| Most common failures | No# failures |
|---|
| Rear reflector missing (4.8.2 (a) (ii)) | 14 |
| Registration plate issues | 9 |
| Horn not working (7.7 (a) (ii)) | 4 |
| Stop lamp remains on when the brakes are released | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Drive chain worn to excess (6.1.7 (c) (i)) | 1 |
| Headlamp aim out of alignment | 1 |
| Front Brake lever is so short that the brake cannot be readily applied (1.1.2 (d)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Registration plate lamp issues | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Brake lever insecure front brake lever adjuster loose (1.1.2 (e) (i)) | 1 |
| Front Valve stem seriously misaligned lock nut missing (5.2.3 (j)) | 1 |
| Headlamp aim projected beam image obviously incorrect (4.1.2 (c)) | 1 |
| Dipswitch does not operate immediately when selected on main beam (4.1.3 (b)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Dipswitch does not operate immediately when selected on dipped beam (4.1.3 (b)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 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 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |