| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Horn not working |1.7.3a| | 3 |
| Gradient brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.D1b| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded brake pedal |3.2.A1h| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Brake hose damaged | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Brake locking device missing |3.2.A1e| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Headlamp aim beam image too far to the right |1.6.4| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Offside Rear Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Front Headlamp insecure unable to lock in position for aim (4.1.1 (c)) | 1 |