| Most common failures | No# failures |
|---|
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Rear Wheel spoke excessively loose |4.2.1b| | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 2 |
| Offside Rear Footrest missing |6.2.1a| | 1 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Central Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Central Rear Suspension component pin or bush excessively worn swingarm bushes worn (5.3.4 (a) (i)) | 1 |
| Offside Front Throttle operating incorrectly throttle action stiff. nut loose on cable mounting to switchgear (6.2.7 (a) (i)) | 1 |
| Direction indicators not working (1.5.1c) | 1 |
| Front Brake lever has inadequate reserve travel (3.1.3b) | 1 |
| Headlamp aim out of alignment | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Drive chain excessively tight (6.2.1d) | 1 |
| Rear Drive chain sprocket worn to excess (6.2.1e) | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Brake linkage has abnormal movement due to excessive wear |3.2.A1i| | 1 |
| Brake locking device missing |3.2.A1e| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Rear Roller brake test indicates brake effort rise disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Front Roller brake test indicates brake effort fall disproportional to brake lever or pedal effort |3.3.A1c| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp affected by the operation of another lamp |1.3.2| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Drive chain fouling another component |6.2.1d| | 1 |
| Front Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| All direction indicators not working with brake applied |4.4.1 |a| |ii|| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Upper Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Rear Footrest missing |6.2.1a| | 1 |
| Front Wheel spindle locking device missing (5.2.1 (d)) | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |