| Most common failures | No# failures |
|---|
| Horn not working |1.7.3a| | 3 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 3 |
| Headlamp aim out of alignment | 2 |
| Direction indicators not working |1.5.1c| | 2 |
| Nearside Rear Direction indicators affected by the operation of another lamp |1.5.1c| | 2 |
| Offside Rear Direction indicators affected by the operation of another lamp |1.5.1c| | 2 |
| Rear suspension component seized |2.4A2a|ii|| | 1 |
| Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 1 |
| Wheel alignment incorrect which adversely affects the steering |2.5.1| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Centre Front suspension assembly has an insecure fork brace |2.3.4d| | 1 |
| Centre Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Centre Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Upper Direction indicator deteriorated and function impaired |1.5.3a| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Front Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Rear Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Front Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Rear Direction indicator flashing less than 60 times a minute |1.5.1c| | 1 |
| Registration plate issues | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Throttle operating incorrectly sticking on |6.2.1f| | 1 |
| Brake pedal mounting insecure |3.1.2a| | 1 |
| Front position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Front position lamp adversely affected by the operation of the horn |1.1.3b| | 1 |
| Rear position lamp adversely affected by the operation of the horn |1.1.3b| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Stop lamp affected by the operation of the horn |1.3.2| | 1 |
| Stop lamp does not emit a steady light |1.3.1b| | 1 |
| Nearside Front Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Offside Front Direction indicators affected by the operation of another lamp |1.5.1c| | 1 |
| Nearside Front Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Nearside Rear Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Front Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Offside Rear Direction indicators flashing less than 60 times a minute |1.5.1c| | 1 |
| Nearside Front Indicator tell tale not operating correctly |1.5.2| | 1 |
| Offside Front Indicator tell tale not operating correctly |1.5.2| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Front suspension assembly component loose |2.3.1| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Centre Front Headlamp aim does not move downwards when dipped |1.6.5| | 1 |
| Centre Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |