| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 9 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Offside Front Brake cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Rear Suspension rod attachment bracket/mounting insecure spilt pin missing (5.3.3 (a) (i)) | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Indicator switch defective wont cancell properly |1.5.4| | 1 |
| Headlamp dipped beam affected by the operation of the horn |1.2.2c| | 1 |
| Headlamp main beam affected by the operation of the horn |1.2.2c| | 1 |
| Horn is not a constant note |1.7.3c| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear Drive chain sprocket so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Rear Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Brake linked system has a seized master cylinder pivot. |3.2.B5| | 1 |
| Front Brake fluid reservoir leaking hydraulic fluid |3.2.B1e| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Rear position lamp adversely affected by the operation of the horn |1.1.3b| | 1 |
| Front Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Nearside Rear suspension component excessively bent |2.4.A.1a| | 1 |
| Steering control handlebar movement restricted by taut cables |2.1.2c| | 1 |