| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 12 |
| Registration plate issues | 11 |
| Headlamp aim out of alignment | 8 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 5 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| 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| | 4 |
| Rear Position lamp not working (4.2.1 (a)) | 3 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear Wheel spoke excessively loose |4.2.1b| | 2 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Fuel system component leaking petrol tap |7.2.1a| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Brake hose connection leaking loose (1.1.12 (c)) | 1 |
| Rear Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Offside Indicator tell tale not functioning |1.5.2| | 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 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear Fuel system component insecure |7.2.1b| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 1 |
| Front Wheel spoke excessively loose |4.2.1b| | 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 |
| Nearside Direction indicators not working both |1.5.1c| | 1 |
| Offside Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Front position lamp damaged and function impaired |1.1.1b| | 1 |
| Registration plate lamp issues | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Wheel damaged significantly reducing the original strength |4.2.1a| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |