| Most common failures | No# failures |
|---|
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 4 |
| Registration plate issues | 4 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 2 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Horn not working |1.7.3a| | 2 |
| Headlamp aim out of alignment | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Horn is not a constant note |1.7.3c| | 1 |
| Headlamp dipped beam affected by the operation of the horn |1.2.2c| | 1 |
| Headlamp main beam affected by the operation of the horn |1.2.2c| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Horn sounds harsh or grating |1.7.3c| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 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 excessively binding |1.2.1 |f|| | 1 |
| All direction indicators not working winkers do not flashing |4.4.1 |a| |ii|| | 1 |
| Rear Brake linkage has abnormal movement due to maladjustment |3.2.A1i| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Headlamp dipped beam affected by the operation of the horn |1.2.2c| | 1 |
| Front Headlamp main beam affected by the operation of the horn |1.2.2c| | 1 |
| Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Wheel fixing loose (single fixing) (5.2.1 (a) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Brake lever has insufficient reserve travel rear brake lever (1.1.2 (a)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Position lamp not working rear light (4.2.1 (a)) | 1 |
| Stop lamp not working front brake stop light (4.3.1 (a) (ii)) | 1 |
| Stop lamp not working rear brake stop light (4.3.1 (a) (ii)) | 1 |
| Wheel bearing play so excessive it is likely to break up front wheel (5.1.3 (a) (ii)) | 1 |
| Floor brake test No brake control achieves an efficiency of 30% (1.2.2 (a) (i)) | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Headlamp insecure |1.2.3b| | 1 |
| Front Front position lamp insecure |1.1.1c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear suspension fouling which affects the movement of the rear suspension |2.4.A.3a| | 1 |