| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 16 |
| Registration plate issues | 13 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 6 |
| Rear suspension bearing has excessive free play |2.4.A2a|i|| | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 3 |
| Mechanical brake component has restricted free movement | 2 |
| Registration plate lamp issues | 2 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 2 |
| front brake recording little or no effort |3.7.B.5a| | 2 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Fuel tank leaking |7.2.1a| | 1 |
| Rear Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Front Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Rear Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| rear brake recording little or no effort |3.7.B.5a| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1 |
| Front Hazard warning switch missing |1.4.B.1d| | 1 |
| Front Hazard warning tell tale not working correctly |1.4.B.1e| | 1 |
| Nearside Rear Rear reflector missing |1.5.1a| | 1 |
| Offside Rear Rear reflector missing |1.5.1a| | 1 |
| Nearside Rear Outer Drive shaft which forms part of the suspension coupling gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.4.G.4e| | 1 |
| Nearside Drive shaft which forms part of the suspension coupling gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.4.G.4e| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Rear Motorcycle structure joining/attachment plate or fastening insecure grab rail loose (6.1.1 (b) (i)) | 1 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Horn not working |1.7.3a| | 1 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Centre Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front Brake disc contaminated (1.1.14 (b)) | 1 |
| Offside Front Outer Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Front Outer Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Rear Outer Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Rear Outer Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Rear Outer Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Offside Rear Outer Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Rear 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 |
| Front Horn not working (7.7 (a)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Front Stop lamp not working front brake light switch |4.3.1 |a| |ii|| | 1 |
| Rear Brake disc|s| securing bolt|s| loose |3.2.A1g| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Rear Seat insecure |6.2.1a| | 1 |
| Rear Inner Direction indicator insecure |1.5.3b| | 1 |
| Headlamp aim beam image kick up to the offside |1.6| | 1 |
| Stop lamp obscured |1.3.1c| | 1 |
| Rear position lamp obscured more than 50% |1.1.1d| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Front Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Front Brake lever cannot be applied smoothly |3.1.3d| | 1 |
| Offside Rear Direction indicator insecure |1.5.3b| | 1 |
| Rear suspension bearing has excessive free play (2.4.A2a(i)) | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Exhaust excessively deteriorated |7.1.1a| | 1 |
| Offside Rear Lower Exhaust silencer insecure |8.1.1 |b| |i|| | 1 |