| Most common failures | No# failures |
|---|
| Horn not working |1.7.3a| | 7 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Headlamp aim out of alignment | 5 |
| Fuel system component leaking |7.2.1a| | 4 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 4 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Riders seat insecure |6.2.1a| | 2 |
| Handlebar mounting clamp loose |2.1.1a| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Headlamp switch faulty |1.2.4| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 2 |
| Rear Stop lamp affected by the operation of another lamp |1.3.2| | 2 |
| Registration plate issues | 2 |
| Headlamp insecure |1.2.3b| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Brake lever insecure |3.1.2a| | 2 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Rear Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Leg shield insecure and likely to impede the steering |2.1.2e| | 1 |
| Rear position lamp missing |1.1.1a| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Front wheel spindle loose |2.3.5a| | 1 |
| Front Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Front position lamp adversely affected by the operation of another lamp when indicators are on |1.1.3b| | 1 |
| Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Fuel cap sealing washer torn |7.2.2c| | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Rear wheel spindle securing nut locking device insecure |2.4.A.2b| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Centre Front Horn not working |1.7.3a| | 1 |
| Centre Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Wheel spoke excessively loose |4.2.1b| | 1 |
| Offside Direction indicator not working |1.5.1c| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear position lamp adversely affected by the operation of another lamp when indicators are on |1.1.3b| | 1 |
| Rear Direction indicator obscured |1.5.1a| | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear Wheel has an excessively eccentric bead rim. |4.2.2| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 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 |
| Rear Fuel system component insecure |7.2.1b| | 1 |
| Nearside Steering lock stop ineffective |2.1.3| | 1 |
| Fuel cap sealing washer deteriorated |7.2.2c| | 1 |
| Fuel system component leaking carburettor |7.2.1a| | 1 |
| Roller brake test brake efficiency less than 27.5% overall (1.2.2 (a) (ii)) | 1 |