| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 27 |
| Registration plate issues | 24 |
| Horn not working (7.7 (a)) | 11 |
| Headlamp aim out of alignment | 11 |
| Horn not working (7.7 (a) (ii)) | 9 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 7 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 5 |
| Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Registration plate lamp issues | 4 |
| Front Horn not working (7.7 (a)) | 3 |
| Rear Wheel spoke excessively loose (5.2.2 (d)) | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Rear Wheel spoke missing (5.2.2 (d)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Stop lamp likely to become detached (4.3.1 (c) (ii)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Stop lamp not working front brake (4.3.1 (a) (ii)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Drive chain excessively tight stiff links (6.1.7 (k) (i)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Drive chain horseshoe locking device likely to become detached (6.1.7 (j) (ii)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Wheel fixing loose (single fixing) front wheel spindle (5.2.1 (a) (ii)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Stop lamp not working Front brake switch sticking. (4.3.1 (a) (ii)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Wheel spoke excessively loose 3X (5.2.2 (d)) | 1 |
| Horn not working missing (7.7 (a) (ii)) | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |