| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 9 |
| Registration plate issues | 3 |
| Headlamp insecure |1.2.3b| | 2 |
| Handlebar mounting clamp loose |2.1.1a| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Nearside Front Direction indicators not working |1.5.1c| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride rear wheel and brake anchor |6.2.1h| | 1 |
| Steering lock stop ineffective |2.1.3| | 1 |
| Front Wheel corroded significantly reducing the original strength |4.2.1a| | 1 |
| Centre Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear Brake pedal is positioned so that the brake cannot be readily applied lever operation not accessible due to filter |3.1.3c| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 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 |1.3.1a| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 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 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Offside Front brake disc contaminated by oil |3.5.1h| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Nearside Rear Road wheel more than one fixing missing (5.2.1 (a) (ii)) | 1 |
| Offside Rear Road wheel more than one fixing missing (5.2.1 (a) (ii)) | 1 |
| Drivers seat insecure (6.2.5 (a) (ii)) | 1 |
| Stop lamp(s) all not working off foot control (4.3.1 (a) (iii)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Parking brake lever is not capable of being maintained in operation by direct mechanical action only (1.1.6 (f)) | 1 |
| Nearside Suspension arm insecurely attached swinging arm locking nut missing (5.3.3 (a) (i)) | 1 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Nearside Rear Service brake is causing the vehicle to swerve to the offside service brake not working (1.2.1 (b) (i)) | 1 |
| Front suspension assembly component loose (2.3.1) | 1 |
| Front Brake fluid reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 1 |
| Stop lamp not working front lever or rear brake pedal operation of stop light inop (4.3.1 (a) (ii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Throttle operating incorrectly when handle bars moved side to side engine revs up (6.2.7 (a) (i)) | 1 |