| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 7 |
| Registration plate issues | 5 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 2 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Exhaust system insecure securing bolt missing |6.1.2 |a|| | 1 |
| Offside Rear Upper Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Offside Rear Upper Brake component is fractured |3.1.5| | 1 |
| Centre Front Upper Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Centre Rear Upper Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Direction indicator insecure |1.5.3b| | 1 |
| Rear Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Horn missing |1.7.1| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Stop lamp showing white light to the rear (4.3.3 (a) (ii)) | 1 |
| Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| All position lamps not working |4.2.1 |a|| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Direction indicator deteriorated and function impaired |1.5.3a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Wheel modified significantly reducing the original strength |4.2.1a| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Brake performance not tested |3.3| | 1 |
| Floor brake test No brake control achieves an efficiency of 30%. |3.3.C1a| | 1 |
| Floor brake test Neither brake control achieves an efficiency of 25% |3.3.C1b| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Rear Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear Brake disc fractured |1.1.14 |a| |ii|| | 1 |