| Most common failures | No# failures |
|---|
| Registration plate issues | 123 |
| Headlamp aim out of alignment | 108 |
| Rear reflector missing (4.8.2 (a) (ii)) | 62 |
| Stop lamp remains on when the brakes are released | 37 |
| Registration plate lamp issues | 35 |
| Rear reflector on motorcycle missing |1.4.1| | 33 |
| 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)) | 25 |
| Rear reflector missing |4.8.2 |a| |ii|| | 21 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 17 |
| Handlebar mounting insecure (2.2.1 (a) (i)) | 6 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 5 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 5 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 5 |
| Riders seat insecure (6.2.5 (a) (ii)) | 5 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 5 |
| 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|| | 4 |
| Stop lamp not working (4.3.1 (a) (ii)) | 4 |
| Offside Front Direction indicators not working |1.5.1c| | 3 |
| Nearside Indicator tell tale not functioning |1.5.2| | 3 |
| Horn not working |1.7.3a| | 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 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 3 |
| Handlebar so insecure it is likely to become detached (2.2.1 (b) (ii)) | 3 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 3 |
| Handlebar retaining device loose (2.2.1 (b) (i)) | 3 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Handlebar so insecure it is likely to become detached |2.2.1 |b| |ii|| | 2 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Central Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Nearside Front Footrest insecure (6.2.12 (a)) | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Exhaust system insecure (6.1.2 (a)) | 2 |
| Horn not working (7.7 (a)) | 2 |