| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 4 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 2 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Drive chain worn to excess |6.2.1e| | 2 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Rear Position lamp not working Lube Ignition Switch (4.2.1 (a)) | 1 |
| Registration plate lamp issues | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Offside Front Direction indicator not working |1.5.1c| | 1 |
| Front Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| All position lamps not working (4.2.1 (a)) | 1 |
| Nearside Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Offside Direction indicator flashing more than 120 times per minute |1.5.1c| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Offside Handlebar deformed |2.1.1b| | 1 |
| Front Brake excessively binding (1.2.1 (f)) | 1 |
| Offside Rear Lower Motorcycle structure joining/attachment plate or fastening insecure Anchor arm locking device missing. (Split Pin) (6.1.1 (b) (i)) | 1 |
| Front Headlamp insecure (4.1.1 (c)) | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Headlamp insecure (4.1.1 (c)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Brake lever insecure clamp bolts loose (1.1.2 (e) (i)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Offside Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Drive chain sprocket carrier worn to excess |6.2.1e| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Wheel spindle loose |5.2.1 |c| |i|| | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Centre Rear Upper Stop lamp does not illuminate immediately a brake applies repaird at garage |1.3.1a| | 1 |
| Central Front Inner Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Nearside Rear Lower Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Nearside Rear Lower Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Central Rear Upper Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Central Front Upper Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Front Front mudguard insecure |2.3.7| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Offside Brake lever excessively damaged |3.2.A1c| | 1 |
| Front Brake lever has insufficient reserve travel |1.1.2 |a|| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |