| Most common failures | No# failures |
|---|
| Registration plate issues | 19 |
| Rear reflector on motorcycle missing |1.4.1| | 9 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 6 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Headlamp aim out of alignment | 3 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Horn not working |1.7.3a| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Wheel spoke excessively loose |4.2.1b| | 1 |
| Fuel cap sealing washer missing |7.2.2c| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Front Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Rear Wheel bearing so rough it is likely to overheat or break up |5.1.3 |b| |ii|| | 1 |
| Centre Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 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 |
| Rear Wheel spoke missing |5.2.2 |d|| | 1 |
| Front Upper Headlamp main beam affected by the operation of the horn |1.2.2c| | 1 |
| Lower Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Nearside Rear Upper Fuel hose leaking |7.2.1a| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Nearside Rear Lower Drive chain excessively tight |6.2.1d| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Lower Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Horn missing |1.7.1| | 1 |