| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 14 |
| Registration plate issues | 8 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| 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| | 5 |
| Headlamp aim beam image kick up to the offside |1.6| | 5 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Offside Front Direction indicator not working |1.5.1c| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Brake pedal has insufficient reserve travel |1.1.2 |a|| | 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 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Nearside Front Direction indicator missing |1.5.1a| | 1 |
| Offside Front Direction indicator missing |1.5.1a| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear mono-shock pivot seized |2.4.B.4| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear Footrest insecure |6.2.1a| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Front Clutch lever positioned so it cannot be readily operated. |6.2.1g| | 1 |
| Fuel tank leaking |7.2.1a| | 1 |
| Nearside Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Centre Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Front Steering lock stop missing |2.1.3| | 1 |
| Offside Front Steering lock stop missing |2.1.3| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Rear Brake component is fractured |3.1.5| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear Brake has no recorded effort at a wheel |1.2.1 |a| |ii|| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Nearside Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Rear Lower Fuel tank leaking |6.1.3 |b| |i|| | 1 |
| Registration plate lamp issues | 1 |
| Offside Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Brake pedal insecure |3.1.2a| | 1 |
| Handlebar mounting clamp loose |2.1.1a| | 1 |
| Steering control has Insufficient clearance at full lock affecting the riders operation of the controls start button hitting tank and engaging starter on full lock |2.1.2b| | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Brake cylinder excessively corroded and likely to crack (1.1.16 (d) (ii)) | 1 |
| Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |