| Most common failures | No# failures |
|---|
| Horn not working |1.7.3a| | 5 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 3 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Registration plate issues | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Nearside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Brake back plate|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Headlamp aim out of alignment | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| An item not tested |Manual| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Direction indicator not working |1.5.1c| | 1 |
| Offside Direction indicator not working |1.5.1c| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Indicator switch does not operate the direction indicators on the side selected |1.5.4| | 1 |
| Offside Rear Wheel fixing missing |single fixing| Rear wheel spindle nut split pin missing. |5.2.1 |a| |ii|| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Direction indicator affected by the operation of another lamp affecting rear brake light |1.5.1c| | 1 |
| Offside Front Brake lever insecure Front brake lever pivot bolt not secure. [Split pin missing]. |1.1.2 |e| |i|| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Wheel spoke excessively loose |5.2.2 |d|| | 1 |
| Front Valve stem seriously misaligned |5.2.3 |j|| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |