| Most common failures | No# failures |
|---|
| Registration plate issues | 8 |
| Horn not working |1.7.3a| | 6 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Horn missing |1.7.1| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Stop lamp switch with a delay in operation Not working wires cut short (4.3.2 (a) (ii)) | 1 |
| Offside Rear Stop lamp switch with a delay in operation Connector pin snapped off (4.3.2 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Front Shock absorber has a serious fluid leak both forks wet with oil (5.3.2 (b)) | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 1 |
| Rear Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front Stop lamp missing |1.3.3a| | 1 |
| Rear Stop lamp missing |1.3.3a| | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |