| Most common failures | No# failures |
|---|
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Headlamp aim out of alignment | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Floor brake test indicates a severely juddering brake |3.3C2d.| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Front Front suspension fouling which affects the movement of the front suspension. |2.3.6a| | 1 |
| Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Brake locking device missing |3.2.A1e| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Headlamp switch insecure |1.2.4| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride chain clip |6.2.1h| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear position lamp damaged and function impaired |1.1.1b| | 1 |
| Rear Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Horn not working |1.7.3a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Upper Front suspension assembly component loose |2.3.1| | 1 |
| Front Brake locking device insecure |3.2.A1e| | 1 |
| Nearside Fuel system component insecure |7.2.1b| | 1 |
| Offside Rear Rear suspension component loose |2.4.A.1a| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Fuel pipe leaking |7.2.1a| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |