| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Headlamp aim out of alignment | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Lower Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Drive chain sprocket worn to excess Chain and sprockets |6.2.1e| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen no image (4.1.2 (a)) | 1 |
| Central Rear Position lamp not working (4.2.1 (a)) | 1 |
| Central Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Registration plate lamp issues | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Suspension component pin or bush excessively worn lower shocker bush worn (5.3.4 (a) (i)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride rear wheel |6.2.1h| | 1 |
| Vehicle identification number not permanently displayed |6.3.5a| | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Rear Shock absorber has a serious fluid leak Lack of damping due to fluid leak. (5.3.2 (b)) | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Horn control defective |1.7.2a| | 1 |
| Registration plate issues | 1 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |