| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 5 |
| Headlamp aim out of alignment | 3 |
| Direction indicator not working |1.5.1c| | 2 |
| Horn not working |1.7.3a| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear Direction indicator missing |1.5.1a| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Front position lamp insecure |1.1.1c| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 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 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Nearside Front Indicator switch insecure |1.5.4| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear Rear suspension bearing has excessive free play |2.4.A2a|i|| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Front Brake pipe excessively chafed |3.2.B2a| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Offside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Horn not working |1.7.3a| | 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 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Front Direction indicator missing |1.5.1a| | 1 |
| Rear Brake linkage has abnormal movement due to maladjustment |3.2.A1i| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |