| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 6 |
| Headlamp aim out of alignment | 5 |
| Drive chain excessively loose |6.2.1d| | 4 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 2 |
| Registration plate issues | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 2 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp aim beam image too far to the left |1.6.4| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Registration plate lamp issues | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Rear Rear reflector on motorcycle obscured |1.4.1| | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Nearside Rear Drive chain excessively loose |6.2.1d| | 1 |
| Rear Drive chain sprocket so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Front Brake caliper leaking (1.1.16 (b) (i)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Nearside Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Vehicle identification number not displayed |0.2 |a|| | 1 |
| Vehicle identification number not legible |0.2 |b|| | 1 |
| Stop lamp remains on when the brakes are released | 1 |