| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5 |
| Steering headbearing has excessive free play |2.2.2| | 4 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Offside Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Fairing so located that it is likely to impede the steering |2.1.2e| | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Registration plate issues | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Brake hose leaking fluid |3.2.B4| | 1 |
| Nearside 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 Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Nearside Front shock absorber seal failed and leaking oil (2.3.3) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Drive chain excessively tight, so that it is likely to fail thumb found in rear sprocket (6.1.7 (k) (ii)) | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Offside Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Offside Front Upper Shock absorber has a serious fluid leak Fork oil leaking down to brake caliper (5.3.2 (b)) | 1 |