| Most common failures | No# failures |
|---|
| Registration plate issues | 7 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Registration plate lamp issues | 3 |
| Service brake: efficiency below requirements |3.7.C.1a| | 2 |
| Headlamp aim out of alignment | 2 |
| Hazard warning switch inoperative |4.4.2 |a| |ii|| | 1 |
| Offside Front Upper Suspension arm pin or bush excessively worn Front |5.3.4 |a| |i|| | 1 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 1 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Front Horn not working |1.6.2a| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 1 |
| Rear brake caliper leaking |3.6.A.1| | 1 |
| Parking brake efficiency below requirements |3.7.B.7| | 1 |
| Trikes, quads or pre-68 vehicles, service brake efficiency below requirements rear brake no effort |3.7.B.7| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Horn not working |1.6.2a| | 1 |
| Indicator switch faulty |1.4.A.1| | 1 |
| Direction indicators not working all |1.4.A.2c| | 1 |
| Direction indicator flashing more than 120 times per minute all |1.5.1c| | 1 |
| Nearside Rear Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Offside Rear Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Offside Rear Direction indicator missing |4.4.1 |a| |ii|| | 1 |
| Nearside Rear Direction indicator missing |4.4.1 |a| |ii|| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| 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| | 1 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Nearside Obligatory mirror missing |3.3 |a|| | 1 |
| Main beam tell-tale missing |4.9.1 |a| |ii|| | 1 |
| Trikes, quads or pre-68 vehicles, service brake efficiency below requirements 30% |3.7.C.1a| | 1 |
| Brake pedal has insufficient reserve movement pedal going right down and rear brakes not working |3.3.A.5| | 1 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Nearside Front Track rod end ball joint has excessive play inner lock nut lose |2.1.3 |b| |i|| | 1 |
| Offside Front Lower Suspension arm damaged and seriously weakened Repaired by means of welding and bent |5.3.3 |b| |i|| | 1 |
| Parking brake lever inoperative |1.1.6 |d|| | 1 |
| Rear Drive shaft bearing excessively worn |6.1.7 |b| |i|| | 1 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 1 |
| Nearside Rear Road wheel fixing loose (5.2.1 (a) (i)) | 1 |
| Offside Rear Road wheel fixing loose (5.2.1 (a) (i)) | 1 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Offside Front Inner Track rod end ball joint has excessive play joint insecure on attachment to column (2.1.3 (b) (i)) | 1 |
| Nearside Rear Wheel bearing has excessive play drive side play (5.1.3 (a) (i)) | 1 |
| Front Wheel bearing has excessive play both sides (5.1.3 (a) (i)) | 1 |
| Front Upper Suspension arm pin or bush excessively worn inner bushes on both sides (5.3.4 (a) (i)) | 1 |
| Service brake efficiency less than 50% of the required value (1.2.2 (a) (ii)) | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Offside Obligatory mirror missing (3.3 (a)) | 1 |
| Brake cylinder leaking and braking performance affected (1.1.16 (b) (ii)) | 1 |
| Drive chain horseshoe locking device incorrectly fitted (6.1.7 (j) (i)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition (8.1.1 (a)) | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Rear Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Nearside Front Brake disc fractured (1.1.14 (a) (ii)) | 1 |
| Brake performance not tested Brake discs cracked (1.2.1 (g)) | 1 |