| Most common failures | No# failures |
|---|
| Registration plate issues | 20 |
| Headlamp aim out of alignment | 15 |
| Rear reflector on motorcycle missing |1.4.1| | 7 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 7 |
| 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| | 5 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 5 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 4 |
| Rear reflector missing (4.8.2 (a) (ii)) | 4 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| All direction indicators missing (4.4.1 (a) (ii)) | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Steering movement excessively rough with the wheel raised |2.2.1b| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Stop lamp emits other than a steady red light flickers on and off (4.3.3 (a) (ii)) | 1 |
| Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Front Headlamp incorrect colour |1.2.1| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front Stop lamp missing |1.3.3a| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Shock absorber has a serious fluid leak nearside front fork oil seal is leaking (5.3.2 (b)) | 1 |
| Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Offside Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Registration plate lamp issues | 1 |
| Centre Rear Lower Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear position lamp flickers when tapped lightly by hand |1.1.3c| | 1 |
| Centre Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Riders seat insecure |6.2.1a| | 1 |