| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 4 |
| Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Registration plate issues | 3 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 3 |
| Nearside Front Direction indicator not working |1.5.1c| | 2 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 2 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Front Headlamp main beam affected by the operation of another lamp |1.2.2c| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Nearside Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Nearside Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Brake component has restricted free movement and operation is likely to be impeded rear brake |3.2.A1h| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Headlamp light source and lamp not compatible Bulb missing (4.1.4 (c)) | 1 |
| Motorcycle structure joining/attachment plate or fastening insecure Engine cover loose (6.1.1 (b) (i)) | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking Front engine mountings - engine moving up /down & side to side, when braking / accelerating. |6.1.1c| | 1 |
| Fuel cap ineffective seal missing (6.1.3 (b) (i)) | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 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 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.B2b| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Front Steering linkage has excessive free play |2.2.2| | 1 |
| Rear Brake lever attachment screws loose |3.1.2b| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Front mudguard insecure |2.3.7| | 1 |
| Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Brake performance not tested front brake control is seized and cannot be operated. (1.2.1 (g)) | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front position lamp insecure |1.1.1c| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Steering lock stop ineffective |2.1.3| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear wheel insecure |4.2.3b| | 1 |