| Most common failures | No# failures |
|---|
| Registration plate issues | 27 |
| Headlamp aim out of alignment | 12 |
| Parking brake efficiency below requirements |3.7.C.1b| | 10 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 9 |
| Registration plate lamp issues | 7 |
| Front Headlamp not working on dipped beam |1.7.5a| | 6 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 4 |
| Front Headlamp not working on main beam |1.7.5a| | 4 |
| Offside Obligatory mirror missing |8.1.1| | 4 |
| Offside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 4 |
| Rear parking brake recording little or no effort | 4 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 3 |
| Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 3 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| All position lamps not working |1.1.A.3b| | 3 |
| Nearside Obligatory mirror missing |8.1.1| | 3 |
| Centre Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Rear Stop lamp not working |1.2.1b| | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 3 |
| Main beam `tell-tale` not working |1.7.4c| | 3 |
| Rear Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Rear reflector missing |1.5.1a| | 2 |
| Nearside Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Offside Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Stop lamp not working |1.2.1b| | 2 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 2 |
| Nearside Footrest insecure |9.6.1| | 2 |
| Horn not working |1.6.2a| | 2 |
| Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Front position lamp|s| not working |1.1.A.3b| | 2 |
| All direction indicators not working (4.4.1 (a) (ii)) | 2 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 2 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Parking brake lever has no reserve travel |3.1.6b| | 2 |
| Centre Headlamp not working on dipped beam |1.7.5a| | 2 |
| Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Brake performance not tested |3.7.A.1| | 2 |
| Front Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Rear Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Stop lamp(s) remains on when the brakes are released (4.3.2 (a) (iii)) | 2 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Headlamp aim not tested |1.8.A.1c| | 1 |
| Centre Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 1 |
| Offside Front Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Rear Direction indicators not working |1.4.A.2c| | 1 |
| Offside Rear Direction indicators not working |1.4.A.2c| | 1 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 1 |
| Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Obligatory mirror missing both (3.3 (a)) | 1 |
| Parking brake lever missing |1.1.6 |d|| | 1 |
| Main beam tell-tale not working working on dip, instead of main beam |4.9.1 |a| |ii|| | 1 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 1 |
| Rear Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Rear Electrical wiring inadequately supported |1.9.2a| | 1 |
| Offside Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Rear Direction indicator insecure |1.4.A.2b| | 1 |
| Parking brake lever defective so that it cannot be satisfactorily operated |3.1.3c| | 1 |
| Obligatory mirror missing |8.1.1| | 1 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 1 |
| Nearside Front Upper Suspension arm rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front Upper Suspension arm rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Rear Wheel fitment excessively worn between the wheel and hub spigot mounting |4.2.B.5| | 1 |
| Offside Rear Wheel fitment excessively worn between the wheel and hub spigot mounting |4.2.B.5| | 1 |
| Direction indicators missing |1.4.A.2b| | 1 |
| Hazard warning lamps not fitted |1.4.B.1a| | 1 |
| Parking brake efficiency below requirements |3.7.B.7| | 1 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Parking brake lever missing (1.1.6 (d)) | 1 |
| Hazard warning lamps inoperative (4.4.1 (e)) | 1 |
| Rear reflector missing x2 |4.8.2 |a| |ii|| | 1 |
| Offside Front Upper Suspension arm pin or bush excessively worn inner bushes |5.3.4 |a| |i|| | 1 |
| Nearside Front Steering locking device missing |2.1.3 |d|| | 1 |
| Offside Front Steering locking device missing |2.1.3 |d|| | 1 |
| Nearside Front Lower Suspension arm insecurely attached locking device missing |5.3.3 |a| |i|| | 1 |
| Offside Front Lower Suspension arm insecurely attached locking device missing |5.3.3 |a| |i|| | 1 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 1 |
| Obligatory mirror missing both |8.1.1| | 1 |
| Brake lever cannot be released smoothly |9.3.1h| | 1 |
| Rear brake binding | 1 |
| Trailing arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Nearside Rear Rear reflector missing |1.5.1a| | 1 |
| Rear Rear reflector missing |1.5.1a| | 1 |
| Upper Front position lamp|s| not working |1.1.A.3b| | 1 |
| Centre Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Rear reflector missing |1.5.1a| | 1 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 1 |
| Rear Body or chassis is cracked, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Front position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 1 |
| Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Parking brake lever releases when knocked |3.1.6a| | 1 |
| Parking brake lever insecure |3.1.3b| | 1 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 1 |
| Front All position lamps not working |1.1.A.3b| | 1 |
| Rear All position lamps not working |1.1.A.3b| | 1 |
| Nearside Front Body insecure and dangerous to other road users |6.1.B.1b| | 1 |
| Offside Footrest insecure |9.6.1| | 1 |
| Centre Rear position lamp|s| insecure |1.1.A.3a| | 1 |
| Centre Stop lamp not working |1.2.1b| | 1 |
| Centre Headlamp not working on main beam |1.7.5a| | 1 |
| Service brake: efficiency below requirements |3.7.C.1a| | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Offside Rear Direction indicator insecure |1.4.A.2b| | 1 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 1 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Front Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Nearside Rear Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Handlebar deformed |9.2.1c| | 1 |
| Offside Handlebar handgrip not secure to handlebars. |9.2.1a| | 1 |
| Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.C.1a| | 1 |
| Nearside Rear Body has a sharp edge caused by damage |6.1.C.1| | 1 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Nearside Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Stop lamp|s| all not working |4.3.1 |a| |iii|| | 1 |
| Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 1 |
| Rear position lamp|s| has less than 50% of the light sources illuminating |1.1.A.3b| | 1 |
| Central Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Central Rear Stop lamp not working |1.2.1b| | 1 |
| Nearside Indicator tell tale inoperative |1.4.A.2a| | 1 |
| Nearside Front Outer Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Speedometer cannot be illuminated. |6.7.3| | 1 |
| Front Headlamp not working on dipped beam All (4.1.1 (a) (ii)) | 1 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Nearside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Front Upper Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Upper Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Central Rear Lower Shock absorbers has an excessively worn bush (5.3.2 (c)) | 1 |
| Rear reflector missing both missing (4.8.2 (a) (ii)) | 1 |
| Obligatory mirror missing both missing (3.3 (a)) | 1 |
| Rear All direction indicators incorrect colour (4.4.3 (a)) | 1 |
| Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Nearside Rear Sub-frame locating pin insecure |2.4.G.3a| | 1 |