| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 7 |
| Horn not working |1.7.3a| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Nearside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Front Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Offside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Rear Brake pedal insecure |3.1.2a| | 1 |
| Offside Rear Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Front Brake cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Centre Rear Lower Exhaust excessively deteriorated |7.1.1a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Front wheel insecure |4.2.3b| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |