| Most common failures | No# failures |
|---|
| Horn not working |1.7.3a| | 7 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 5 |
| Registration plate lamp issues | 4 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Drive chain excessively loose |6.2.1d| | 4 |
| Headlamp aim out of alignment | 3 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Drive chain excessively tight |6.2.1d| | 2 |
| Front Floor brake test indicates a sticking brake |3.3.C2c| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Brake excessively binding (1.2.1 (f)) | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Roller brake test indicates a severely juddering brake |3.3.A1b| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies lever |1.3.1a| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Registration plate issues | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Nearside Front Upper Clutch lever positioned so it cannot be readily operated lever was loose |6.2.7 |b|| | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Fuel system component leaking fuel leaking out on over flow pipe. (6.1.3 (b) (i)) | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Central Rear Lower Rear position lamp does not illuminate immediately when it is switched on number plate light |1.1.3a| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Central Front Brake excessively binding (1.2.1 (f)) | 1 |
| Central Rear Suspension arm attachment bracket/mounting damaged and seriously weakened suspension lower link arm cracked (5.3.3 (b) (i)) | 1 |
| Rear Brake pedal is bent and the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Drive chain excessively loose |6.1.7 |c| |i|| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Rear Brake lever has restricted free movement (1.1.15 (e)) | 1 |
| Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Rear All position lamps do not illuminate immediately when switched on |1.1.3a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Brake pedal is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Central Front Horn not working (7.7 (a) (ii)) | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |