| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 13 |
| Rear reflector on motorcycle missing |1.4.1| | 7 |
| Drive chain excessively loose |6.2.1d| | 4 |
| Registration plate lamp issues | 3 |
| Horn not working |1.7.3a| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Nearside Handlebar deformed bent forwards |2.1.1b| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Fuel tank leaking |7.2.1a| | 1 |
| Front Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Rear Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Front Wheel damaged or distorted to the extent that control of the motorcycle is likely to be adversely affected |5.2.2 |c| |ii|| | 1 |
| Rear Wheel excessively distorted |5.2.2 |c| |i|| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Front Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Brake lever excessively damaged |3.2.A1c| | 1 |
| Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Nearside 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 |
| Central Front Lower Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Central Rear Rear position lamp does not illuminate immediately when it is switched on REAR REG PLATE LIGHT NOT WORKING |PRS| |1.1.3a| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Nearside Front Brake disc|s| securing bolt|s| loose 1 of 5 |3.2.A1g| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Central Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Central Rear Upper Rear reflector on motorcycle missing Replaced |1.4.1| | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Front Wheel alignment incorrect which adversely affects the steering (2.4 (a)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Stop lamp not working front control (4.3.1 (a) (ii)) | 1 |
| Front Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Drive chain sprocket excessively loose (6.1.7 (c) (i)) | 1 |