| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 34 |
| Headlamp aim out of alignment | 23 |
| Registration plate lamp issues | 14 |
| Registration plate issues | 7 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 5 |
| Front Brake excessively binding (1.2.1 (f)) | 4 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 3 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 3 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Front brake disc in such a condition that it is seriously weakened | 2 |
| Front Brake performance unable to be tested (1.2.1 (g)) | 2 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Rear Brake performance unable to be tested (1.2.1 (g)) | 2 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Rear Direction indicator obviously incorrectly positioned need to be at lease 180mm apart (4.4.3 (a)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a)) | 1 |
| Offside Rear Footrest insecure mount bolt missing (6.2.12 (a)) | 1 |
| Drive chain sprocket worn to excess Front and rear sprocket worn (6.1.7 (c) (i)) | 1 |
| Rear reflector missing Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Drive chain so loose it is likely to fail Chain stretched and worn (6.1.7 (c) (ii)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Horn not working (7.7 (a)) | 1 |
| Nearside Front Brake component modification unsafe caliper mounting bolt fouling on the brake disc. (1.1.21 (d) (i)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Nearside Brake lever pivot has excessive free play (1.1.1 (b)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure Number plate bracket broken (6.1.1 (b) (i)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Rear Direction indicator obviously incorrectly positioned Both indicators (4.4.3 (a)) | 1 |
| Rear Footrest missing Both sides (6.2.12 (a)) | 1 |
| Nearside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Front Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Brake lever insecure (1.1.2 (e) (i)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Brake performance unable to be tested (1.2.1 (g)) | 1 |
| Footrest missing Both pillion (6.2.12 (a)) | 1 |
| Rear Drive chain sprocket so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Brake component inadequately mounted (1.1.21 (c)) | 1 |