| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5 |
| Registration plate issues | 5 |
| Throttle operating incorrectly |6.2.1f| | 4 |
| Rear Brake reaction bracket insecure |3.2.A1j| | 2 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 2 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 2 |
| Front Brake pipe inadequately supported |3.2.B2b| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Offside Direction indicators not working |1.5.1c| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Front Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Nearside Rear Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Front Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Rear Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Forks in such a condition that steering control is adversely affected (2.2.2 (d) (ii)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Indicator tell tale not operating correctly |1.5.2| | 1 |
| Brake pipe union leaking fluid |3.2.B4| | 1 |
| Rear Direction indicators not working |1.5.1c| | 1 |
| Fuel cap does not fasten securely by a positive means |7.2.2b| | 1 |
| Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear position lamp adversely affected by the operation of another lamp affected by stop lamp |1.1.3b| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Offside Front Upper Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Brake pedal is positioned so that the brake cannot be readily applied |3.1.3c| | 1 |
| Rear wheel spindle loose |2.4.A.2b| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front Brake pipe excessively damaged |3.2.B2a| | 1 |
| Front Front mudguard insecure |2.3.7| | 1 |
| Rear Brake locking device missing |3.2.A1e| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Riders seat insecure |6.2.1a| | 1 |
| Fuel system component insecure |7.2.1b| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |