| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 5 |
| Registration plate issues | 4 |
| Horn not working |1.7.3a| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Horn missing |1.7.1| | 2 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Front Decelerometer brake test indicates a severely juddering brake |3.3.E1e| | 1 |
| Front Decelerometer brake test indicates a binding brake |3.3.E1d| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Rear Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Drive chain sprocket so loose it is likely to fail bolt missing |6.1.7 |c| |ii|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |