| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8 |
| Registration plate issues | 7 |
| Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| Rear reflector missing |4.8.2 |a| |ii|| | 5 |
| Registration plate lamp issues | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Headlamp insecure (4.1.1 (c)) | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| 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)) | 2 |
| Rear Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Rear Headlamp reflector missing |4.1.1 |b| |ii|| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Offside Stop lamp with a multiple light source more than 1/2 not functioning (4.3.1 (a) (ii)) | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Central Rear Upper Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Footrest missing Both (6.2.12 (a)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Indicator switch inoperative Delay in operation. (4.4.2 (a) (ii)) | 1 |
| Front Brake fluid contaminated (1.8 (a)) | 1 |
| Rear Stop lamp switch with a delay in operation Adjusted. |4.3.2 |a| |ii|| | 1 |
| Nearside Rear Lower Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Front Handlebar restricted in free movement from lock to lock (2.1.4 (c)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Direction indicator not working l/h rear |4.4.1 |a| |ii|| | 1 |
| Offside Rear Position lamp not working |4.2.1 |a|| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Headlamp insecure (4.1.1 (c)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Nearside Front Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Offside Front Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Nearside Front Brake excessively binding |1.2.1 |f|| | 1 |
| Offside Front Brake excessively binding |1.2.1 |f|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |