| Most common failures | No# failures |
|---|
| Registration plate issues | 9 |
| Rear reflector on motorcycle missing |1.4.1| | 6 |
| Headlamp aim beam image kick up to the offside |1.6| | 5 |
| Headlamp aim out of alignment | 4 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Front Brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Offside Rear Direction indicator insecure |1.5.3b| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| All position lamps adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear Brake reaction bracket insecure |3.2.A1j| | 1 |
| Offside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Brake locking device insecure |3.2.A1e| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Front Wheel spoke excessively loose (5.2.2 (d)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear wheel spindle securing nut|s| loose REAR |2.4.A.2b| | 1 |
| Fuel pipe leaking |7.2.1a| | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Rear Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Front wheel spindle loose |2.3.3a| | 1 |
| Registration plate lamp issues | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Front Wheel spindle locking device missing (5.2.1 (d)) | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Brake lever is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Chain guard insecure |6.2.1c| | 1 |
| Front All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Wheel damaged or distorted to the extent that control of the motorcycle is likely to be adversely affected |5.2.2 |c| |ii|| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Fuel tank leaking |7.2.1a| | 1 |
| Horn missing |1.7.1| | 1 |
| Steering lock stop missing |2.1.3| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear wheel spindle loose |2.4.A.2b| | 1 |
| Riders seat insecure |6.2.1a| | 1 |