| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 3 |
| Fuel system component leaking |7.2.1a| | 2 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 2 |
| Front Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Rear Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Nearside Rear Brake back plate|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Registration plate issues | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Brake locking device insecure |3.2.A1e| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Brake lever attachment screws missing |3.1.2b| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Offside Footrest missing |6.2.1a| | 1 |
| Direction indicators not working both front |1.5.1c| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Brake locking device missing |3.2.A1e| | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Brake rod insecure (1.1.15 (c)) | 1 |
| All direction indicators obviously incorrectly positioned All lamps (4.4.3 (a)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Nearside Front Steering control handlebar movement restricted by cables caught on a projection |2.1.2c| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Brake hose fouling |3.2.B3b| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |