| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 3 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 2 |
| Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride On rear spindle nut |6.2.1h| | 1 |
| Fuel cap sealing washer torn new seal fitted |7.2.2c| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Brake reaction bracket insecure |3.2.A1j| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Steering headbearing has excessive free play (2.2.2) | 1 |
| Wheel alignment incorrect which adversely affects the steering front wheel out of alignment (2.5.1) | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil seal leaking (2.3.3) | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Horn not working |1.7.3a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Nearside Rear Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |