| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Headlamp aim out of alignment | 3 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Front Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Rear Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Front suspension assembly component excessively misaligned |2.3.1| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Rear Wheel spoke excessively loose Several |4.2.1b| | 1 |
| Rear Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Rear Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Wheel spindle locking device missing (5.2.1 (d)) | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |