| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 35 |
| Registration plate issues | 19 |
| Headlamp aim beam image kick up to the offside |1.6| | 13 |
| Headlamp aim out of alignment | 9 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 7 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 6 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Offside Front Direction indicators not working |1.5.1c| | 3 |
| Registration plate lamp issues | 3 |
| Offside Rear Direction indicators not working |1.5.1c| | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Nearside Rear Footrest missing |6.2.1a| | 2 |
| Offside Rear Footrest missing |6.2.1a| | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Nearside Front Direction indicators not working |1.5.1c| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 2 |
| Headlamp aim not tested (4.1.2 (b)) | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Nearside Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Rear Brake effort inadequate at a wheel |1.2.1 |a| |i|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Rear Footrest missing |6.2.1a| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Nearside Front Upper Direction indicators not working |1.5.1c| | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Offside Direction indicators not working |1.5.1c| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Front Rear reflector on motorcycle missing |1.4.1| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen beam kick up incorrect |4.1.2 |a|| | 1 |
| Offside Outer Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Rear Brake master cylinder leaking |1.1.10 |b| |ii|| | 1 |
| Nearside Front Upper Direction indicator not working |1.5.1c| | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Stop lamp does not illuminate immediately a brake applies front brake stop light |1.3.1a| | 1 |
| An item not tested |Manual| | 1 |
| Offside Rear Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Offside Rear Brake lever excessively damaged |3.2.A1c| | 1 |
| Offside Rear Footrest insecure (6.2.12 (a)) | 1 |