| Most common failures | No# failures |
|---|
| Registration plate issues | 4 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Headlamp aim out of alignment | 2 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Front wheel spindle loose |2.3.3a| | 1 |
| Rear Stop lamp damaged and function impaired |1.3.3a| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Handlebar mounting excessively deteriorated |flexible type| |2.1.1d| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Exhaust has part of the system missing |7.1.1a| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Nearside Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Offside Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Indicator tell tale not operating correctly |1.5.2| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |