| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8 |
| Rear reflector on motorcycle missing |1.4.1| | 7 |
| Drive chain excessively loose |6.2.1d| | 5 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Horn not working |1.7.3a| | 3 |
| Registration plate lamp issues | 3 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Registration plate issues | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Offside Rear Direction indicator not working |1.5.1c| | 2 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Horn control defective |1.7.2a| | 2 |
| 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| | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Rear Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Front Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Front Wheel spoke excessively loose all spokes loose |4.2.1b| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride drive chain link lock plate incorrectly fitted |6.2.1h| | 1 |
| Front Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Wheel spoke excessively loose |5.2.2 |d|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear position lamp adversely affected by the operation of another lamp pulsing and trying to flash as an indicator |1.1.3b| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Brake component has restricted free movement and operation is likely to be impeded front brake lever has no freeplay once released, feel bound |3.2.A1h| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Plate brake test indicates a binding brake |3.3.B1a| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride drive chain spring link |6.2.1h| | 1 |
| Direction indicator missing all |1.5.1a| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Rear Direction indicator obscured |1.5.1a| | 1 |
| Horn missing |1.7.1| | 1 |
| Offside Front Brake lever mounting insecure |3.1.2a| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear All direction indicators missing |4.4.1 |a| |ii|| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.4 |a|| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Offside Rear Rear suspension fouling which affects the movement of the rear suspension |2.4.A.3a| | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Central Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Clutch lever bent so it cannot be readily operated CLUTCH LEVER BADLY BENT (6.2.7 (b)) | 1 |
| Drive chain excessively loose LOOSE & WORN (6.1.7 (c) (i)) | 1 |
| Stop lamp not working NOT WORKING WHEN FRONT BRAKE IS APPLIED (4.3.1 (a) (ii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Horn not working (7.7 (a) (ii)) | 1 |
| Rear Wheel more than one fixing missing rear sprocket locking devices missing (5.2.1 (a) (ii)) | 1 |
| Front Wheel more than one fixing loose front spindle locking devices loose (5.2.1 (a) (ii)) | 1 |
| Clutch lever positioned so it cannot be readily operated badly worn on pivot (6.2.7 (b)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |