| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 6 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Drive chain worn to excess |6.2.1e| | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Exhaust excessively deteriorated |7.1.1a| | 2 |
| Wheel spoke excessively loose |4.2.1b| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Registration plate issues | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Headlamp damaged and function impaired |1.2.3a| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Offside Upper Handlebar mounting excessively deteriorated |flexible type| |2.1.1d| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Wheel spoke missing |4.2.1b| | 1 |
| Rear Rear suspension component seized |2.4A2a|ii|| | 1 |
| Rear Brake drum|s| securing bolt|s| loose |3.2.A1g| | 1 |
| Nearside Front Position lamp switch faulty |1.1.4a| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Fuel system component leaking fuel filter |7.2.1a| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Rear Brake reaction bracket insecure |3.2.A1j| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Steering control handlebar movement restricted by cables caught on a projection |2.1.2c| | 1 |
| Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Front Brake lever attachment screws loose |3.1.2b| | 1 |
| Front Wheel spoke excessively loose |4.2.1b| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Lower Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Headlamp deteriorated and function impaired |1.2.3a| | 1 |