| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 33 |
| Registration plate issues | 24 |
| Horn not working (7.7 (a)) | 12 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 10 |
| Headlamp aim out of alignment | 8 |
| Registration plate lamp issues | 7 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 6 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 4 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 4 |
| Front Wheel spoke missing (5.2.2 (d)) | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 3 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Front Horn not working (7.7 (a)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Rear Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 2 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 2 |
| Rear Wheel spoke missing (5.2.2 (d)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| All position lamps not working (4.2.1 (a)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Upper Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Central Rear Suspension component likely to fail (5.3.3 (b) (ii)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Central Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Central Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Stop lamp not working on front brake application (4.3.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear All direction indicators obviously incorrectly positioned distance not 180mm (4.4.3 (a)) | 1 |
| Fuel tank leaking (6.1.3 (b) (i)) | 1 |
| Front Wheel spindle loose (5.2.1 (c) (i)) | 1 |
| Nearside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Central Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Shock absorber has a serious fluid leak both front fork seals (5.3.2 (b)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Central Front Upper Horn not working (7.7 (a)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Front not working (4.3.2 (a) (iii)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Front Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Headlamp reflector seriously defective beam incorrect (4.1.1 (b) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy notching in centre (2.2.2 (f) (i)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Suspension component pin or bush excessively worn Rear suspension seized and does not return when compressed. (5.3.4 (a) (i)) | 1 |
| Front Brake master cylinder defective but brake still operating Front brake lever touches handlebars when pulled in. (1.1.10 (b) (i)) | 1 |
| Front Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Central Front Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 1 |