| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5 |
| Horn not working |1.7.3a| | 5 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 2 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Chain guard fouling another component |6.2.1c| | 1 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Front Brake caliper|s| securing bolt|s| missing |3.2.A1j| | 1 |
| Dipswitch does not deflect the main beam/s, making them into dipped beam/s |1.2.2b|ii|| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| All position lamps adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Brake hose excessively deteriorated | 1 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear wheel has a missing wheel nut|s| |4.2.3a| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 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 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Offside Front Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Front Fuel cap sealing washer deteriorated |7.2.2c| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Brake pedal attachment screws loose |3.1.2b| | 1 |
| Rear suspension component loose |2.4.A.1a| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Rear Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Rear reflector on motorcycle missing replaced |1.4.1| | 1 |