| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 15 |
| Registration plate issues | 10 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 9 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 6 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 5 |
| Front wheel bearings have excessive free play |2.3.5b| | 5 |
| Front wheel bearings are excessively rough |2.3.5b| | 5 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Indicator switch defective |1.5.4| | 2 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Offside Indicator switch defective |1.5.4| | 2 |
| Front suspension has inadequate damping effect. |2.3.6c| | 2 |
| All position lamps adversely affected by the operation of another lamp |1.1.3b| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 2 |
| Horn not working |1.7.3a| | 1 |
| Front Fairings insecure and likely to impede the steering under tray |2.1.2e| | 1 |
| Offside Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Direction indicator deteriorated and function impaired lens missing |1.5.3a| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Floor brake test indicates a severely grabbing brake |3.3.C2d| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.2.A1f|i|| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Floor brake test indicates a severely grabbing brake |3.3.C2d| | 1 |
| Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Brake lever is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Brake lever is inoperative |3.1.3c| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Offside Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear suspension component seized |2.4A2a|ii|| | 1 |
| Front Brake lever is positioned so that the brake cannot be readily applied |3.1.3c| | 1 |
| Nearside Steering lock stop missing |2.1.3| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Offside Steering lock stop missing |2.1.3| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Front Brake reaction bracket insecure |3.2.A1j| | 1 |
| Centre Front Front wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Registration plate lamp issues | 1 |
| Centre Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Nearside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front An item not tested |Manual| | 1 |
| Front Indicator switch defective |1.5.4| | 1 |
| Offside Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Dipswitch does not deflect the main beam/s, making them into dipped beam/s |1.2.2b|ii|| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Steering lock stop ineffective |2.1.3| | 1 |
| Offside Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Outer Rear Upper Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |