| Most common failures | No# failures |
|---|
| Registration plate issues | 18 |
| Headlamp aim out of alignment | 10 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 5 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 4 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Horn not working |1.7.3a| | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Stop lamp does not emit a steady light |1.3.1b| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Stop lamp remains on when the brake is released (1.3.1e) | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Brake pipe excessively corroded | 1 |
| Rear Brake locking device insecure (3.2.A1e) | 1 |
| Brake indicates excessive fluctuation of brake effort front (1.2.1 (e)) | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Registration plate lamp issues | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Offside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Direction indicator incorrect colour both |1.5.1b| | 1 |
| Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Throttle operating incorrectly holds open on right hand lock |6.2.1f| | 1 |