| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| Registration plate issues | 3 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Offside Rear Direction indicators not working |1.5.1c| | 2 |
| Rear Wheel spindle loose (5.2.1 (c) (i)) | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Offside Front Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |1.6.B.1| | 1 |
| Steering lock stop ineffective |2.1.3| | 1 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Headlamp aim projected beam image obviously incorrect Looks Like A Non UK Headlamp (4.1.2 (c)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp aim out of alignment | 1 |
| Front Headlamp deteriorated and function impaired |1.2.3a| | 1 |