| Most common failures | No# failures |
|---|
| Registration plate issues | 5 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Horn not working |1.7.3a| | 3 |
| Drive chain excessively loose |6.2.1d| | 3 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Registration plate lamp issues | 2 |
| Rear Stop lamp missing |1.3.3a| | 1 |
| Front Steering damper in such a condition that the steering action is impaired. |2.1.2d| | 1 |
| Front Wheel has an excessively distorted bead rim. |4.2.2| | 1 |
| Front Front mudguard insecure |2.3.7| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Rear Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Throttle operating incorrectly |6.2.7 |a| |i|| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Front position lamp missing |1.1.1a| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Central Rear Upper Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Rear Lower Drive chain excessively tight |6.2.1d| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Stop lamp does not emit a steady light front brake control |1.3.1b| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp aim out of alignment | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Offside Steering operation fouling on the fuel tank or bodywork on full lock (2.1.4 (b)) | 1 |
| Rear Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Brake pedal is positioned so that the brake cannot be readily applied (1.1.2 (d)) | 1 |