| Most common failures | No# failures |
|---|
| Stop lamp affected by the operation of another lamp |1.3.2| | 2 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Suspension component has excessive wear or free play Fork legs very stiff and liable to jam (5.3.3 (d)) | 1 |
| All direction indicators adversely affected by the operation of another lamp Indicators stop working when brake light illuminated (4.4.3 (b)) | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Headlamp aim out of alignment | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Front Brake has no recorded effort at a wheel |1.2.1 |a| |ii|| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Horn not working |1.7.3a| | 1 |
| Centre Front Upper Horn not working |1.7.3a| | 1 |
| Wheel fixing missing (single fixing) front wheel spindle split pin missing (5.2.1 (a) (ii)) | 1 |
| Brake component insecure front brake lever arm retaining bolt missing (1.1.21 (c)) | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Centre Upper Fork yoke deformed |2.1.1b| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Nearside Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Offside Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |