| Most common failures | No# failures |
|---|
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Horn not working |1.7.3a| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Registration plate issues | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Headlamp not working on dipped beam Faulty switch (4.1.1 (a) (ii)) | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Nearside Front Direction indicator missing |1.5.1a| | 1 |
| Nearside Rear Direction indicator missing |1.5.1a| | 1 |
| Offside Front Direction indicator missing |1.5.1a| | 1 |
| Offside Rear Direction indicator missing |1.5.1a| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Centre Lower Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Headlamp aim out of alignment | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Centre Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Centre Rear Lower Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |