| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 4 |
| Registration plate issues | 3 |
| Drive chain worn to excess |6.2.1e| | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear suspension fouling which affects the movement of the rear suspension |2.4.A.3a| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Horn not working |1.7.3a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Centre Rear Lower Rear position lamp does not illuminate immediately when it is switched on Rear Light N/W |1.1.3a| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 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 |
| Brake indicates excessive fluctuation of brake effort front brake pulse (1.2.1 (e)) | 1 |
| Shock absorber has a serious fluid leak major leak from both fork seals (5.3.2 (b)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure split pin missing from the rear brake arm (6.1.1 (b) (i)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Brake disc contaminated front brake disc covered in a fluid (1.1.14 (b)) | 1 |
| Brake excessively binding front brake does not completely release (1.2.1 (f)) | 1 |