| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Horn not working |1.6.2a| | 2 |
| Direction indicators adversely affected by the operation of another lamp |1.4.A.2h| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Stop lamp(s) not working Not operating from hand control (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Road wheel distorted |4.2.A.1a| | 1 |
| Rear Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.B.7| | 1 |
| Rear brake binding | 1 |
| Brake cable has wires broken and is significantly weakened |3.5.1b| | 1 |
| Front Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 1 |
| Front Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 1 |
| Rear Mechanical brake component has restricted free movement | 1 |
| Centre Front position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls not working (4.3.2 (a) (iii)) | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Registration plate issues | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Central Handlebar fractured to the extent that detachment is likely (2.2.1 (c) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition Both (8.1.1 (a)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Headlamp aim beam image kick up to the offside tape added to lens |1.6| | 1 |
| All position lamps adversely affected by the operation of the horn suspect flat battery |1.1.3b| | 1 |
| Horn is not a constant note suspect low battery |1.7.3c| | 1 |
| Front wheel bearings are excessively tight |2.3.5b| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Rear Brake fluid reservoir leaking hydraulic fluid |3.2.B1e| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |