| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8 |
| Rear reflector on motorcycle missing |1.4.1| | 7 |
| Registration plate issues | 5 |
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Registration plate lamp issues | 3 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Rear reflector missing |4.8.2 |a| |ii|| | 3 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 2 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen headlamp cover removed (4.1.2 (a)) | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Horn not working (7.7 (a)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Steering operation impeded by a fairing (2.1.4 (e)) | 1 |
| Central Rear Lower Stop lamp not working Rear Brake Light Not Working (4.3.1 (a) (ii)) | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| 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 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Front Shock absorber has a serious fluid leak front rh fork leaking excessive oil (5.3.2 (b)) | 1 |
| Offside Rear Brake fluid not visible (1.1.10 (d) (iii)) | 1 |
| Offside Rear Brake cylinder leaking (1.1.16 (b) (i)) | 1 |
| Stop lamp emits other than a steady red light Rear Lamp - Flashes (4.3.3 (a) (ii)) | 1 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride Sprocket nuts missing and loose on cush mounts. |6.2.1h| | 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 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| An item not tested |Manual| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |