| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 13 |
| Headlamp aim out of alignment | 9 |
| Registration plate issues | 7 |
| Horn not working (7.7 (a)) | 3 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Offside Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Handlebar mounting insecure Handlebars loose in risers. (2.2.1 (a) (i)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Drive belt excessively tight (6.1.7 (k) (i)) | 1 |
| Offside Front Stop lamp switch with a delay in operation |4.3.2 |a| |ii|| | 1 |
| Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Drive belt excessively tight, so that it is likely to fail |6.1.7 |k| |ii|| | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls stop light not working by front or rear brake (4.3.2 (a) (iii)) | 1 |
| Front Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Fork yoke insecure (2.2.2 (d) (i)) | 1 |
| Nearside Handlebar grip insecure to handlebar left hand grip insecure (2.2.1 (d) (ii)) | 1 |
| Nearside All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Central Rear Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |