| Most common failures | No# failures |
|---|
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Nearside Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars |2.1.2b| | 2 |
| Headlamp aim out of alignment | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Position lamp switch insecure |1.1.4b| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Rear Direction indicator incorrect colour showing white light |1.5.1b| | 1 |
| Nearside Front Direction indicator incorrect colour showing white light |1.5.1b| | 1 |
| Nearside Indicator switch insecure |1.5.4| | 1 |
| Rear Seat insecure bolts missing |6.2.1a| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Nearside Position lamp switch insecure |1.1.4b| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Fuel system component insecure tank |7.2.1b| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Horn not working |1.7.3a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Decelerometer brake test the less effective brake control does not achieve an efficiency of 25%. |3.3.E1b| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Offside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |