| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 3 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 2 |
| Nearside Front Direction indicators not working |1.5.1c| | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b| | 1 |
| Brake lever has inadequate reserve travel |3.1.3b| | 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 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Handlebar deformed |2.1.1b| | 1 |
| Rear position lamp incorrect colour |1.1.2b| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Front Horn not working |1.7.3a| | 1 |
| Rear Wheel damaged significantly reducing the original strength |4.2.1a| | 1 |
| Front Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Nearside Front position lamp damaged and function impaired |1.1.1b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Nearside Rear Direction indicator damaged and function impaired |1.5.3a| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Headlamp aim headlamp damaged and function impaired |1.2.3a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Rear Brake linkage has abnormal movement due to maladjustment |3.2.A1i| | 1 |
| Horn sounds harsh or grating |1.7.3c| | 1 |
| Front Brake master cylinder fluid level dangerously low |3.2.B1d| | 1 |
| Rear wheel spindle securing nut|s| loose |2.4.A.2b| | 1 |
| Offside Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Rear reflector on motorcycle obscured |1.4.1| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |