| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 4 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Registration plate issues | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Fuel system component leaking (6.1.3 (b) (i)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Steering lock stop ineffective |2.1.3| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Nearside Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| An item not tested |Manual| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Drive chain fouling another component |6.2.1d| | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Horn not working |1.7.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Offside Direction indicator not working |1.5.1c| | 1 |