| Most common failures | No# failures |
|---|
| Registration plate issues | 11 |
| Rear reflector on motorcycle missing |1.4.1| | 7 |
| Headlamp aim out of alignment | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Wheel spoke excessively loose 3 loose spokes (5.2.2 (d)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Horn missing |1.7.1| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Stop lamp missing |1.3.3a| | 1 |
| Rear Stop lamp missing |1.3.3a| | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Rear Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |