| Most common failures | No# failures |
|---|
| Steering headbearing has excessive free play |2.2.2| | 18 |
| Headlamp aim out of alignment | 13 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 8 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 8 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 7 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 5 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 4 |
| Direction indicators not working |1.5.1c| | 3 |
| Registration plate issues | 3 |
| Horn not working |1.7.3a| | 3 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| All position lamps do not illuminate immediately when switched on |1.1.3a| | 2 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 2 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 2 |
| Rear Brake lever is damaged and the brake cannot be readily applied |3.1.3c| | 2 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 2 |
| Rear Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 2 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 2 |
| Front Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Handlebar mounting clamp loose |2.1.1a| | 2 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Fairings insecure and likely to impede the steering |2.1.2e| | 1 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Handlebar mounting clamp loose |2.1.1a| | 1 |
| Offside Position lamp switch insecure |1.1.4b| | 1 |
| Rear Brake lever mounting cracked |3.1.2c| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Exhaust mounting missing |7.1.1c| | 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 |
| Position lamp switch insecure |1.1.4b| | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Front Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Front Headlamp main beam flickers when tapped lightly by hand |1.2.2c| | 1 |
| Nearside Rear Direction indicator missing |1.5.1a| | 1 |
| Front Brake lever is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Rear Brake component is fractured |3.1.5| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Brake lever is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Brake master cylinder has a seized master cylinder pivot. |3.2.B5| | 1 |
| Offside Front Direction indicator insecure |1.5.3b| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Centre Front Lower Handlebar mounting clamp loose |2.1.1a| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Inner Front Lower Front wheel insecure |4.2.3b| | 1 |
| Outer Front Lower Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Inner Front Upper Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Inner Rear Lower Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Inner Front Lower Steering headbearing has excessive free play |2.2.2| | 1 |
| Inner Front Lower Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Rear Rear position lamp damaged and function impaired |1.1.1b| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Brake linkage has abnormal movement due to maladjustment |3.2.A1i| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Rear Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Brake lever mounting insecure |3.1.2a| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |