| Most common failures | No# failures |
|---|
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 3 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Headlamp aim out of alignment | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Clutch lever positioned so it cannot be readily operated. |6.2.1g| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock fouls on tank |2.1.4| | 1 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Nearside Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Wheel has an excessively eccentric bead rim. |4.2.2| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Brake locking device missing |3.2.A1e| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Fairings insecure and likely to impede the steering front wheel guard loose and fowling on wheel |2.1.2e| | 1 |
| Rear Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Registration plate issues | 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 Direction indicator incorrect colour |1.5.1b| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride DRIVE CHAIN LINK CLIP WRONG WAY ROUND |6.2.1h| | 1 |
| Lower Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Centre Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Offside Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Drive chain excessively tight, so that it is likely to fail (6.1.7 (k) (ii)) | 1 |
| Registration plate lamp issues | 1 |
| Steering linkage locking device missing torque reaction arm (2.1.3 (d)) | 1 |