| Most common failures | No# failures |
|---|
| Registration plate issues | 18 |
| Rear reflector on motorcycle missing |1.4.1| | 14 |
| Horn not working |1.7.3a| | 6 |
| Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Horn not working (7.7 (a) (ii)) | 4 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Horn missing |1.7.1| | 3 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Registration plate lamp issues | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Headlamp aim out of alignment | 2 |
| Lower Suspension arm attachment bracket/mounting insecure |5.3.3 |a| |i|| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Brake disc|s| securing bolt|s| missing |3.2.A1g| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Front wheel spindle loose |2.3.5a| | 1 |
| Front wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Rear Front wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Centre Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Centre Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Rear Drive chain excessively tight |6.2.1d| | 1 |
| Nearside Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Centre Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing headbearings |2.2.1a| | 1 |
| Front Steering movement excessively rough with the wheel raised headbearings |2.2.1b| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Lower Horn missing |1.7.1| | 1 |
| Offside Front Stop lamp not working hand control not working (4.3.1 (a) (ii)) | 1 |
| Central Front Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Central Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Rear Wheel spoke excessively loose (5.2.2 (d)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Position lamp switch insecure |1.1.4b| | 1 |
| Front Drive chain sprocket worn to excess teeth missing (6.1.7 (c) (i)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Vehicle identification number not legible Very Faint Frame Number - painted Over (0.2 (b)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Vehicle identification number not legible |0.2 |b|| | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Stop lamp missing |1.3.3a| | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Rear Lower Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Rear Motorcycle structure joining/attachment plate or fastening insecure bolt missing from rear subframe lower mount (6.1.1 (b) (i)) | 1 |
| Rear Lower Suspension component pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Stop lamp affected by the operation of another lamp (1.3.2) | 1 |
| Horn not working (1.7.3a) | 1 |
| Rear reflector on motorcycle missing (1.4.1) | 1 |
| Front Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |