| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 4 |
| Throttle operating incorrectly |6.2.1f| | 2 |
| Drive chain excessively loose |6.2.1d| | 2 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Brake hose excessively deteriorated | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Drive chain sprocket worn to excess |6.2.1e| | 1 |
| Drive chain worn to excess |6.2.1e| | 1 |
| Central Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front position lamp incorrect colour |1.1.2a| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Offside Rear Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Wheel alignment incorrect which adversely affects the handling |2.5.1| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Wheel spoke missing |4.2.1b| | 1 |
| Front Stop lamp does not illuminate by the operation of both brake controls Switch (4.3.2 (a) (iii)) | 1 |
| Nearside Rear Footrest missing (6.2.12 (a)) | 1 |
| Offside Rear Footrest missing (6.2.12 (a)) | 1 |
| Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Steering movement excessively `notchy` with the wheel raised |2.2.1b| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Front Brake component leaking fluid |3.2.B4| | 1 |
| Rear Brake disc|s| cracked |3.2.A1g| | 1 |