| Most common failures | No# failures |
|---|
| Registration plate issues | 4 |
| Headlamp aim out of alignment | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Centre Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Fuel tank leaking |7.2.1a| | 1 |
| Front Front shock absorber seal failed and leaking oil Both fork seals |2.3.3| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Nearside Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Offside Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Rear Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Front Motorcycle structure cracked |6.1.1a| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Headlamp deteriorated and function impaired |1.2.3a| | 1 |