| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 4 |
| Brake hose excessively deteriorated | 3 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 3 |
| Registration plate issues | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Offside Front Upper Direction indicator not working |1.5.1c| | 1 |
| Offside Rear Direction indicator insecure |1.5.3b| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Rear Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Rear Drive chain excessively tight |6.2.1d| | 1 |
| Nearside Rear Drive chain worn to excess |6.2.1e| | 1 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Stop lamp deteriorated and function impaired |1.3.3a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Offside Front Brake disc contaminated |1.1.14 |b|| | 1 |
| Offside Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Handlebar mounting clamp loose |2.1.1a| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Headlamp dipped beam flickers when tapped lightly by hand |1.2.2c| | 1 |
| Front Brake hose stretched by steering movement |3.2.B3b| | 1 |
| Offside Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Rear Brake master cylinder leaking hydraulic fluid |3.2.B1e| | 1 |
| Direction indicators affected by the operation of another lamp all |1.5.1c| | 1 |
| Handlebar cracked |2.1.1b| | 1 |
| Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Brake pipe union leaking fluid |3.2.B4| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |