| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 9 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Horn not working |1.7.3a| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Fuel system component leaking Carburettor |7.2.1a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Stop lamp switch with a delay in operation Control 2 |4.3.2 |a| |ii|| | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Fuel system component leaking |6.1.3 |b| |i|| | 1 |
| Handlebar deformed to the extent that steering is affected |2.2.1 |c| |ii|| | 1 |
| Headlamp lens seriously defective |4.1.1 |b| |ii|| | 1 |
| Registration plate issues | 1 |
| Rear Wheel spindle locking device missing (5.2.1 (d)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 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 |
| Riders seat insecure |6.2.1a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Brake pedal mounting insecure |3.1.2a| | 1 |
| Upper Rear suspension component loose |2.4.A.1a| | 1 |
| Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected Tightened up front wheel (5.2.1 (c) (ii)) | 1 |
| Fork yoke insecure Bolt replaced on fork top yoke (2.2.2 (d) (i)) | 1 |
| Horn not working Reconnected horn (7.7 (a)) | 1 |
| Brake pedal is positioned so that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front Position lamp switch faulty |1.1.4a| | 1 |
| Front Front suspension assembly component loose |2.3.1| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Rear Upper Brake locking device missing |3.2.A1e| | 1 |
| Fuel cap sealing washer deteriorated |7.2.2c| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Brake cable has a significantly damaged outer casing. |3.2.A1b| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Front Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies (1.3.1a) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies (1.3.1a) | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |