| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 9 |
| Drive chain excessively tight |6.2.1d| | 3 |
| Registration plate issues | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Offside Rear Footrest missing |6.2.1a| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Rear Brake locking device missing |3.2.A1e| | 2 |
| Rear Footrest missing |6.2.1a| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Dipswitch does not deflect the main beam/s, making them into dipped beam/s |1.2.2b|ii|| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.5a| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Clutch lever positioned so it cannot be readily operated. |6.2.1g| | 1 |
| Brake pedal pivots excessively worn |3.1.3a| | 1 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Steering lock stop missing |2.1.3| | 1 |
| Offside Steering lock stop missing |2.1.3| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Rear Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Chain guard insecure |6.2.1c| | 1 |
| Footrest missing |6.2.1a| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Nearside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Front Stop lamp missing |1.3.3a| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Nearside Front suspension assembly has an insecure fork brace |2.3.4d| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Central Front Lower Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Centre Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Centre Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |