| Most common failures | No# failures |
|---|
| Registration plate issues | 17 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Rear reflector on motorcycle missing |1.4.1| | 5 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Headlamp light source and lamp not compatible H.I.D bulbs fitted., (4.1.4 (c)) | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Front Position lamp missing |4.2.1 |a|| | 1 |
| Centre Rear Upper Rear reflector on motorcycle missing |1.4.1| | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Offside Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Headlamp aim out of alignment | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Dipswitch does not operate immediately when selected on main beam HI/LOW SWITCH WAS BROKEN (4.1.3 (b)) | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Registration plate lamp issues | 1 |
| Nearside Rear Direction indicator obviously incorrectly positioned |4.4.3 |a|| | 1 |
| Offside Rear Direction indicator obviously incorrectly positioned |4.4.3 |a|| | 1 |
| 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 Direction indicators not working |1.5.1c| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Horn not working |1.7.3a| | 1 |
| Central Rear Upper Position lamp adversely affected by the operation of another lamp Vehicle has an Integral Rear Light/Indicator unit fitted which turns off 50% of the rear position light/brake light when the indicators are operated. (4.2.3 (b)) | 1 |
| Central Rear Upper Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |