| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Headlamp aim out of alignment | 5 |
| Registration plate issues | 4 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Front Front suspension assembly component excessively bent |2.3.1| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Brake disc insecure bolt missing (1.1.14 (a) (ii)) | 1 |
| Rear Engine mounting/bracket bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Headlamp incorrect colour (4.1.4 (a)) | 1 |
| Headlamp reflector seriously defective (4.1.1 (b) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted |6.1.7 |j| |i|| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Front Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Front Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Rear Wheel spoke cracked. |4.2.1b| | 1 |
| Stop lamp insecure |1.3.3b| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |