| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 32 |
| Registration plate lamp issues | 14 |
| Registration plate issues | 13 |
| Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a)) | 5 |
| Horn not working (7.7 (a) (ii)) | 5 |
| Stop lamp remains on when the brakes are released | 5 |
| Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Front Horn not working (7.7 (a) (ii)) | 2 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 2 |
| Headlamp incorrect colour (4.1.4 (a)) | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Central Rear Lower Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 2 |
| Steering linkage locking device ineffective |2.1.3 |d|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Rear Brake lever has restricted free movement (1.1.15 (e)) | 1 |
| Direction indicator not working L/H Rear (4.4.1 (a) (ii)) | 1 |
| Handlebar retaining device loose (2.2.1 (b) (i)) | 1 |
| Headlamp light source and lamp not compatible LED bulb conversion (4.1.4 (c)) | 1 |
| Clutch lever positioned so it cannot be readily operated bolt missing (6.2.7 (b)) | 1 |
| Stop lamp switch with a delay in operation stop light remains on after breaking (4.3.2 (a) (ii)) | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Riders seat insecure |6.2.5 |a| |ii|| | 1 |
| Rear Pillion seat insecure lock catch loose (6.2.6 (a) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Rear Brake disc fractured |1.1.14 |a| |ii|| | 1 |
| All direction indicators adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Central Front Upper Headlamp incorrect colour front light blue (4.1.4 (a)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 1 |
| Rear brake disc in such a condition that it is seriously weakened | 1 |
| Front Brake lever is so short that the brake cannot be readily applied |1.1.2 |d|| | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Front Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Steering headbearing has excessive wear or free play |2.2.2 |f| |i|| | 1 |
| Nearside Rear Inner Drive belt guard insecure drive belt catching belt retightened to clear belt when wheel rotates .. (6.1.7 (i)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Riders seat insecure (6.2.5 (a) (ii)) | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Rear Exhaust has a major leak of exhaust gases exhaust silencer has broken away from front pipe. (6.1.2 (a)) | 1 |