| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 4 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 2 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 2 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 2 |
| Registration plate lamp issues | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.B.7| | 2 |
| Front front brake binding |3.7.B.1| | 2 |
| Parking brake lever has no reserve travel |3.1.6b| | 2 |
| Rear Brake pedal spongy |3.3.B.1b| | 2 |
| Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 2 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 1 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 1 |
| Position lamp showing white light to the rear both (4.2.3 (a) (ii)) | 1 |
| Stop lamp|s| not working on front brake control |4.3.1 |a| |ii|| | 1 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Front Steering headbearing has excessive free play |9.2.4| | 1 |
| Offside Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Handlebar excessively deformed (2.2.1 (e) (i)) | 1 |
| Offside Rear Braking system leaking |3.6.A.1| | 1 |
| Rear Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 1 |
| All position lamps not working Electrical system out-of-commission. Electric items not tested. |1.1.A.3b| | 1 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Brake pedal creeps down when held under pressure |3.3.B.1a| | 1 |
| Rear Brake reservoir fluid level decreases after several pedal applications |3.3.C.1| | 1 |
| Rear Brake pedal has insufficient reserve movement |3.3.A.5| | 1 |
| Hazard warning switch missing |1.4.B.1d| | 1 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Rear parking brake recording little or no effort | 1 |
| Rear Sub-frame pin or bush excessively worn rear swinging arm pivot bushes (5.3.4 (a) (i)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 1 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1 |
| Offside Rear fog lamp missing |1.3.2a| | 1 |
| Rear fog lamp tell tale not working |1.3.1b| | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Nearside Rear reflector missing |1.5.1a| | 1 |
| Offside Rear reflector missing |1.5.1a| | 1 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| Hazard warning switch inoperative missing (4.4.2 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Exhaust has a major leak of exhaust gases |7.1.2| | 1 |