| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 7 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 3 |
| Rear Brake reaction bracket insecure |3.2.A1j| | 2 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 2 |
| Steering headbearing has excessive free play (2.2.2) | 2 |
| Horn not working |1.7.3a| | 1 |
| Front Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Rear position lamp adversely affected by the operation of the horn |1.1.3b| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Brake locking device missing |3.2.A1e| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Front wheel spindle securing nut locking device insecure |2.3.5a| | 1 |
| Front Front mudguard insecure |2.3.7| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Brake lever attachment screws loose |3.1.2b| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Offside Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Nearside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Centre Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Centre Rear Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Centre Rear Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Centre Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Centre Front Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Centre Front Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Horn missing (1.7.1) | 1 |
| Direction indicators affected by the operation of another lamp (1.5.1c) | 1 |
| Nearside Front Footrest insecure (6.2.1a) | 1 |
| Offside Front Footrest insecure (6.2.1a) | 1 |
| Rear Brake reaction bracket insecure (3.2.A1j) | 1 |