| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 8 |
| Registration plate issues | 8 |
| Headlamp aim out of alignment | 3 |
| Registration plate lamp issues | 3 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 2 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Horn not working |1.7.3a| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Brake pedal is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Nearside Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Offside Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Direction indicator missing |1.5.1a| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Nearside Front Shock absorber missing |5.3.2 |a| |ii|| | 1 |
| Throttle operating incorrectly sticking open in all positions |6.2.1f| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Stop lamp adversely affected by the operation of another lamp nearside and offside |1.2.1f| | 1 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Throttle operating incorrectly throttle sticks on right hand lock due too heated grip (6.2.7 (a) (i)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |