| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 17 |
| Registration plate issues | 12 |
| Headlamp aim out of alignment | 9 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 5 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Registration plate lamp issues | 3 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 2 |
| Nearside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| 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)) | 1 |
| Rear Stop lamp switch with a delay in operation (4.3.2 (a) (ii)) | 1 |
| Drive chain so loose it is likely to fail chain excesively loose (dangerous) (6.1.7 (c) (ii)) | 1 |
| Engine mounting/bracket bracket excessively loose (6.1.8 (a) (ii)) | 1 |
| Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Rear Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Exhaust system insecure (6.1.2 (a)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Wheel spindle locking device missing (5.2.1 (d)) | 1 |
| Front Wheel spindle locking device missing (5.2.1 (d)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Offside Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Suspension component pin or bush excessively worn SWING ARM BUSHES (5.3.4 (a) (i)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Drive chain so worn it is likely to fail (6.1.7 (c) (ii)) | 1 |