| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 9 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 4 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Horn not working |1.7.3a| | 3 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 2 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Front Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Rear Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Front Wheel spoke excessively loose |4.2.1b| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Direction indicators not working |1.5.1c| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Headlamp damaged and function impaired |1.2.3a| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Brake lever is inoperative |3.1.3c| | 1 |
| Fuel cap sealing washer deteriorated |7.2.2c| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Drive chain fouling another component |6.2.1d| | 1 |
| Nearside Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Offside Steering lock stop maladjusted |2.1.3| | 1 |