| Most common failures | No# failures |
|---|
| Horn not working |1.7.3a| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Stop lamp emits other than a steady red light |1.3.1b| | 2 |
| Rear position lamp incorrect colour |1.1.2b| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Headlamp aim out of alignment | 2 |
| Front wheel bearings have excessive free play (2.3.5b) | 2 |
| Front wheel bearings are excessively rough (2.3.5b) | 2 |
| Registration plate issues | 2 |
| Front Brake lever has inadequate reserve travel (3.1.3b) | 2 |
| Front Steering linkage has excessive free play |2.2.2| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Headlamp dipped beam affected by the operation of the horn |1.2.2c| | 1 |
| Headlamp main beam affected by the operation of the horn |1.2.2c| | 1 |
| Offside Front Direction indicators not working (1.5.1c) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Steering lock stop missing |2.1.3| | 1 |
| Fuel cap sealing washer deteriorated (7.2.2c) | 1 |
| Front Steering lock stop ineffective |2.1.3| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. (3.3.A2b) | 1 |
| Rear wheel bearings have excessive free play (2.4.A.2c) | 1 |