| Most common failures | No# failures |
|---|
| Registration plate issues | 11 |
| Rear reflector missing (4.8.2 (a) (ii)) | 9 |
| Rear reflector missing |4.8.2 |a| |ii|| | 4 |
| Headlamp aim out of alignment | 4 |
| Headlamp aim not tested |4.1.2 |b|| | 3 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 2 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Horn sound not in accordance with requirements (7.7 (c)) | 2 |
| Registration plate lamp issues | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Drive chain so worn it is likely to fail tight links (6.1.7 (c) (ii)) | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Headlamp light intensity severely reduced Type of bulb not correct and not emitting correct light source |4.1.4 |a|| | 1 |
| Headlamp light source and lamp not compatible |4.1.4 |c|| | 1 |
| Front Stop lamp not working Not operating when front brake applied |4.3.1 |a| |ii|| | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Rear Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |