| Most common failures | No# failures |
|---|
| Registration plate issues | 6 |
| Headlamp aim out of alignment | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Centre Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Wheel spoke excessively loose |4.2.1b| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front Direction indicator missing |1.5.1a| | 1 |
| Rear Direction indicator missing |1.5.1a| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Upper Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Rear wheel rotation likely to be impeded not spaced correctly |6.2.1b| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear mono-shock pivot seized |2.4.B.4| | 1 |
| Rear wheel spindle securing nut locking device insecure |2.4.A.2b| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Roller brake test No brake control achieves an efficiency of 30% (1.2.2 (a) (i)) | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |