| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 15 |
| Headlamp aim out of alignment | 11 |
| Registration plate issues | 11 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 6 |
| Front wheel bearings have excessive free play |2.3.5b| | 6 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Horn not working |1.7.3a| | 4 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 4 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Rear Wheel spoke excessively loose |4.2.1b| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Rear Brake pedal pivots excessively worn |3.1.3a| | 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 Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Wheel spoke excessively loose |4.2.1b| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Fuel cap sealing washer missing |7.2.2c| | 1 |
| Steering movement excessively rough with the weight on the lower bearing |2.2.1a| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Stop lamp missing |1.3.3a| | 1 |
| Front Wheel has an excessively eccentric bead rim. |4.2.2| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Rear position lamp missing |1.1.1a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Centre Rear Exhaust has part of the system missing |7.1.1a| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Front Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| An item not tested |Manual| | 1 |
| Rear Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Exhaust mounting missing |7.1.1c| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front Brake locking device missing |3.2.A1e| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Front wheel spindle securing nut|s| loose |2.3.5a| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Brake hose leaking fluid |3.2.B4| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Steering lock stop missing |2.1.3| | 1 |
| Rear Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Outer Rear Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Centre Lower Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Centre Rear Lower Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Inner Front Upper Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Horn is not a constant note |1.7.3c| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |