| Most common failures | No# failures |
|---|
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 10 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 9 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 5 |
| Steering headbearing has excessive free play |2.2.2| | 4 |
| Headlamp aim out of alignment | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Horn not working |1.7.3a| | 3 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Registration plate issues | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear wheel has a missing wheel nut|s| |4.2.3a| | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Front wheel insecure |4.2.3b| | 1 |
| Front Headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Upper Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Offside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Nearside Front Handlebar mounting clamp loose |2.1.1a| | 1 |
| Offside Front Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Nearside Front Steering lock stop ineffective |2.1.3| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Offside Rear Upper Rear suspension component loose |2.4.A.1a| | 1 |
| Steering linkage has excessive free play |2.2.2| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Motorcycle structure excessively damaged |6.1.1a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |