| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 2 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Brake reaction bracket securing bolt|s| missing |3.2.A1j| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Wheel spoke cracked. |4.2.1b| | 1 |
| Rear Wheel spoke excessively bent |4.2.1b| | 1 |
| Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Drive chain fouling another component |6.2.1d| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Fairing so located that it is likely to impede the steering |2.1.2e| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Brake drum|s| securing bolt|s| loose |3.2.A1g| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Direction indicators 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 |