| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 17 |
| Registration plate issues | 16 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Headlamp aim out of alignment | 5 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 5 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 4 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Horn not working |1.7.3a| | 4 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Front wheel bearings have excessive free play |2.3.5b| | 4 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| 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| | 3 |
| Horn missing |1.7.1| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 2 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Rear Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Stop lamp missing |1.3.3a| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Horn not working (7.7 (a)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Headlamp insecure (4.1.1 (c)) | 1 |
| Offside Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front Upper Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Rear Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Rear Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Rear Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Horn not working came on when tapped (7.7 (a)) | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Centre Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Lower Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Nearside Front Upper Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Upper Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Front Upper Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Nearside Front Lower Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Nearside Rear Lower Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Brake disc|s| excessively worn Securing rivets worn and held on by C clips |3.2.A1l| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Front wheel bearings are excessively rough (2.3.5b) | 1 |
| Front wheel bearings have excessive free play (2.3.5b) | 1 |
| Offside Front shock absorber seal failed and leaking oil (2.3.3) | 1 |
| Nearside Front shock absorber seal failed and leaking oil (2.3.3) | 1 |
| Riders seat insecure (6.2.1a) | 1 |
| Rear mono-shock insecure (2.4.B.4) | 1 |
| Steering headbearing has excessive free play (2.2.2) | 1 |
| Horn not working (1.7.3a) | 1 |
| Headlamp at least one does not illuminate on dipped beam (1.2.2a(i)) | 1 |
| Headlamp at least one does not illuminate on main beam (1.2.2a(ii)) | 1 |
| Rear position lamp does not illuminate immediately when it is switched on (1.1.3a) | 1 |
| Rear suspension component loose swing arm spindle loose |2.4.A.1a| | 1 |
| Nearside Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Offside Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Wheel damaged significantly reducing the original strength |4.2.1a| | 1 |
| Rear 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 |
| Front Riders seat insecure |6.2.1a| | 1 |