| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Registration plate issues | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Headlamp aim out of alignment | 2 |
| Stop lamp affected by the operation of the horn |1.3.2| | 2 |
| Offside Front Upper Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Upper Direction indicators not working |1.5.1c| | 1 |
| Centre Front Upper Horn not working |1.7.3a| | 1 |
| Centre Rear Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Rear Lower Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Central Front Brake excessively binding free off brake spindle shaft (1.2.1 (f)) | 1 |
| Central Front Position lamp not working fit headlamp bulb (4.2.1 (a)) | 1 |
| Central Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Brake linkage has abnormal movement due to maladjustment |3.2.A1i| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Central Rear Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Nearside Front Upper Direction indicators not working |1.5.1c| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 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 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Nearside Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Nearside Rear Upper Direction indicators not working |1.5.1c| | 1 |
| Front Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Motorcycle structure excessively damaged |6.1.1a| | 1 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |