| Most common failures | No# failures |
|---|
| Registration plate issues | 6 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Horn not working |1.7.3a| | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Horn not working |1.7.3a| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Headlamp aim not tested |1.6| | 1 |
| Rear 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 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Headlamp aim out of alignment | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |