| Most common failures | No# failures |
|---|
| Registration plate issues | 24 |
| Rear reflector on motorcycle missing |1.4.1| | 17 |
| Headlamp aim out of alignment | 16 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 8 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear reflector missing |4.8.2 |a| |ii|| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Headlamp insecure |1.2.3b| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Offside Rear 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|| | 1 |
| Stop lamp not working off of rear brake pedal |4.3.1 |a| |ii|| | 1 |
| Rear Rear wheel bearings are excessively rough |2.4.A.2c| | 1 |
| Central Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Direction indicator not working |1.5.1c| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies foot brake rear not operating |1.3.1a| | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Offside Rear Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Stop lamp does not illuminate immediately a brake applies rear switch |1.3.1a| | 1 |
| Offside Rear Direction indicator missing |1.5.1a| | 1 |
| Nearside Front Brake caliper inadequately mounted bolt missing |1.1.16 |c| |i|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Nearside Front Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Offside Front Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Offside Rear Lower Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Offside Rear Lower Brake reaction bracket insecure |3.2.A1j| | 1 |
| Headlamp light intensity severely reduced |4.1.4 |a|| | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Stop lamp emits other than a steady red light (4.3.3 (a) (ii)) | 1 |
| Rear Direction indicator adversely affected by the operation of another lamp both rear indicators affected by stop lamp (4.4.3 (b)) | 1 |
| Rear Direction indicator not working both rear indicators not clear in operation (4.4.1 (a) (ii)) | 1 |
| Front Direction indicator obviously incorrectly positioned front indicators obscured by headlamp (4.4.3 (a)) | 1 |
| 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)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Registration plate lamp issues | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |