| Most common failures | No# failures |
|---|
| Registration plate issues | 17 |
| Headlamp aim out of alignment | 6 |
| Nearside Rear reflector missing |1.5.1a| | 5 |
| Rear Stop lamp not working |1.2.1b| | 4 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 3 |
| Centre Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |
| Offside Rear reflector missing |1.5.1a| | 3 |
| Offside Obligatory mirror missing |8.1.1| | 3 |
| Service brake: efficiency below requirements |3.7.C.1a| | 2 |
| Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.C.1a| | 2 |
| Registration plate lamp issues | 2 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Fuel cap/sealing device sealing washer missing |7.2.4c| | 2 |
| Centre Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Rear Road wheel fixing loose (5.2.1 (a) (i)) | 2 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 2 |
| Front Headlamp insecure |1.7.3| | 2 |
| Offside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 2 |
| Offside Front Direction indicator not working |1.4.A.2c| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Nearside Front Steering component is not secure to the vehicle structure |2.2.B.1a| | 1 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 1 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 1 |
| Centre Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Front Inner Steering linkage ball joint has excessive play |2.1.3 |b| |i|| | 1 |
| Parking brake efficiency below requirements |3.7.C.1b| | 1 |
| Rear Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Rear Wheel nut|s| loose |4.2.A.1e| | 1 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Nearside Outer Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Front Shock absorber has negligible damping effect |2.7.5| | 1 |
| Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Rear Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Nearside Upper Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c| | 1 |
| Offside Upper Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c| | 1 |
| Nearside Rear Wheel insecure |4.2.A.1c| | 1 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 1 |
| Offside Rear Rear reflector missing |1.5.1a| | 1 |
| Offside Front Indicator tell tale inoperative |1.4.A.2a| | 1 |
| Nearside Front Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 1 |
| Offside Front Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 1 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 1 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 1 |
| Nearside Front Parking brake lever, pawl mechanism pivot|s| locking device missing |3.1.4b| | 1 |
| Offside Trikes, quads or pre-68 vehicles, service brake imbalanced across an axle |3.7.D.2c| | 1 |
| Centre Rear Front position lamp|s| not working |1.1.A.3b| | 1 |
| Centre Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Centre Front Headlamp not working on main beam |1.7.5a| | 1 |
| Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Rear brake disc insecure |3.5.1i| | 1 |
| All position lamps not working |1.1.A.3b| | 1 |
| Headlamp not working on dipped beam |1.7.5a| | 1 |
| Headlamp not working on main beam |1.7.5a| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.5.1g| | 1 |
| Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Rear Rear reflector missing |1.5.1a| | 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 |
| Front Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Nearside Rear Drive shaft bearing excessively worn (6.1.7 (b) (i)) | 1 |
| Offside Rear Road wheel fixing loose (5.2.1 (a) (i)) | 1 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Lower Shock absorbers has an excessively worn bush (5.3.2 (c)) | 1 |
| Parking brake lever missing hydraulic hand brakes no longer aloud has to be a mechanical system (1.1.6 (d)) | 1 |
| Main beam tell-tale not working beams wrong way round high is low and low is high (4.9.1 (a) (ii)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Nearside Front Front suspension has excessive movement at a suspension ball joint |2.5.A.1c| | 1 |
| Offside Front suspension has excessive movement at a suspension ball joint |2.5.A.1c| | 1 |
| Offside Front suspension has a suspension lower ball joint securing nut not locked |2.5.B.1a| | 1 |
| Nearside Front suspension has a suspension lower ball joint securing nut not locked |2.5.B.1a| | 1 |
| Steering headbearing has excessive free play |9.2.4| | 1 |
| Rear Upper Suspension arm attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Rear Lower Suspension arm attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Nearside Rear Halfshaft nut loose |4.2.B.3| | 1 |
| Brake performance not tested |3.7.A.1| | 1 |
| Nearside Front Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.C.1a| | 1 |
| Service brake is causing the vehicle to swerve to the offside |3.7.C.2| | 1 |
| Nearside Rear Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Offside Rear Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Front Lower Shock absorber insecure |2.7.2b| | 1 |
| Obligatory mirror missing (3.3 (a)) | 1 |
| Nearside Front Inner Track rod end ball joint has excessive play and outer (2.1.3 (b) (i)) | 1 |
| Offside Front Inner Track rod end ball joint has excessive play and outer (2.1.3 (b) (i)) | 1 |
| Nearside Front Upper Suspension arm pin or bush excessively worn front and rear (5.3.4 (a) (i)) | 1 |
| Nearside Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Nearside Indicator tell tale inoperative |1.4.A.2a| | 1 |
| Offside Indicator tell tale inoperative |1.4.A.2a| | 1 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 1 |
| Nearside Obligatory mirror missing |8.1.1| | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Front Exhaust mounting missing |7.1.1b| | 1 |
| Rear Exhaust mounting missing |7.1.1b| | 1 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Front Suspension arm has excessive play in a track control arm inner bush |2.5.B.2b| | 1 |
| Offside Front Suspension arm has excessive play in a track control arm inner bush |2.5.B.2b| | 1 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 1 |
| Fuel cap/sealing device ineffective (6.1.3 (b) (i)) | 1 |
| Rear Shock absorbers damaged to the extent that it does not function (5.3.2 (b)) | 1 |
| Drive chain excessively worn (6.1.7 (c) (i)) | 1 |
| Rear Service brake excessively binding (1.2.1 (f)) | 1 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Offside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 1 |
| Nearside Front Brake cable locking device insecure |3.5.1l| | 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 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 1 |
| Rear Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 1 |
| Nearside Rear Suspension arm has excessive play in a pin/bearing |2.4.G.2| | 1 |
| Stop lamp(s) remains on when the brakes are released (4.3.2 (a) (iii)) | 1 |
| Parking brake is not capable of being maintained in operation by direct mechanical action only |3.1.2| | 1 |
| Nearside Handlebar grip not secure to handlebars. |2.2.1 |f| |ii|| | 1 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 1 |
| Rear Suspension component likely to fail shock absorber. |5.3.3 |b| |ii|| | 1 |
| Nearside Front Upper Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 1 |
| Drive chain excessively worn throttle sticking |6.1.7 |c| |i|| | 1 |
| Nearside Front Steering locking device missing |2.2.C.1g| | 1 |