| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 20 |
| Registration plate issues | 5 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 5 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Front wheel bearings are excessively rough |2.3.5b| | 4 |
| Horn not working |1.7.3a| | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Registration plate lamp issues | 3 |
| Headlamp aim beam image kick up to the offside |1.6| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies (1.3.1a) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Brake performance not tested (1.2.1 (g)) | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort (3.3.A1d) | 2 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Offside Rear Direction indicator not working |1.5.1c| | 2 |
| Central Front Steering operation restricted in free movement from lock to lock (2.1.4 (c)) | 2 |
| Rear All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Fuel system component leaking |7.2.1a| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Offside Front Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Offside Rear Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| Offside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Stop lamp does not illuminate immediately a brake applies when the front brake is applied |1.3.1a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Nearside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Horn not working (7.7 (a)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies (1.3.1a) | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Rear All direction indicators obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Indicator tell tale not functioning no tell tale light on high beam on clocks |1.5.2| | 1 |
| Brake hose damaged | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on (1.1.3a) | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Throttle operating incorrectly (6.2.1f) | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Clutch lever shortened so it cannot be readily operated. (6.2.1g) | 1 |
| Nearside Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Brake disc|s| securing bolt|s| loose |3.2.A1g| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Fuel cap mounting flange/sealing method defective |7.2.2c| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Rear position lamp adversely affected by the operation of another lamp indicator |1.1.3b| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Central Rear Stop lamp does not emit a steady light When Using Front Brake. |1.3.1b| | 1 |
| All direction indicators missing all (4.4.1 (a) (ii)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front wheel bearings have excessive free play retighten wheel spindle |2.3.5b| | 1 |