| Most common failures | No# failures |
|---|
| Registration plate issues | 9 |
| Rear reflector on motorcycle missing |1.4.1| | 7 |
| Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| Headlamp aim out of alignment | 2 |
| Registration plate lamp issues | 2 |
| Front Headlamp aim not tested |4.1.2 |b|| | 1 |
| Front Dipswitch does not operate immediately when selected on dipped beam |4.1.3 |b|| | 1 |
| Nearside Drive chain excessively loose |6.2.1d| | 1 |
| Horn not working |1.7.3a| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear Brake pedal insecure |3.1.2a| | 1 |
| Headlamp switch faulty main beam |1.2.4| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride Rear chain adjusters left slack |6.2.1h| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| All position lamps do not illuminate immediately when switched on sidelight not working |1.1.3a| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded switch gear loose, likely to impede front brake lever |3.2.A1h| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Rear Footrest missing Pillion seat removed. (6.2.12 (a)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Lower Suspension component pin or bush excessively worn front bush (5.3.4 (a) (i)) | 1 |