| Most common failures | No# failures |
|---|
| Registration plate issues | 8 |
| Headlamp aim out of alignment | 7 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| All position lamps adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Nearside Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Rear Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Rear position lamp insecure |1.1.1c| | 1 |
| Nearside Rear Drive chain worn to excess |6.2.1e| | 1 |
| Nearside Rear Chain guard fouling another component |6.2.1c| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear wheel spindle loose |2.4.A.2b| | 1 |
| Rear Brake master cylinder insecurely mounted |3.2.B1a| | 1 |
| Front Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Front Horn control defective |1.7.2a| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Horn not working |1.7.3a| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |