| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Fuel system component leaking |7.2.1a| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Registration plate issues | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Rear Direction indicator missing |4.4.1 |a| |ii|| | 1 |
| Offside Rear Shock absorber insecurely attached rear off side bottom bolt loose on suspension |5.3.2 |a| |i|| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Outer Rear Rear mono-shock insecure |2.4.B.4| | 1 |
| Outer Front Direction indicator not working |1.5.1c| | 1 |
| Outer Rear Direction indicator not working |1.5.1c| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| All position lamps adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Steering linkage has excessive free play |2.2.2| | 1 |
| Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Centre Rear Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Centre Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Offside Front Throttle operating incorrectly |6.2.1f| | 1 |
| Nearside Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Offside Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Centre Front Handlebar mounting excessively deteriorated |flexible type| |2.1.1d| | 1 |
| Inner Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Inner Front Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Offside Rear Brake reaction bracket insecure |3.2.A1j| | 1 |
| Offside Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Nearside Front Steering lock stop ineffective |2.1.3| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Centre Rear Rear reflector on sidecar missing |1.4.1| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Fuel cap sealing washer missing |7.2.2c| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Fairing so located that it is likely to impede the steering |2.1.2e| | 1 |