| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Centre Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Front wheel insecure |4.2.3b| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Indicator tell tale not functioning |1.5.2| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Headlamp switch faulty |1.2.4| | 1 |
| Rear Brake component is excessively corroded |3.1.5| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Registration plate issues | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Footrest insecure |6.2.1a| | 1 |
| Rear Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Brake reaction bracket insecure |3.2.A1j| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |