| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 10 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Headlamp damaged and function impaired |1.2.3a| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Seat insecure |6.2.1a| | 1 |
| Stop lamp not working when front brake appplied (4.3.1 (a) (ii)) | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Rear Direction indicators not working Broken off |1.5.1c| | 1 |
| Offside Rear Direction indicators not working broken off |1.5.1c| | 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 |
| Offside Front Direction indicator deteriorated and function impaired |1.5.3a| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front Brake indicates excessive fluctuation of brake effort |1.2.1 |e|| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Stop lamp deteriorated and function impaired |1.3.3a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Offside Rear Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Nearside Rear Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear wheel spindle securing nut locking device insecure |2.4.A.2b| | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Front Wheel bearing rough when rotated + excessive play (5.1.3 (b) (i)) | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Position lamp missing (4.2.1 (a)) | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |