| Most common failures | No# failures |
|---|
| Horn not working |1.7.3a| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Headlamp aim out of alignment | 2 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 2 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Front Steering lock stop ineffective |2.1.3| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Horn is not a constant note |1.7.3c| | 1 |
| Nearside Front Brake component leaking fluid |3.2.B4| | 1 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Brake pedal pivots excessively worn |3.1.3a| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Brake performance not tested |3.3| | 1 |
| Rear Brake performance not tested |3.3| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Stop lamp not working Brake control. (4.3.1 (a) (ii)) | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear mono-shock insecure |2.4.B.4| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |