| Most common failures | No# failures |
|---|
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 10 |
| Headlamp aim out of alignment | 10 |
| Steering headbearing has excessive free play |2.2.2| | 7 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 5 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 4 |
| Horn not working |1.7.3a| | 4 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 4 |
| Throttle operating incorrectly |6.2.1f| | 4 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 4 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 3 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 3 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Brake lever pivots excessively worn |3.1.3a| | 2 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Rear suspension bush excessively deteriorated |2.4.A2a|i|| | 2 |
| Indicator switch insecure |1.5.4| | 2 |
| Nearside Brake lever insecure |3.1.2a| | 2 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 2 |
| Rear suspension component loose |2.4.A.1a| | 2 |
| Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Rear Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 2 |
| Nearside Front Direction indicators not working |1.5.1c| | 2 |
| Nearside Rear Direction indicators not working |1.5.1c| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Headlamp switch insecure |1.2.4| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 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 |
| Headlamp switch faulty |1.2.4| | 1 |
| Headlamp insecure |1.2.3b| | 1 |
| Rear Brake locking device insecure |3.2.A1e| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Nearside Front Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Offside Front Lower Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Lower Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Nearside Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25% |1.2.2 |a| |i|| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Nearside Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Horn sounds harsh or grating |1.7.3c| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Nearside Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Offside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Registration plate issues | 1 |
| Nearside Rear Rear suspension fouling which affects the movement of the rear suspension |2.4.A.3a| | 1 |
| Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Fuel system component leaking |7.2.1a| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Nearside Front Lower Brake reaction bracket insecure |3.2.A1j| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Brake lever mounting insecure |3.1.2a| | 1 |
| Brake lever is damaged and the brake cannot be readily applied |3.1.3c| | 1 |
| Front An item not tested |Manual| | 1 |
| Front position lamp insecure |1.1.1c| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Registration plate lamp issues | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Headlamp light intensity severely reduced all front lamps flashing when indicators opperated |4.1.4 |a|| | 1 |
| Front Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Brake disc|s| cracked |3.2.A1g| | 1 |