| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 3 |
| Front Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Nearside Rear Direction indicator deteriorated and function impaired does not illuminate everytime switched on |1.5.3a| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Brake locking device missing |3.2.A1e| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Rear Brake caliper insecure |1.1.16 |c| |i|| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Registration plate issues | 1 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 1 |
| Steering headbearing has excessive free play |9.2.4| | 1 |
| Headlamp not working on main beam |1.7.5a| | 1 |
| Horn not a continuous or uniform sound |1.6.2e| | 1 |
| Rear fog lamp not working |1.3.2b| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Front Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Registration plate lamp issues | 1 |
| Headlamp aim projected beam image is obviously incorrect Beam "kick up" to the right (4.1.2 (c)) | 1 |
| Offside Rear Upper Shock absorbers insecurely attached Fixing nuts missing (5.3.2 (a) (i)) | 1 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 1 |