| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Front Brake hose is likely to be fouled or trapped by moving parts |3.2.B2c| | 1 |
| Headlamp aim out of alignment | 1 |
| Front Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Drive chain so loose it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Offside Front Upper Throttle operating incorrectly |6.2.1f| | 1 |
| Nearside Rear Lower Drive chain excessively tight |6.2.1d| | 1 |
| Registration plate lamp issues | 1 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Headlamp insecure wrong size mount bolts fitted (4.1.1 (c)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |