| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 15 |
| Registration plate lamp issues | 12 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 6 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 2 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Registration plate issues | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Nearside Front Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Offside Front Position lamp light intensity significantly reduced (4.2.3 (a) (ii)) | 1 |
| Front Forks modification unsafe (2.2.2 (e)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls front brake light switch not working (4.3.2 (a) (iii)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Fuel cap ineffective does not open (6.1.3 (b) (i)) | 1 |
| Front Headlamp not working on dipped beam low beam not working (4.1.1 (a) (ii)) | 1 |
| Headlamp light intensity severely reduced Faulty bulb (4.1.4 (a)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Stop lamp switch with a delay in operation Rear brake light switch (4.3.2 (a) (ii)) | 1 |
| Nearside Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Headlamp light source and lamp not compatible Existing halogen headlamp units should not be converted to be used with HID bulbs. If such a conversion has been done, you must fail the headlamp. (4.1.4 (c)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls front control (4.3.2 (a) (iii)) | 1 |
| Nearside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Offside Rear Outer Brake hose leaking (1.1.12 (c)) | 1 |
| Front Stop lamp not working brake switch (4.3.1 (a) (ii)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Stop lamp not working control 1 (4.3.1 (a) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Front Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |