| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 12 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 7 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Horn not working |1.7.3a| | 4 |
| Headlamp insecure |1.2.3b| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 2 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Front Direction indicator deteriorated and function impaired |1.5.3a| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 2 |
| Horn control defective |1.7.2a| | 1 |
| Lower Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Lower Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Headlamp deteriorated and function impaired low output |1.2.3a| | 1 |
| Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Rear Motorcycle structure cracked |6.1.1a| | 1 |
| Centre Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Horn is not continous or uniform |1.7.3c| | 1 |
| Nearside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Rear Brake lever pivots excessively worn |3.1.3a| | 1 |
| Registration plate issues | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Brake performance not tested |3.3| | 1 |
| Front Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear Exhaust mounting missing |7.1.1c| | 1 |
| Brake hose damaged | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Rear Brake pedal is inoperative |3.1.3c| | 1 |
| Nearside Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Fairings so located that it is likely to impede the steering |2.1.2e| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| An item not tested |Manual| | 1 |
| Rear Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Brake lever attachment screws loose |3.1.2b| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| All position lamps adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Nearside Indicator switch insecure |1.5.4| | 1 |
| Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Rear Direction indicator deteriorated and function impaired |1.5.3a| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Centre Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |