| Most common failures | No# failures |
|---|
| Registration plate issues | 11 |
| Rear reflector missing (4.8.2 (a) (ii)) | 7 |
| Horn not working (7.7 (a) (ii)) | 6 |
| Stop lamp remains on when the brakes are released | 6 |
| Horn not working (7.7 (a)) | 6 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Registration plate lamp issues | 4 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 4 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Headlamp aim out of alignment | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 1 |
| Front Position lamp not working side light (4.2.1 (a)) | 1 |
| Nearside Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Steering operation linkage fouling when handlebars turned from lock to lock Fouling on horn (2.1.4 (a)) | 1 |
| Rear Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Rear Lower Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Rear Wheel spoke missing (5.2.2 (d)) | 1 |
| Rear Suspension arm pin or bush excessively worn front swing arm mounting worn (5.3.4 (a) (i)) | 1 |
| Front Horn not working (7.7 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Stop lamp not working Front control (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working Rear control (4.3.1 (a) (ii)) | 1 |
| Brake lever pivot excessively worn (1.1.1 (b)) | 1 |
| Clutch lever bent so it cannot be readily operated (6.2.7 (b)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Front Stop lamp switch with a delay in operation Not fitted (4.3.2 (a) (ii)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Fuel system component leaking (6.1.3 (b) (i)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Wheel more than one fixing loose (5.2.1 (a) (ii)) | 1 |
| Rear Wheel spindle locking device missing (5.2.1 (d)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Fork yoke insecure TOP NUT MISSING (2.2.2 (d) (i)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure rear subframe bolt was missing have fitted replacement bolt (6.1.1 (b) (i)) | 1 |