| Most common failures | No# failures |
|---|
| Horn not working |1.7.3a| | 2 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Headlamp aim out of alignment | 2 |
| Nearside Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Centre Front Horn not working |1.7.3a| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Centre Rear Front mudguard insecure |2.3.7| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Rear Brake lever is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |