| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Headlamp aim out of alignment | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Offside Brake pedal anti-slip provision worn smooth (1.1.2 (c)) | 1 |
| All direction indicators incorrect colour (4.4.3 (a)) | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Rear Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 1 |
| Rear Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls Front brake switch (4.3.2 (a) (iii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 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 |
| Exhaust has part of the system missing |7.1.1a| | 1 |
| Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Registration plate issues | 1 |
| Registration plate lamp issues | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |