| Most common failures | No# failures |
|---|
| Registration plate issues | 19 |
| Rear reflector on motorcycle missing |1.4.1| | 12 |
| Horn not working |1.7.3a| | 9 |
| Headlamp aim out of alignment | 8 |
| Front wheel bearings have excessive free play |2.3.5b| | 4 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 4 |
| Horn missing |1.7.1| | 4 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 3 |
| Front wheel bearings are excessively rough |2.3.5b| | 3 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 3 |
| Horn sound not in accordance with requirements (7.7 (c)) | 2 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 2 |
| Front Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 2 |
| Rear Drive chain sprocket worn to excess (6.1.7 (c) (i)) | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 2 |
| Horn control not functioning. |1.7.2b| | 2 |
| Nearside Footrest insecure |6.2.1a| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear suspension bearing excessively deteriorated swing arm pivot |2.4A.2a|i|| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Drive chain excessively loose |6.2.1d| | 1 |
| Rear Brake lever excessively damaged |3.2.A1c| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear suspension bush has excessive free play |2.4.A2a|i|| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Fuel cap sealing washer missing |7.2.2c| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Rear Wheel spoke excessively loose |4.2.1b| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Brake caliper|s| insecure |3.2.A1j| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Steering headbearing has excessive wear or free play (2.2.2 (f) (i)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted |6.1.7 |j| |i|| | 1 |
| Rear Upper Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Rear Lower Shock absorber has an excessively worn bush (5.3.2 (c)) | 1 |
| Fuel cap ineffective no rubber seal (6.1.3 (b) (i)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Headlamp aim projected beam image obviously incorrect No patter on dip beam (4.1.2 (c)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Brake disc fractured (1.1.14 (a) (ii)) | 1 |