| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 27 |
| Registration plate issues | 17 |
| Horn not working (7.7 (a)) | 8 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 5 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 4 |
| Headlamp aim out of alignment | 4 |
| Registration plate lamp issues | 4 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 3 |
| Horn not working missing (7.7 (a)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Horn sound not in accordance with requirements (7.7 (c)) | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Decelerometer brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the steering handle bar clamps twisted (2.4 (a)) | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Stop lamp not working no brake light switches fitted to front or rear brakes (4.3.1 (a) (ii)) | 1 |
| Headlamp not working on main beam no switch fitted (4.1.1 (a) (ii)) | 1 |
| Front Position lamp not working No bulb fitted (4.2.1 (a)) | 1 |
| Front Brake master cylinder insecure Loose on the handle bar (1.1.10 (c)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Headlamp reflector missing (4.1.1 (b) (ii)) | 1 |
| Central Front Horn not working Wire terminal broken (7.7 (a)) | 1 |
| Stop lamp not working with front brake (4.3.1 (a) (ii)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Stop lamp missing (4.3.1 (a) (ii)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Front Brake cylinder operating mechanism has excessive travel brake control (1.1.16 (e) (i)) | 1 |
| Rear All direction indicators missing (4.4.1 (a) (ii)) | 1 |
| Horn not working missing no switch (7.7 (a)) | 1 |
| Rear Brake linkage has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Front Wheel excessively distorted Road wheel condition
2mm for aluminium alloy rims (cast or fabricated) (5.2.2 (c) (i)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |