| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 11 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 10 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 5 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 5 |
| Horn not working |1.7.3a| | 5 |
| Riders seat insecure |6.2.1a| | 5 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 4 |
| Front Steering headbearing has excessive free play |2.2.2| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Registration plate issues | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Rear reflector on motorcycle obscured |1.4.1| | 3 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Front Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 2 |
| Rear Rear reflector on motorcycle obscured |1.4.2b| | 2 |
| Offside Front Direction indicator not working |1.5.1c| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear position lamp missing |1.1.1a| | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Rear Brake disc|s| excessively scored |3.2.A1l| | 2 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Brake master cylinder insecurely mounted |3.2.B1a| | 1 |
| Front Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Headlamp aim headlamp deteriorated and function impaired |1.2.3a| | 1 |
| Rear Riders seat insecure |6.2.1a| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Stop lamp deteriorated and function impaired |1.3.3a| | 1 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Direction indicators not working All
|1.5.1c| | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Headlamp main beam flickers when tapped lightly by hand |1.2.2c| | 1 |
| Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Lower Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Handlebar mounting clamp loose |2.1.1a| | 1 |
| Rear Exhaust mounting missing |7.1.1c| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Hydraulic brake control feels spongy |3.1.4a| | 1 |
| An item not tested |Manual| | 1 |
| Rear Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Offside Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Brake lever pivots excessively worn |3.1.3a| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Horn not working SWITCH FAULTY |1.7.3a| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Brake lever pivots excessively worn |3.1.3a| | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Direction indicator not working |1.5.1c| | 1 |
| Indicator switch defective |1.5.4| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Front mudguard insecure |2.3.7| | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator lens defective such that the emitted light is adversely affected missing lens (4.4.1 (b) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Stop lamp not working front and rear (4.3.1 (a) (ii)) | 1 |
| Registration plate lamp issues | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Offside Rear Lower Exhaust mounting does not fully support the exhaust system |7.1.1.c| | 1 |
| Front Upper Steering headbearing has excessive free play |2.2.2| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Brake lever insecure |3.1.2a| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Front Upper Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Offside Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Nearside Front Direction indicator insecure |1.5.3b| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Steering lock stop ineffective |2.1.3| | 1 |
| Nearside Direction indicator insecure |1.5.3b| | 1 |
| Offside Direction indicator insecure |1.5.3b| | 1 |
| Offside Direction indicator not working |1.5.1c| | 1 |
| Rear Roller brake test indicates a severely grabbing brake |3.3.A1b| | 1 |
| Brake pipe excessively corroded | 1 |