| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5 |
| Brakes imbalanced across an axle | 5 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 2 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 2 |
| Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Stop lamp not working |1.2.1b| | 2 |
| Service brake is causing the steering wheel to severely pull one way |3.7.C.2| | 1 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Headlamp not working on main beam |1.7.5a| | 1 |
| Fuel cap/sealing device sealing washer deteriorated |7.2.4c| | 1 |
| Offside Front Brake hose leaking |3.6.A.1| | 1 |
| Brake hose excessively deteriorated | 1 |
| Brake master cylinder leaking hydraulic fluid |3.6.G.1f| | 1 |
| Service brake: efficiency below requirements |3.7.C.1a| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Steering pivot point has excessive play |2.2.B.1g| | 1 |
| Offside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Horn not working |1.7.3a| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Offside Front Drag link end ball joint has excessive play |2.2.B.1f| | 1 |
| Horn not working |1.6.2a| | 1 |
| Windscreen washer control missing |8.2.1a| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Offside front brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside front brake binding |3.7.B.1| | 1 |
| Brake pipe excessively corroded | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Drag link end ball joint has excessive play |2.2.B.1f| | 1 |
| Rear Anti-roll bar fractured |2.4.G.1| | 1 |
| Centre Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 1 |
| Offside Semaphore indicator arm arm does not show an amber light to the front |1.4.C.1b| | 1 |
| Headlamp not working on main beam |1.7.5a| | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Rear brake application uneven | 1 |
| Rear Anti-roll bar cracked |2.4.G.1| | 1 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front Suspension arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Registration plate lamp issues | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Nearside Rear reflector missing |1.5.1a| | 1 |
| Offside Rear reflector missing |1.5.1a| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Fuel hose leaking |7.2.1a| | 1 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Rear Rear wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |