| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 4 |
| Stop lamp remains on when the brakes are released | 2 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a)) | 1 |
| Steering linkage component insecure (2.1.3 (a) (i)) | 1 |
| Rear Shock absorber insecurely attached (5.3.2 (a) (i)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Dipswitch does not operate immediately when selected on dipped beam |4.1.3 |b|| | 1 |
| Dipswitch does not operate immediately when selected on main beam |4.1.3 |b|| | 1 |
| Direction indicator not working Left Hand Side |4.4.1 |a| |ii|| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies rear control |1.3.1a| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 1 |
| Front Brake excessively binding |1.2.1 |f|| | 1 |
| Registration plate issues | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Drive chain horseshoe locking device incorrectly fitted |6.1.7 |j| |i|| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.4 |a|| | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Brake pedal not releasing correctly and functionality of brakes affected (1.1.2 (b) (ii)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Drive chain sprocket worn to excess Bearing (6.1.7 (c) (i)) | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |