| Most common failures | No# failures |
|---|
| Registration plate issues | 8 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 3 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Stop lamp does not illuminate immediately a brake applies front and rear application |1.3.1a| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Stop lamp affected by the operation of the horn |1.3.2| | 1 |
| Headlamp aim not tested |1.6| | 1 |
| Rear Direction indicator not working |1.5.1c| | 1 |
| Front Riders seat insecure |6.2.1a| | 1 |
| Fuel tank leaking |7.2.1a| | 1 |
| Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| All direction indicators obviously incorrectly positioned |4.4.3 |a|| | 1 |
| Fuel pipe leaking |6.1.3 |b| |i|| | 1 |
| Position lamp missing no front /rear position lamps on sidecar |4.2.1 |a|| | 1 |
| Fuel cap sealing washer missing |7.2.2c| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride drive chain |6.2.1h| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Rear Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Front Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Central Front Upper Handlebar fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |