| Most common failures | No# failures |
|---|
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Headlamp aim out of alignment | 3 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Offside Direction indicator not working |1.5.1c| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Front Decelerometer brake test indicates a binding brake |3.3.E1d| | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Horn not working |1.7.3a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Registration plate issues | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Offside Rear Direction indicator insecure |1.5.3b| | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Lower Motorcycle structure excessively damaged |6.1.1a| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Rear Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Front Brake component worn and seriously reduced in strength |3.2.A1| | 1 |
| Centre Rear Rear suspension component seized |2.4A2a|ii|| | 1 |