| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 10 |
| Registration plate issues | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Horn not working |1.7.3a| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Exhaust is leaking and excessively noisey Right side silencer loose. |7.1.1b| | 1 |
| Headlamp aim beam image kick up to the offside Mask fitted. |1.6| | 1 |
| Offside Front Throttle operating incorrectly Not Returning, very stiff (6.2.7 (a) (i)) | 1 |
| Nearside Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Nearside Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Offside Rear Motorcycle structure joining/attachment plate or fastening insecure chain ajuster (6.1.1 (b) (i)) | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded pads not correct |3.2.A1h| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Stop lamp adversely affected by the operation of another lamp intergratd light unit (4.3.3 (b)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Handlebar grip insecure to handlebar both sides |2.2.1 |d| |ii|| | 1 |
| Rear Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Rear Direction indicator obviously incorrectly positioned too close together. Must be 180 mm separation (4.4.3 (a)) | 1 |
| Registration plate lamp issues | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Rear Brake fluid contaminated (1.8 (a)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |