| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 5 |
| Registration plate issues | 5 |
| Headlamp aim out of alignment | 4 |
| Horn not working |1.7.3a| | 3 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Rear Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Centre Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Position lamp missing (4.2.1 (a)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Central Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Central Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Central Rear Position lamp not working (4.2.1 (a)) | 1 |
| Central Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |