| Most common failures | No# failures |
|---|
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Horn missing |1.7.1| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 1 |
| Offside Front Footrest insecure (6.2.12 (a)) | 1 |
| Lower Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear suspension bearing has excessive free play lower shock |2.4.A2a|i|| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |