| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 19 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 10 |
| Registration plate issues | 10 |
| Rear reflector missing (4.8.2 (a) (ii)) | 9 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 6 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 6 |
| Rear Position lamp not working (4.2.1 (a)) | 3 |
| Horn not working (7.7 (a)) | 3 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 2 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 2 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Offside Rear Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Central Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls sidecar brake light not working (4.3.2 (a) (iii)) | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Offside Rear Lower Brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Offside Rear Lower Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Brake excessively binding nearside sidecar brake binding no return spring (1.2.1 (f)) | 1 |
| Nearside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Registration plate lamp issues | 1 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| All direction indicators obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Central Rear Upper Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Nearside Front Direction indicator obviously incorrectly positioned Sidecar indicator mounted to show amber light to rear not clearly visible from front of outfit (4.4.3 (a)) | 1 |
| Nearside Front All direction indicators missing No indicator on front of l/h/s of sidecar (4.4.1 (a) (ii)) | 1 |
| Steering damper in such a condition that the steering action is adversely affected turning to the right the damper is restricting movement (2.1.4 (d) (ii)) | 1 |
| Nearside Direction indicator not working side car (4.4.1 (a) (ii)) | 1 |
| Nearside Direction indicator obviously incorrectly positioned on the motorcycle rather than the sidecar (4.4.3 (a)) | 1 |
| Footrest missing pillion (6.2.12 (a)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |