| Most common failures | No# failures |
|---|
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Headlamp aim out of alignment | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Registration plate issues | 2 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 2 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Headlamp insecure (1.2.3b) | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Front Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Front Sidecar direction indicator damaged and function impaired |1.5.3a| | 1 |
| Front Brake fluid reservoir leaking hydraulic fluid |3.2.B1e| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Brake component insecure split missing rear torque arm (1.1.21 (c)) | 1 |
| Horn not working |1.7.3a| | 1 |
| Headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Brake lever attachment screws loose |3.1.2b| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Rear Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Offside Rear Brake reaction bracket securing bolt|s| missing |3.2.A1j| | 1 |