| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 2 |
| Registration plate issues | 2 |
| Steering movement excessively stiff with the wheel raised |2.2.1b| | 2 |
| Rear Rear wheel rotation likely to be impeded rear bearings |6.2.1b| | 2 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 2 |
| Throttle control functioning such that safe operation of the motorcycle is adversely affected (6.2.7 (a) (ii)) | 2 |
| Rear Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Nearside Handlebar handgrip missing |2.1.1c| | 1 |
| Lower Steering headbearing has excessive free play |2.2.2| | 1 |
| Throttle operating incorrectly NOT RETURNING |6.2.1f| | 1 |
| Headlamp insecure Front fairing |1.2.3b| | 1 |
| Nearside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Brake linkage has abnormal movement due to maladjustment REAR brake incorrect fitting |3.2.A1i| | 1 |
| Locking device|s| not correctly fitted which may make the motor bicycle dangerous to ride clip fitted incorrect
|6.2.1h| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Brake pedal is positioned so that the brake cannot be readily applied loose fairing obstructing rear brake pedal |3.1.3c| | 1 |
| Rear suspension bearing has excessive free play swinging arm bearings |2.4.A2a|i|| | 1 |
| Drive chain excessively tight links seized - not moving freely |6.2.1d| | 1 |
| Drive chain excessively tight |6.2.1d| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 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 |
| Drive chain so worn it is likely to fail |6.1.7 |c| |ii|| | 1 |
| Nearside Front Handlebar grip insecure to handlebar loose and turning |2.2.1 |d| |ii|| | 1 |
| Front Brake component is severely distorted |3.1.5| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Offside Front Footrest insecure footrest rubber worn out (6.2.12 (a)) | 1 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Registration plate lamp issues | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Front Brake lever is so short and the brake cannot be readily applied |3.1.3c| | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Footrest missing (6.2.12 (a)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Position lamp adversely affected by the operation of another lamp (4.2.3 (b)) | 1 |
| Front Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |