| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Front Brake disc|s| cracked |3.2.A1g| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Front position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Front position lamp does not illuminate immediately when switched on inop |1.1.3a| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Stop lamp not working front brake |4.3.1 |a| |ii|| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.4 |a|| | 1 |
| Steering headbearing has excessive wear or free play top nut loose etc |2.2.2 |f| |i|| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Registration plate issues | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |