| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 13 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| Registration plate issues | 2 |
| Front Upper Brake pipe union leaking fluid |3.2.B4| | 1 |
| Nearside Front Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Horn control not functioning. |1.7.2b| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Front Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Brake pipe inadequately supported |3.2.B2b| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 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 |
| Front Brake lever attachment screws loose |3.1.2b| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Fuel cap does not fasten securely maintaining the sealing arrangement |7.2.2b| | 1 |
| Rear Brake lagging in operation (1.2.1 (d)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Wheel spindle or securing nut(s) so insecure that wheel security or steering control is adversely affected (5.2.1 (c) (ii)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Horn control defective |1.7.2a| | 1 |