| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 10 |
| Registration plate issues | 8 |
| Rear reflector on motorcycle missing |1.4.1| | 5 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Throttle operating incorrectly |6.2.1f| | 4 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Indicator switch insecure |1.5.4| | 2 |
| Fuel cap leaking seal deteriorated (6.1.3 (b) (i)) | 1 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected throttle sticks, does not return. (6.2.7 (a) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 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 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Stop lamp missing |1.3.3a| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Front Brake disc|s| securing bolt|s| missing |3.2.A1g| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Fuel system component leaking excessively or a risk of fire carb area (6.1.3 (b) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen wrong way kick up (4.1.2 (a)) | 1 |
| Offside Front Throttle operating incorrectly twistgrip not returning (6.2.7 (a) (i)) | 1 |
| Nearside Headlamp switch insecure |1.2.4| | 1 |
| Front Clutch lever shortened so it cannot be readily operated. |6.2.1g| | 1 |
| Front Brake lever is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Registration plate lamp issues | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Rear Wheel spindle locking device missing (5.2.1 (d)) | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Brake hose which buldges |3.2.B4| | 1 |