| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 10 |
| Registration plate issues | 7 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 2 |
| Handlebar so insecure it is likely to become detached |2.2.1 |b| |ii|| | 2 |
| Stop lamp adversely affected by the operation of another lamp (4.3.3 (b)) | 2 |
| Rear Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 2 |
| Steering operation restricted in free movement from lock to lock Steering stops hitting headlamp bracket, limiting steering lock |2.1.4 |c|| | 1 |
| Rear Brake pipe inadequately supported |3.2.B2b| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Rear suspension bush has excessive free play rear swingarm bearings have excessive free play |2.4.A2a|i|| | 1 |
| Rear Stop lamp showing white light to the rear |4.3.3 |a| |ii|| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Rear Roller brake test indicates a binding brake Greased brake lever. |3.3.A1a| | 1 |
| Rear Stop lamp remains on when the brake is released New brake switch fitted. |1.3.1e| | 1 |
| Rear reflector on motorcycle missing Rear reflector fitted at test station. |1.4.1| | 1 |
| Stop lamp not working via foot control |4.3.1 |a| |ii|| | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Stop lamp not working front and rear application (4.3.1 (a) (ii)) | 1 |
| Rear Brake lever has abnormal movement of levers indicating excessive wear or maladjustment (1.1.15 (f)) | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Rear Stop lamp not working Switch failed (4.3.1 (a) (ii)) | 1 |
| Rear Suspension arm ball joint excessively worn SWING ARM (5.3.4 (a) (i)) | 1 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Rear Suspension arm ball joint excessively worn swing arm (5.3.4 (a) (i)) | 1 |
| Central Front Stop lamp not working Brake lever not operating the stop light (4.3.1 (a) (ii)) | 1 |
| Central Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Central Front Upper Handlebar so insecure it is likely to become detached Handlebars loose (2.2.1 (b) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Shock absorber has a serious fluid leak fork seal blown (5.3.2 (b)) | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Offside Rear Drive belt so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear Wheel fixing loose (multiple fixings) (5.2.1 (a) (i)) | 1 |
| Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Front Headlamp incorrect colour (4.1.4 (a)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Wheel excessively distorted (5.2.2 (c) (i)) | 1 |
| Front Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Nearside Handlebar mounting insecure (2.2.1 (a) (i)) | 1 |
| Nearside Front Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Rear Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a)) | 1 |
| Registration plate lamp issues | 1 |