| Most common failures | No# failures |
|---|
| Rear reflector missing |4.8.2 |a| |ii|| | 3 |
| Stop lamp remains on when the brakes are released | 2 |
| Rear Brake lining(s) less than 1.0 mm thick (1.1.13 (a)) | 1 |
| Headlamp aim not tested not operating (4.1.2 (b)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Rear Drive chain sprocket worn to excess |6.1.7 |c| |i|| | 1 |
| Rear Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 1 |
| Stop lamp not working foot pedal |4.3.1 |a| |ii|| | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Rear Wheel spindle locking device missing (5.2.1 (d)) | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Horn control not functioning. Ignition switch failure resulting in loss of all electric |1.7.2b| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Offside Front Throttle operating incorrectly inscure |6.2.1f| | 1 |
| Offside Front Direction indicators not working |1.5.1c| | 1 |
| Offside Front Handlebar deformed |2.1.1b| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Front Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Nearside Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front All direction indicators obviously incorrectly positioned Too close together |4.4.3 |a|| | 1 |
| Rear All direction indicators obviously incorrectly positioned Too close together |4.4.3 |a|| | 1 |
| Exhaust markings indicating not for road use or similar wording |6.1.2 |c|| | 1 |