| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 9 |
| Rear reflector on motorcycle missing |1.4.1| | 5 |
| Headlamp aim beam image kick up to the offside |1.6| | 4 |
| Registration plate issues | 3 |
| Horn not working |1.7.3a| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Rear Brake hose leaking fluid |3.2.B4| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Riders seat missing |6.2.5 |a| |ii|| | 1 |
| Rear Position lamp missing |4.2.1 |a|| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Central Front mudguard insecure |2.3.7| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Nearside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear Drive chain excessively tight |6.2.1d| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Horn not working (1.7.3a) | 1 |
| Central Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Front Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Front Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Front Dipswitch does not operate immediately when selected on main beam main beam stuck on (4.1.3 (b)) | 1 |
| Offside Front Footrest insecure (6.2.12 (a)) | 1 |