| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 13 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 8 |
| Registration plate issues | 7 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 6 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 5 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 4 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 4 |
| Horn not working |1.7.3a| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Offside Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 2 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 2 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Nearside Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Offside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Nearside Front Brake disc|s| cracked |3.2.A1g| | 2 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Handlebar restricted in free movement from lock to lock |2.1.4 |c|| | 1 |
| Horn is not continous or uniform |1.7.3c| | 1 |
| Horn sounds harsh or grating |1.7.3c| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake component is excessively corroded |3.1.5| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Offside Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Offside Front Brake component leaking fluid |3.2.B4| | 1 |
| Nearside Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Nearside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Rear suspension has a fracture of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Offside Front Upper Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Nearside Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front shock absorber seal failed and leaking oil Both left and right hand |2.3.3| | 1 |
| Nearside Front Horn not working |1.7.3a| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Chain guard insecure |6.2.1c| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Fuel system component leaking |6.1.3 |b| |i|| | 1 |
| Nearside Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear Lower Rear suspension bush has excessive free play shock bush |2.4.A2a|i|| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear suspension component cracked |2.4.A.1a| | 1 |
| Offside Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Nearside Front Direction indicator missing |1.5.1a| | 1 |
| Offside Front Direction indicator missing |1.5.1a| | 1 |
| Nearside Rear Direction indicator missing |1.5.1a| | 1 |
| Offside Rear Direction indicator missing |1.5.1a| | 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 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Nearside Rear Direction indicator insecure |1.5.3b| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies not working |1.3.1a| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Brake component has an inadequate repair |3.1.5| | 1 |
| Offside Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Offside Rear Brake component defective due to a deliberate modification which significantly reduces the original strength |3.1.5| | 1 |
| Rear Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. |2.4.A.2d| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Front Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear Brake cylinder severely corroded |3.2.B1b| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Stop lamp not working does not work from rear brake |4.3.1 |a| |ii|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |