| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Headlamp aim out of alignment | 3 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Horn not working |1.7.3a| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Registration plate issues | 2 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Front wheel spindle securing nut locking device missing |2.3.5a| | 2 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Brake pedal so insecure that the brake cannot be readily applied |1.1.2 |e| |ii|| | 1 |
| Brake performance not tested |1.2.1 |g|| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| All position lamps adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Nearside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Rear Brake reaction bracket securing bolt|s| missing |3.2.A1j| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |