| Most common failures | No# failures |
|---|
| rear brake recording little or no effort |3.7.B.5a| | 2 |
| Rear parking brake recording little or no effort | 2 |
| Headlamp aim out of alignment | 2 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Fuel pipe leaking |7.2.1a| | 1 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Rear Stop lamp|s| all not working |4.3.1 |a| |iii|| | 1 |
| Brakes imbalanced across an axle | 1 |
| Brake hose has insufficient room to move | 1 |
| Rear brake binding | 1 |
| Stop lamp not working footbrake |1.2.1b| | 1 |
| Hydraulic brake cylinder insecurely mounted nearside front brake caliper, bolt loose |3.6.A.2a| | 1 |
| Front front brake binding |3.7.B.1| | 1 |
| Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Headlamp excessively deteriorated so that the light output is severely reduced no dip beam image |1.7.5a| | 1 |
| Offside Front brake disc contaminated by oil |3.5.1h| | 1 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 1 |
| Rear Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.B.7| | 1 |
| Offside Front shock absorber leaking oil |9.2.7b| | 1 |
| Offside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Rear brake application uneven | 1 |
| Offside Rear Brake hose leaking |3.6.A.1| | 1 |