| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 6 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 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 wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Wheel fractured significantly reducing the original strength |4.2.1a| | 1 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Registration plate lamp issues | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Horn not working |1.7.3a| | 1 |
| Headlamp main beam affected by the operation of another lamp dip beam interacting with main beam,,, when main beam selected |1.2.2c| | 1 |
| All position lamps not working |1.1.A.3b| | 1 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 1 |
| Registration plate issues | 1 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Front Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear wheel spindle securing nut locking device insecure |2.4.A.2b| | 1 |
| Throttle operating incorrectly not closing (6.2.7 (a) (i)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Nearside Engine mounting/bracket bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Stop lamp not working off front brake (4.3.1 (a) (ii)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort disc bent (1.2.1 (e)) | 1 |