| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5 |
| Parking brake: efficiency below requirements |3.7.B.7| | 2 |
| Brakes imbalanced across an axle | 2 |
| Horn not working |1.7.3a| | 1 |
| Parking (secondary brake) on a single line braking system imbalanced across an axle Axle 1 (1.3.1 (b) (i)) | 1 |
| Stop lamp not working Not working from footbrake |1.2.1b| | 1 |
| Handlebar mounting clamp loose movement in right hand clamp |9.2.1c| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Shock absorber has negligible damping effect |2.7.5| | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Offside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Centre Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Rear Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Horn not working |1.6.2a| | 1 |
| Direction indicators not working |1.4.A.2c| | 1 |
| Rear Stop lamp not working |1.2.1b| | 1 |
| Hydraulic brake cylinder insecurely mounted |3.6.A.2a| | 1 |
| Rear parking brake recording little or no effort | 1 |
| Nearside Stop lamp missing |1.2.1a| | 1 |
| Offside Stop lamp missing |1.2.1a| | 1 |
| Nearside Rear reflector missing |1.5.1a| | 1 |
| Offside Rear reflector missing |1.5.1a| | 1 |
| Horn not loud enough to be heard by another road user (1.6.2b) | 1 |
| Front position lamp(s) not in good working order (function impaired) (1.1.4a) | 1 |
| Offside Front Brake hose twisted (found during steering lock to lock check) (2.2.D.2b) | 1 |
| Rear brake binding | 1 |
| Parking brake: efficiency below requirements (3.7.B.7) | 1 |
| Offside Front Shock absorbers has a serious fluid leak | 1 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 1 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 1 |
| Nearside Rear position lamp(s) not working (1.1.A.3b) | 1 |
| Nearside Front position lamp(s) not working (1.1.A.3b) | 1 |
| Registration plate lamp issues | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Registration plate issues | 1 |
| Hazard warning switch faulty |1.4.B.1d| | 1 |
| Offside Rear Braking system leaking WHEEL CYLINDER UNION |3.6.A.1| | 1 |
| Stop lamp not working FOOT BRAKE |1.2.1b| | 1 |
| Offside Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Nearside Rear Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Nearside Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Horn sound not in accordance with requirements bulb horn type does not meet requirements (7.7 (c)) | 1 |
| Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 1 |
| Stop lamp(s) all not working for front & rear brakes (4.3.1 (a) (iii)) | 1 |
| Offside Front Suspension component attachment bracket/mounting damaged and seriously weakened x1 fork clamp bolt sheared off (5.3.3 (b) (i)) | 1 |