| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 9 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Registration plate issues | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Horn not working |1.7.3a| | 1 |
| Service brake efficiency less than 50% of the required value |1.2.2 |a| |ii|| | 1 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 1 |
| Stop lamp not working controle 1 |1.2.1b| | 1 |
| Stop lamp not working controle 2 |1.2.1b| | 1 |
| Nearside Rear Wheel stud hole elongated |4.2.A.1d| | 1 |
| Offside Rear Wheel stud hole elongated |4.2.A.1d| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Position lamp switch faulty |1.1.A.1| | 1 |
| Offside Rear Front position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Nearside Rear reflector missing |1.5.1a| | 1 |
| Offside Rear reflector missing |1.5.1a| | 1 |
| Brake pedal does not operate a brake fitted to each wheel |3.3.A.3| | 1 |
| Brake performance not tested |3.7.A.1| | 1 |
| Service brake: efficiency below requirements |3.7.C.1a| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Rear Brake locking device missing brake pedal linkage |3.2.A1e| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Front Exhaust excessively deteriorated |7.1.1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies front brake |1.3.1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies front |1.3.1a| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Rear Brake pipe excessively chafed |3.2.B2a| | 1 |
| Rear Brake component leaking fluid |3.2.B4| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Front Headlamp incorrect colour (4.1.4 (a)) | 1 |
| Rear Brake caliper insecure (1.1.16 (c) (i)) | 1 |