| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 5 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Headlamp aim out of alignment | 2 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Rear Drive chain worn to excess |6.2.1e| | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Central Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Steering headbearing excessively stiff or notchy stiff |2.2.2 |f| |i|| | 1 |
| Stop lamp not working not working when either brake is applied |4.3.1 |a| |ii|| | 1 |
| Drive chain worn to excess |6.1.7 |c| |i|| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.4 |a|| | 1 |
| Offside Handlebar excessively deformed traps hand on fuel tank (2.2.1 (c) (i)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Front Steering headbearing excessively stiff or notchy (2.2.2 (f) (i)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Throttle operating incorrectly Sticking open. |6.2.1f| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Rear Brake excessively binding |1.2.1 |f|| | 1 |
| Drive chain sprocket so loose it is likely to fail worn cush gears (6.1.7 (c) (ii)) | 1 |
| Rear Wheel excessively damaged (5.2.2 (c) (i)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Exhaust has a major leak of exhaust gases Silencer split (6.1.2 (a)) | 1 |