| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 6 |
| Rear reflector on motorcycle missing |1.4.1| | 5 |
| Registration plate issues | 5 |
| Horn not working |1.7.3a| | 4 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 4 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 4 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Rear Rear suspension bearing has excessive free play |2.4.A2a|i|| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Rear Drive chain worn to excess |6.2.1e| | 2 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 2 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 2 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 2 |
| Centre Front Lower Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Centre Front Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Throttle operating incorrectly throttle not returning |6.2.1f| | 1 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Centre Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Direction indicator missing |1.5.1a| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Brake pedal attachment screws loose |3.1.2b| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Rear mono-shock pivot seized |2.4.B.4| | 1 |
| Rear mono-shock insecure |2.4.B.4| | 1 |
| Brake component defective due to a deliberate modification which significantly reduces the original strength |3.1.5| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Upper Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Floor brake test indicates a sticking brake |3.3.C2c| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Rear Rear reflector on motorcycle insecure |1.4.2c| | 1 |
| Rear Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Outer Front Upper Direction indicators not working |1.5.1c| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front wheel spindle securing nut|s| loose |2.3.5a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Offside Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Stop lamp missing |1.3.3a| | 1 |
| Front Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Rear Built up wheel has a loose rivet/s |4.2.1c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Front Stop lamp deteriorated and function impaired |1.3.3a| | 1 |
| Nearside Indicator switch insecure |1.5.4| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |