| Most common failures | No# failures |
|---|
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 4 |
| Headlamp aim out of alignment | 3 |
| Nearside Rear Direction indicators not working |1.5.1c| | 3 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 2 |
| Registration plate issues | 2 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Headlamp aim beam image kick up to the offside |1.6| | 2 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Offside Front Upper Throttle operating incorrectly |6.2.1f| | 1 |
| Rear wheel insecure |4.2.3b| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Outer Front Lower Exhaust excessively deteriorated |7.1.1a| | 1 |
| Front Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Nearside Rear Direction indicator not working |1.5.1c| | 1 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 1 |
| Brake pedal cannot be applied smoothly |3.1.3d| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Steering headbearing in such a condition that steering control is adversely affected |2.2.2 |f| |ii|| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Fuel system component leaking |6.1.3 |b| |i|| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Motorcycle structure excessively corroded |6.1.1a| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Nearside Front Direction indicators not working |1.5.1c| | 1 |
| Front Headlamp switch faulty |1.2.4| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Rear Brake locking device insecure |3.2.A1e| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Dipswitch does not extinquish main beam/s, leaving at least 1 dipped beam headlamp |1.2.2b|i|| | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Rear Rear position lamp incorrect colour |1.1.2b| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Rear reflector defective or damaged by more than 50% of the reflecting surface |4.8.1 |a| |ii|| | 1 |