| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 6 |
| Registration plate issues | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Stop lamp does not illuminate immediately a brake applies (1.3.1a) | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Horn control defective |1.7.2a| | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Stop lamp does not illuminate immediately a brake applies both switches |1.3.1a| | 1 |
| Lower Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Offside Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Indicator tell tale not operating correctly |1.5.2| | 1 |
| Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected Sidecar (5.2.1 (c) (ii)) | 1 |
| Rear Rear wheel bearings have excessive free play (2.4.A.2c) | 1 |
| Rear position lamp does not illuminate immediately when it is switched on (1.1.3a) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |