| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 5 |
| Headlamp aim out of alignment | 4 |
| Registration plate issues | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Offside Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Front Position lamp missing |4.2.1 |a|| | 1 |
| All direction indicators missing |4.4.1 |a| |ii|| | 1 |
| Handlebar mounting insecure |2.2.1 |a| |i|| | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Front Brake disc|s| insecure |3.2.A1g| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |