| Most common failures | No# failures |
|---|
| Registration plate issues | 11 |
| Headlamp aim out of alignment | 10 |
| Rear reflector on motorcycle missing |1.4.1| | 6 |
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Rear reflector missing |4.8.2 |a| |ii|| | 3 |
| Registration plate lamp issues | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 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 reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Rear position lamp missing |1.1.1a| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Front Stop lamp missing |1.3.3a| | 1 |
| Rear Stop lamp missing |1.3.3a| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking rear mudguard and seat insecure |6.1.1c| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear Suspension component pin or bush excessively worn |5.3.4 |a| |i|| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition |8.1.1 |a|| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Offside Front Direction indicator missing |1.5.1a| | 1 |
| Rear reflector on sidecar missing |1.4.1| | 1 |
| Front Riders seat insecure |6.2.1a| | 1 |
| Rear All direction indicators missing (4.4.1 (a) (ii)) | 1 |
| Rear Position lamp missing (4.2.1 (a)) | 1 |
| Headlamp light source and lamp not compatible (4.1.4 (c)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 1 |
| Fuel cap ineffective sealing ring missing (6.1.3 (b) (i)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Parking brake lever is not capable of being maintained in operation by direct mechanical action only (1.1.6 (f)) | 1 |