| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5 |
| Hazard warning switch missing |1.4.B.1d| | 2 |
| Parking brake: efficiency below requirements |3.7.B.7| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Registration plate issues | 2 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Offside Outer Stop lamp missing |1.2.1a| | 1 |
| Nearside Outer Rear reflector missing |1.5.1a| | 1 |
| Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Offside Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 1 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Offside Outer Rear reflector missing |1.5.1a| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Offside Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Nearside Rear Braking system leaking |3.6.A.1| | 1 |
| Nearside Front position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Nearside Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Nearside Inner Rear Direction indicators not working |1.4.A.2c| | 1 |
| Registration plate lamp issues | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Brake component leaking fluid |3.2.B4| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Parking brake lever is fouling adjacent parts of the vehicle |3.1.6b| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Offside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| All direction indicators missing no indicators (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Offside Rear fog lamp missing |1.3.2a| | 1 |
| Rear fog lamp tell tale not working |1.3.1b| | 1 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 1 |
| Front brake disc contaminated by brake fluid |3.5.1h| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Offside Direction indicator flashing more than 120 times a minute |1.4.A.2g| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Nearside Outer Stop lamp missing |1.2.1a| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |