| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5 |
| Horn not working |1.7.3a| | 5 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 5 |
| Rear reflector on motorcycle missing |1.4.1| | 5 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 3 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Direction indicators not working |1.5.1c| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Rear Direction indicators not working |1.5.1c| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear Drive chain excessively loose |6.2.1d| | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 2 |
| Exhaust mounting missing |7.1.1c| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Front Direction indicators not working |1.5.1c| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Front wheel spindle securing nut locking device missing |2.3.5a| | 2 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Front Footrest insecure |6.2.1a| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Brake locking device missing |3.2.A1e| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Rear wheel spindle loose |2.4.A.2b| | 1 |
| All position lamps not working both bulbs |4.2.1 |a|| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Direction indicator missing |1.5.1a| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Centre Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Registration plate issues | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Throttle operating incorrectly stiff in operation - not returning to stop when released |6.2.1f| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front Footrest insecure both |6.2.1a| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Nearside Front Direction indicator missing |1.5.1a| | 1 |
| Offside Direction indicator not working |1.5.1c| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Brake lining|s| contaminated by oil or grease |3.2.A1k| | 1 |
| Front Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 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 |
| Direction indicators not working all |1.5.1c| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Front Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Nearside Front Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Nearside Rear Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Fuel system component leaking fuel tap filter (6.1.3 (b) (i)) | 1 |