| Most common failures | No# failures |
|---|
| Registration plate issues | 3 |
| Headlamp aim out of alignment | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Front Brake cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Front Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Fuel cap leaking (6.1.3 (b) (i)) | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear wheel spindle loose |2.4.A.2b| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Front Steering lock stop maladjusted |2.1.3| | 1 |
| Nearside Footrest insecure rear |6.2.1a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Drive chain sprocket worn to excess |6.2.1e| | 1 |