| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 7 |
| Headlamp aim out of alignment | 6 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Registration plate issues | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Drive chain excessively tight |6.2.1d| | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Nearside Front Footrest insecure |6.2.1a| | 2 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Rear Drive chain excessively tight |6.2.1d| | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Offside Motorcycle structure joining/attachment plate or fastening insecure Fairing Loose |6.1.1 |b| |i|| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp switch with a delay in operation Brake light turns off with pedal still pressed. (4.3.2 (a) (ii)) | 1 |
| Stop lamp does not illuminate immediately a brake applies hand control |1.3.1a| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Chain guard insecure |6.2.1c| | 1 |
| Rear Suspension arm pin or bush excessively worn rear linkage warn |5.3.4 |a| |i|| | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Offside Front Position lamp showing red light to the front (4.2.3 (a) (ii)) | 1 |