| Most common failures | No# failures |
|---|
| Rear wheel bearings have excessive free play |2.4.A.2c| | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 3 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Headlamp aim out of alignment | 1 |
| Horn sounds harsh or grating |1.7.3c| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Front Stop lamp missing |1.3.3a| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| 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 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Front Clutch lever positioned so it cannot be readily operated. |6.2.1g| | 1 |
| Front Lower 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 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Clutch lever positioned so it cannot be readily operated. |6.2.1g| | 1 |
| Front Wheel modified significantly reducing the original strength |4.2.1a| | 1 |
| Lower Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Brake pedal is positioned so that the brake cannot be readily applied |3.1.3c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Front Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Registration plate issues | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Steering linkage has excessive free play |2.2.2| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Fuel cap sealing washer missing |7.2.2c| | 1 |
| Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Horn not working |1.7.3a| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |