1e| | 1 |
| Front suspension assembly component excessively bent |2.3.1| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Nearside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear Direction indicator insecure |1.5.3b| | 1 |
| Rear Brake locking device insecure |3.2.A1e| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Brake back plate|s| insecure |3.2.A1j| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |