| Most common failures | No# failures |
|---|
| Headlamp aim beam image kick up to the offside |1.6| | 6 |
| Horn not working |1.7.3a| | 5 |
| Headlamp aim out of alignment | 5 |
| Rear reflector on motorcycle missing |1.4.1| | 5 |
| Registration plate issues | 4 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Rear Direction indicator not working |1.5.1c| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Front Headlamp aim beam image kick-up is to the offside |1.6.1| | 2 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Centre Front Upper Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Fuel cap sealing washer deteriorated |7.2.2c| | 1 |
| Inner Front Lower Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Inner Front Lower Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Inner Front Upper Front position lamp does not face the front |1.1.1d| | 1 |
| Offside Rear Lower Direction indicator not working |1.5.1c| | 1 |
| Inner Rear Upper Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Front Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Rear Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Offside Rear Drive chain excessively tight |6.2.1d| | 1 |
| Front Wheel spoke excessively loose |4.2.1b| | 1 |
| Nearside Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Offside Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Headlamp aim beam image kick-up is to the offside |1.6.1| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Registration plate lamp issues | 1 |
| Front Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Fuel cap sealing washer missing |7.2.2c| | 1 |
| Nearside Rear Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Rear Brake disc|s| securing bolt|s| missing |3.2.A1g| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Brake disc|s| excessively pitted Rear disc corroded to excess |3.2.A1l| | 1 |
| Roller brake test indicates a binding brake Front brake binding |3.3.A1a| | 1 |
| Brake pipe excessively damaged Front brake line split and signs of brake fluid |3.2.B2a| | 1 |
| Brake component leaking fluid Front brake caliper has brake fluid around it |3.2.B4| | 1 |
| Drive chain excessively loose Chain has excess play |6.2.1d| | 1 |
| Drive chain sprocket carrier worn to excess Excess play in rear cush drive |6.2.1e| | 1 |
| Drive chain worn to excess Chain worn to excess |6.2.1e| | 1 |
| Brake pedal is inoperative Rear brake pedal excess travel |3.1.3c| | 1 |
| Rear Brake caliper|s| securing bolt|s| loose |3.2.A1j| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a)) | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Front Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Rear Brake disc|s| has excessive run out |3.2.A1m| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Front wheel spindle securing nut locking device insecure |2.3.5a| | 1 |
| Rear wheel spindle securing nut locking device insecure |2.4.A.2b| | 1 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Direction indicators not working x4 |1.5.1c| | 1 |
| Wheel alignment incorrect which adversely affects the handling (2.4 (a)) | 1 |