| Most common failures | No# failures |
|---|
| Offside Rear Direction indicator not working |1.5.1c| | 4 |
| Headlamp aim out of alignment | 4 |
| Registration plate issues | 4 |
| An item not tested |Manual| | 3 |
| Nearside Rear Direction indicators not working |1.5.1c| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Horn not working |1.7.3a| | 2 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Riders seat insecure |6.2.1a| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Headlamp aim not tested |1.6| | 2 |
| Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 2 |
| Offside Rear Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Headlamp at least one does not illuminate on dipped beam replace bulb |1.2.2a|i|| | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Headlamp dipped beam affected by the operation of another lamp |1.2.2c| | 1 |
| Upper Rear shock absorber insecurely mounted |2.4.A.3b| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Front Shock absorber has a serious fluid leak Both fork seal leaking badly. (5.3.2 (b)) | 1 |
| Fuel system component leaking Bad transmission oil leak. (6.1.3 (b) (i)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Wheel has a missing rivet/s or bolts Rear wheel fixing nuts missing and rear wheel insecure (5.2.2 (e) (i)) | 1 |
| Rear Brake cylinder operating mechanism has excessive travel Rear brake has excessive travel. (1.1.16 (e) (i)) | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Front position lamp adversely affected by the operation of the horn |1.1.3b| | 1 |
| Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Steering linkage has excessive free play |2.2.2| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Stop lamp emits other than a steady red light |1.3.1b| | 1 |
| Offside Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Centre Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Rear Direction indicators not working |1.5.1c| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Nearside Rear Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Rear Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Nearside Rear Footrest insecure |6.2.1a| | 1 |
| Centre Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Position lamp switch does not operate in accordance with the requirements (4.2.2 (a)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Horn sounds harsh or grating |1.7.3c| | 1 |
| Dipswitch does not deflect the main beam/s, making them into dipped beam/s |1.2.2b|ii|| | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Stop lamp insecure |1.3.3b| | 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 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Front Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |