| Most common failures | No# failures |
|---|
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Headlamp aim out of alignment | 2 |
| Front All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Direction indicator insecure |1.5.3b| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Gradient brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.D1b| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Front position lamp deteriorated and function impaired |1.1.1b| | 1 |
| Rear Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Front position lamp insecure |1.1.1c| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Headlamp switch faulty |1.2.4| | 1 |
| Front Brake lever pivots excessively worn |3.1.3a| | 1 |
| Rear Drive chain excessively tight |6.2.1d| | 1 |
| Nearside Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Offside Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Nearside Front Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Brake reaction bracket insecure |3.2.A1j| | 1 |