| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5 |
| Offside Rear Direction indicator not working |1.5.1c| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 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 position lamp flickers when tapped lightly by hand |1.1.3c| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Horn not working |1.7.3a| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Front Direction indicator missing |1.5.1a| | 1 |
| Offside Front Direction indicator missing |1.5.1a| | 1 |
| Nearside Rear Direction indicator missing |1.5.1a| | 1 |
| Offside Rear Direction indicator missing |1.5.1a| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Rear Brake back plate|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |