| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 27 |
| Horn not working (7.7 (a)) | 22 |
| Registration plate issues | 21 |
| Rear Position lamp not working (4.2.1 (a)) | 10 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 5 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Headlamp aim out of alignment | 4 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 3 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Registration plate lamp issues | 3 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Nearside Footrest insecure (6.2.12 (a)) | 1 |
| Front Stop lamp not working with front brake (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp not working with rear brake (4.3.1 (a) (ii)) | 1 |
| Suspension attachment bracket/mounting insecure rear wheel (5.3.3 (a) (i)) | 1 |
| Rear Wheel spoke missing (5.2.2 (d)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Rear Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Rear Wheel spoke missing broken (5.2.2 (d)) | 1 |
| Shock absorber has a serious fluid leak both fronts (5.3.2 (b)) | 1 |
| Headlamp light intensity severely reduced storage bag fitted in front of lens (4.1.4 (a)) | 1 |
| Stop lamp not working both front and rear (4.3.1 (a) (ii)) | 1 |
| Nearside Front Steering linkage locking device missing steering bump stop missing (2.1.3 (d)) | 1 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Central Horn not working (7.7 (a)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Brake fluid not visible (1.1.10 (d) (iii)) | 1 |
| Rear Wheel spoke excessively loose X5 (5.2.2 (d)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Wheel more than one fixing missing One spindle lock nut missing at the front (5.2.1 (a) (ii)) | 1 |
| Headlamp aim not tested storage bag obscuring headlamp (4.1.2 (b)) | 1 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening insecure Rear number plate/mudguard insecure, mounting points broken (6.1.1 (b) (i)) | 1 |
| Fuel system component leaking excessively or a risk of fire (6.1.3 (b) (ii)) | 1 |
| Rear Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Shock absorber has a serious fluid leak Both fork legs leaking oil (5.3.2 (b)) | 1 |
| Wheel excessively distorted 6mm of run out 4mm permitted. (5.2.2 (c) (i)) | 1 |
| Handlebar retaining device loose (2.2.1 (b) (i)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Central Front Upper Steering linkage component insecure (2.1.3 (a) (i)) | 1 |
| Stop lamp not working control 1 (4.3.1 (a) (ii)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Clutch lever shortened so it cannot be readily operated (6.2.7 (b)) | 1 |