| Most common failures | No# failures |
|---|
| Registration plate issues | 14 |
| Headlamp aim out of alignment | 13 |
| 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 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 4 |
| 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| | 2 |
| Rear Direction indicator incorrect colour |1.5.1b| | 2 |
| Handlebar mounting excessively deteriorated |flexible type| |2.1.1d| | 2 |
| Nearside 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 |
| Offside 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 |
| Nearside Horn replaced by a siren |1.7.3b| | 1 |
| Rear Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Offside Rear Lower 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 Brake component worn and seriously reduced in strength |3.2.A1| | 1 |
| Offside Rear Lower Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 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 emit a steady light |1.3.1b| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Front position lamp incorrect colour |1.1.2a| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Brake cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Wheel spoke cracked (5.2.2 (d)) | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Rear wheel spindle loose |2.4.A.2b| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |