| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 16 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Stop lamp remains on when the brakes are released | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Offside Front Footrest missing |6.2.12 |a|| | 1 |
| Central Rear Stop lamp does not illuminate immediately a brake applies rear foot brake switch needed adjusting |1.3.1a| | 1 |
| Rear Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Headlamp aim projected beam image obviously incorrect no clear image between dip and main (4.1.2 (c)) | 1 |
| Clutch lever positioned so it cannot be readily operated PIVOT NUT MISSING (6.2.7 (b)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Drive chain so loose it is likely to fail Chain link plate insecure. (6.1.7 (c) (ii)) | 1 |
| Offside Front Footrest insecure (6.2.12 (a)) | 1 |
| Direction indicators flashing more than 120 times per minute |1.5.1c| | 1 |
| Offside Footrest insecure |6.2.1a| | 1 |
| Rear Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 1 |
| Nearside Drive chain horseshoe locking device likely to become detached not in the groove (6.1.7 (j) (ii)) | 1 |
| Nearside Drive chain horseshoe locking device incorrectly fitted not seated in the groove (6.1.7 (j) (i)) | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Central Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Registration plate lamp issues | 1 |
| All direction indicators missing (4.4.1 (a) (ii)) | 1 |
| Registration plate issues | 1 |