| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 29 |
| Registration plate issues | 20 |
| Horn not working (7.7 (a)) | 14 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 6 |
| Stop lamp remains on when the brakes are released | 6 |
| Headlamp aim out of alignment | 5 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 4 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 2 |
| Front Position lamp not working (4.2.1 (a)) | 2 |
| Rear Position lamp not working (4.2.1 (a)) | 2 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 2 |
| Front Brake caliper insecure (1.1.16 (c) (i)) | 1 |
| Valve stem seriously damaged (5.2.3 (j)) | 1 |
| Wheel spoke excessively loose (5.2.2 (d)) | 1 |
| Central Front Upper Horn not working (7.7 (a)) | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Drive chain excessively loose (6.1.7 (c) (i)) | 1 |
| Horn not working missing (7.7 (a)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Registration plate lamp issues | 1 |
| Wheel hub excessively worn Rear Wheel bearing (5.2.1 (b) (i)) | 1 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Offside Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Rear Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Stop lamp not working from both controls (4.3.1 (a) (ii)) | 1 |
| Plate brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Wheel spoke excessively loose (5.2.2 (d)) | 1 |
| Rear Wheel spoke excessively loose (5.2.2 (d)) | 1 |
| Exhaust markings indicating not for road use or similar wording (6.1.2 (c)) | 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 |
| All direction indicators missing (4.4.1 (a) (ii)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Rear Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Horn not working (7.7 (a)) | 1 |
| Front Wheel spoke missing (5.2.2 (d)) | 1 |