| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 7 |
| Headlamp aim out of alignment | 5 |
| Registration plate lamp issues | 4 |
| Registration plate issues | 4 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Rear reflector on motorcycle missing (1.4.1) | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on (1.1.3a) | 1 |
| Front Brake disc(s) is excessively distorted (3.2.A1m) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies (1.3.1a) | 1 |
| Throttle operating incorrectly (6.2.1f) | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear Upper Suspension component pin or bush likely to become detached fixing bolt loose. |5.3.4 |a| |ii|| | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Headlamp not working on dipped beam Switch is wired backwards. (4.1.1 (a) (ii)) | 1 |
| Front Wheel damaged or distorted to the extent that control of the motorcycle is likely to be adversely affected (5.2.2 (c) (ii)) | 1 |
| Rear Wheel damaged or distorted to the extent that control of the motorcycle is likely to be adversely affected (5.2.2 (c) (ii)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Rear reflector on sidecar missing |1.4.1| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Drive chain fouling another component |6.2.1d| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Front Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |