| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 11 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Registration plate issues | 5 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Drive chain excessively loose |6.2.1d| | 4 |
| Front wheel bearings have excessive free play |2.3.5b| | 4 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Drive chain worn to excess |6.2.1e| | 3 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 3 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 3 |
| Front Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 2 |
| Front Steering headbearing has excessive free play |2.2.2| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Direction indicator insecure |1.5.3b| | 1 |
| Front Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Centre Rear Lower Rear wheel insecure |4.2.3b| | 1 |
| Rear Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Brake disc|s| is excessively distorted |3.2.A1m| | 1 |
| Stop lamp does not illuminate immediately a brake applies front and rear brake application |1.3.1a| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Rear Rear mono-shock pivot excessively worn |2.4.B.4| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Offside Front Upper Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Registration plate lamp issues | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Rear Drive chain excessively tight |6.2.1d| | 1 |
| Motorcycle structure insecure and likely to affect the correct functioning of the steering or braking |6.1.1c| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Position lamp not working (4.2.1 (a)) | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Offside Handlebar restricted in free movement from lock to lock front brake lever catches fairing when turning left |2.1.4 |c|| | 1 |
| Rear Suspension rod attachment bracket/mounting fractured upper bolt broken |5.3.3 |b| |ii|| | 1 |
| Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Headlamp light source and lamp not compatible HID conversion is no longer permitted. |4.1.4 |c|| | 1 |
| Rear Rear position lamp insecure |1.1.1c| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Front Headlamp aim beam image too far to the left |1.6.4| | 1 |
| Indicator switch insecure |1.5.4| | 1 |
| Stop lamp not working from front switch (4.3.1 (a) (ii)) | 1 |
| Offside Front shock absorber seal failed and leaking oil (2.3.3) | 1 |
| Front Stop lamp remains on when the brake is released (1.3.1e) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp not working 0sf lever brake light not working (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |