| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Registration plate issues | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Offside Footrest insecure |6.2.1a| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front suspension assembly component excessively misaligned |2.3.1| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Brake pedal is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| All direction indicators adversely affected by the operation of another lamp |4.4.3 |b|| | 1 |
| All direction indicators not working on low revs |4.4.1 |a| |ii|| | 1 |
| Rear Footrest missing both |6.2.12 |a|| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Drive chain worn to excess link side plate broken |6.2.1e| | 1 |
| Decelerometer brake test no brake control achieves an efficiency of 30% |3.3.E1a| | 1 |
| Decelerometer brake test neither brake control achieves an efficiency of 25% |3.3.E1c| | 1 |
| Fuel system component leaking carb pipe leaking |6.1.3 |b| |i|| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Brake locking device missing front and rear torque arm nuts |3.2.A1e| | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Floor brake test indicates a severely grabbing brake |3.3.C2d| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Rear Wheel spoke cracked. |4.2.1b| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 1 |
| Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Direction indicator missing |1.5.1a| | 1 |