| Most common failures | No# failures |
|---|
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 4 |
| Horn not working |1.7.3a| | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Headlamp aim out of alignment | 3 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| 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| | 2 |
| Nearside Rear Direction indicator not working |1.5.1c| | 2 |
| Handlebar deformed |2.1.1b| | 2 |
| Rear Direction indicator not working |1.5.1c| | 2 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Headlamp incorrect colour |1.2.1| | 1 |
| Nearside Front Direction indicator damaged and function impaired white light rear |1.5.3a| | 1 |
| Registration plate issues | 1 |
| Front Brake lever mounting cracked |3.1.2c| | 1 |
| Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies when operating front brake |1.3.1a| | 1 |
| Fuel cap mounting flange/sealing method defective unable to inspect |7.2.2c| | 1 |
| Front shock absorber seal failed and leaking oil both |2.3.3| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride front wheel nut split pin |6.2.1h| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride rear brake anchor arm split pin missing |6.2.1h| | 1 |
| Front Brake locking device missing |3.2.A1e| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Rear Brake locking device insecure |3.2.A1e| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Rear Motorcycle structure cracked |6.1.1a| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Brake rod excessively damaged |3.2.A1c| | 1 |
| Brake component is severely distorted |3.1.5| | 1 |
| Steering lock stop ineffective |2.1.3| | 1 |
| An item not tested |Manual| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Drive chain fouling another component |6.2.1d| | 1 |
| Chain guard fouling another component |6.2.1c| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Stop lamp missing |1.3.3a| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Rear Shock absorber likely to become detached Mounting nut loose (5.3.2 (a) (ii)) | 1 |
| Rear Direction indicator light intensity significantly reduced (4.4.3 (a)) | 1 |
| Rear Brake component insecure Tension rod locking device to nut missing, nut loose (1.1.21 (c)) | 1 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Horn missing |1.7.1| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Brake pedal is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Indicator tell tale not operating correctly |1.5.2| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Headlamp aim beam image too far to the right |1.6.4| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Rear Brake reaction bracket insecure |3.2.A1j| | 1 |
| Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Offside Footrest missing |6.2.1a| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Rear Drive chain excessively loose |6.2.1d| | 1 |
| Front wheel spindle securing nut locking device insecure |2.3.3a| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |