| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 3 |
| Steering headbearing has excessive free play |2.2.2| | 2 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Brake performance not tested |1.2.1 |g|| | 1 |
| Nearside Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Rear position lamp insecure |1.1.1c| | 1 |
| An item not tested |Manual| | 1 |
| Handlebar mounting clamp bolt loose |2.1.1a| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Offside Rear Brake locking device missing |3.2.A1e| | 1 |
| Rear Brake locking device insecure |3.2.A1e| | 1 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Brake performance not tested |3.3| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Nearside Front Upper Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Forks modification unsafe excessive movement in forks (2.2.2 (e)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Rear Brake reaction bracket insecure |3.2.A1j| | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Front Steering lock stop ineffective |2.1.3| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |