| Most common failures | No# failures |
|---|
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Stop lamp does not illuminate immediately a brake applies (1.3.1a) | 1 |
| Front Brake lever pivot excessively worn (1.1.1 (b)) | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.B2b| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Front Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Headlamp aim out of alignment | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Decelerometer brake test the less effective brake control does not achieve an efficiency of 25%. |3.3.E1b| | 1 |
| Front Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Front Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Offside Front Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Position lamp showing white light to the rear Hole in rear lamp (4.2.3 (a) (ii)) | 1 |
| Fairings so located that it is likely to impede the steering Front mudguard |2.1.2e| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Clutch lever shortened so it cannot be readily operated. |6.2.1g| | 1 |
| Rear wheel has a missing wheel bolt|s| |4.2.3a| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |