| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 4 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Direction indicators affected by the operation of another lamp |1.5.1c| | 2 |
| Steering control handlebar movement restricted by trapped cables |2.1.2c| | 1 |
| Front suspension assembly excessive wear or free play in a front suspension component |2.3.4| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Brake linkage has abnormal movement due to maladjustment |3.2.A1i| | 1 |
| Rear Brake linkage has abnormal movement due to excessive wear |3.2.A1i| | 1 |
| Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Rear Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Front Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Rear Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Offside Direction indicator not working |1.5.1c| | 1 |
| Registration plate issues | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front suspension has excessive stiffness in the suspension movement. |2.3.6b| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Motorcycle structure excessively distorted |6.1.1a| | 1 |
| Offside Direction indicators not working |1.5.1c| | 1 |
| Nearside Front Upper Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Front Upper Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Nearside Rear Upper Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Rear Upper Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Horn not loud enough to be heard by another road user |1.7.3a| | 1 |