| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 7 |
| Headlamp aim out of alignment | 4 |
| Registration plate issues | 4 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 3 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Rear Footrest missing |6.2.1a| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Drive chain worn to excess |6.2.1e| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Front Wheel bearing play so excessive that directional control is impaired (5.1.3 (a) (ii)) | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Direction indicator missing |1.5.1a| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Brake lever pivot has excessive free play |1.1.1 |b|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Drive chain excessively loose excess play |6.2.1d| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp not working on dipped beam Bulb (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on main beam Bulb (4.1.1 (a) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Direction indicator not working Conection (4.4.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Rear Brake lining(s) missing (1.1.13 (c)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Direction indicators not working left hand rear |1.5.1c| | 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 |
| Front Wheel fixing missing (single fixing) (5.2.1 (a) (ii)) | 1 |
| Rear Direction indicator insecure |1.5.3b| | 1 |
| Front Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Rear Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Direction indicator insecure |1.5.3b| | 1 |
| Front Hydraulic brake control creeps under load. |3.1.4a| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Rear Exhaust mounting missing |7.1.1c| | 1 |
| Front Headlamp incorrect colour |1.2.1| | 1 |