| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 12 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Headlamp insecure |1.2.3b| | 5 |
| Steering headbearing has excessive free play |2.2.2| | 4 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Front Direction indicator not working |1.5.1c| | 2 |
| Registration plate issues | 2 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Stop lamp insecure |1.3.3b| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Front Stop lamp insecure |1.3.3b| | 1 |
| Front Fairings so located that it is likely to impede the steering |2.1.2e| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Exhaust excessively deteriorated |7.1.1a| | 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 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Offside Motorcycle structure excessively distorted |6.1.1a| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear reflector on motorcycle insecure |1.4.2c| | 1 |
| 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 Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Headlamp incorrect colour |1.2.1| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Direction indicators not working |1.5.1c| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Front Horn is not continous or uniform |1.7.3c| | 1 |
| Registration plate lamp issues | 1 |
| Rear Brake lever has insufficient reserve travel Rear break lever |1.1.2 |a|| | 1 |
| Offside Rear Direction indicator insecure |1.5.3b| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Offside Brake lever insecure |3.1.2a| | 1 |
| Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |