| Most common failures | No# failures |
|---|
| Registration plate issues | 9 |
| Headlamp aim out of alignment | 3 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear Exhaust markings indicating not for road use or similar wording |7.1.4| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Exhaust markings indicating not for road use or similar wording |7.1.4| | 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 |
| Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Steering operation restricted in free movement from lock to lock Clutch cable is trapped by lockstop on full left turn. (2.1.4 (c)) | 1 |
| Front wheel spindle securing nut locking device insecure |2.3.3a| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Rear Brake lever has restricted free movement (1.1.15 (e)) | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Wheel spoke excessively loose |4.2.1b| | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |