| Most common failures | No# failures |
|---|
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Headlamp aim out of alignment | 2 |
| Registration plate issues | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Drive chain sprocket so worn it is likely to fail Teeth Missing (6.1.7 (c) (ii)) | 1 |
| Front Drive chain sprocket so worn it is likely to fail Front Sprocket (6.1.7 (c) (ii)) | 1 |
| Wheel spindle locking device missing (5.2.1 (d)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected Engine RPM raised on Lock (6.2.7 (a) (ii)) | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Rear position lamp obscured more than 50% |1.1.1d| | 1 |
| Rear Drive chain excessively tight |6.2.1d| | 1 |
| Front Indicator tell tale not functioning |1.5.2| | 1 |
| Rear Indicator tell tale not operating correctly |1.5.2| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |