| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 12 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 8 |
| Registration plate issues | 6 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 4 |
| Horn not working |1.7.3a| | 4 |
| Rear Floor brake test indicates a binding brake |3.3.C2c| | 4 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 4 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 3 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 3 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Riders seat insecure |6.2.1a| | 2 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 2 |
| Front Steering movement excessively `notchy` with the weight on the lower bearing |2.2.1a| | 2 |
| Horn not working |1.6.2a| | 2 |
| Horn not loud enough to be heard by another road user |1.7.3a| | 2 |
| Front Front wheel bearings have excessive free play |2.3.5b| | 2 |
| Front Stop lamp does not illuminate immediately a brake applies (1.3.1a) | 2 |
| Front Brake lever has inadequate reserve travel |3.1.3b| | 1 |
| Nearside Front Handlebar mounting clamp loose |2.1.1a| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Rear Rear wheel bearings have excessive free play |2.4.A.2c| | 1 |
| Front Steering headbearing has excessive free play |2.2.2| | 1 |
| Nearside Rear Direction indicators not working |1.5.1c| | 1 |
| Headlamp at least one does not illuminate on dipped beam |1.2.2a|i|| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Nearside Front Direction indicator not working |1.5.1c| | 1 |
| Nearside Rear reflector missing |1.5.1a| | 1 |
| Offside Rear reflector missing |1.5.1a| | 1 |
| Front Brake lever has inadequate reserve travel |9.3.1f| | 1 |
| Rear Brake lever has inadequate reserve travel |9.3.1f| | 1 |
| Rear Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.B.7| | 1 |
| Front Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.B.7| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Offside Front Lower Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Nearside Front Front position lamp|s| missing |1.1.A.3a| | 1 |
| Offside Front Front position lamp|s| missing |1.1.A.3a| | 1 |
| Nearside Rear Rear position lamp|s| missing |1.1.A.3a| | 1 |
| Offside Rear Rear position lamp|s| missing |1.1.A.3a| | 1 |
| Front Headlamp not working on main beam |1.7.5a| | 1 |
| Front Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 1 |
| Offside Rear Rear fog lamp missing |1.3.2a| | 1 |
| Rear Direction indicator missing |1.4.A.2b| | 1 |
| Nearside Rear Parking brake efficiency below requirements |3.7.B.7| | 1 |
| Nearside Rear Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.B.7| | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Offside Rear Exhaust system not adequately supported |7.1.1| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4| | 1 |
| Front Stop lamp not working |1.2.1b| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Front Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Stop lamp not working |1.2.1b| | 1 |
| Trikes, quads or pre-68 vehicles, service brake efficiency below requirements rear brake cylinder lock up no brake test |3.7.C.1a| | 1 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 1 |
| Service brake: efficiency below requirements |3.7.C.1a| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Rear brake binding | 1 |
| Rear Brake master cylinder leaking hydraulic fluid |3.6.G.1f| | 1 |
| Rear Brake master cylinder fluid level below minimum level |3.6.G.1e| | 1 |
| Offside Rear Brake back plate|s| securing device loose |3.5.1j| | 1 |
| Offside Handlebar mounting clamp bolt loose |9.2.1c| | 1 |
| Hazard warning switch faulty |1.4.B.1d| | 1 |
| All position lamps not working |1.1.A.3b| | 1 |
| Rear brake application uneven | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Registration plate lamp issues | 1 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Rear parking brake recording little or no effort | 1 |
| Brake lever has inadequate reserve travel |9.3.1f| | 1 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 1 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 1 |
| Driver`s seat insecure |6.2.A.1| | 1 |
| Handlebar mounting clamp loose |9.2.1c| | 1 |
| Brake pedal cannot be released smoothly |3.1.3d| | 1 |
| Front Roller brake test indicates a sticking brake |3.3.A1a| | 1 |
| Offside Rear Footrest insecure |6.2.1a| | 1 |
| An item not tested |Manual| | 1 |
| Nearside Front Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Offside Front Brake disc|s| excessively scored |3.2.A1l| | 1 |
| Front Brake disc|s| excessively worn |3.2.A1l| | 1 |
| Offside Rear Lower 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 |
| Offside Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Offside Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Rear Brake component has restricted free movement and operation is likely to be impeded |3.2.A1h| | 1 |
| Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 1 |
| Front Front wheel has a loose wheel nut|s| |4.2.3a| | 1 |
| Headlamp at least one does not illuminate on main beam |1.2.2a|ii|| | 1 |
| Offside Rear Direction indicator insecure |1.5.3b| | 1 |
| Horn control defective |1.7.2a| | 1 |
| Nearside Steering control fouling between components which interferes with the free movement of the steering |2.1.2a| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Front Brake component worn and seriously reduced in strength |3.2.A1| | 1 |
| Front position lamp does not illuminate immediately when switched on |1.1.3a| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front wheel bearings have excessive free play |2.3.5b| | 1 |
| Rear Lower Rear suspension component excessively corroded. |2.4.A.1a| | 1 |
| Rear Brake disc|s| excessively pitted |3.2.A1l| | 1 |
| Rear Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Brake caliper cracked (1.1.16 (a) (i)) | 1 |
| Brake caliper leaking (1.1.16 (b) (i)) | 1 |
| Front Position lamp not working (4.2.1 (a)) | 1 |
| Offside Footrest insecure (6.2.12 (a)) | 1 |
| Nearside Rear Direction indicator likely to become detached (4.4.1 (c) (ii)) | 1 |
| Brake pedal insecure (1.1.2 (e) (i)) | 1 |
| Suspension arm corroded and seriously weakened rear swing arm (5.3.3 (b) (i)) | 1 |
| Brake rod has restricted free movement (1.1.15 (e)) | 1 |
| Parking brake lever defective so that it cannot be satisfactorily operated (1.1.6 (d)) | 1 |
| Fuel tank insecure (6.1.3 (a) (i)) | 1 |
| Rear Shock absorbers damaged to the extent that it does not function (5.3.2 (b)) | 1 |
| Rear Shock absorbers has negligible damping effect (5.3.2 (d)) | 1 |
| Front Shock absorbers has a serious fluid leak (5.3.2 (b)) | 1 |
| Nearside Rear Service brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Offside Rear Service brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Rear Parking (secondary brake) on a single line braking system has no recorded effort at a wheel (1.3.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Front Hydraulic brake calliper leaking and braking performance affected (1.1.16 (b) (ii)) | 1 |
| Front Hydraulic brake calliper insecurely mounted (1.1.16 (c) (i)) | 1 |
| Brake performance not tested leaking (1.2.1 (g)) | 1 |
| Brake linkage has restricted free movement (1.1.15 (e)) | 1 |
| Front Stop lamp not working (4.3.1 (a) (ii)) | 1 |
| Front Roller brake test indicates a binding brake (3.3.A1a) | 1 |
| Nearside Handlebar handgrip not secure to handlebars. (2.1.1c) | 1 |
| Exhaust is leaking and excessively noisey (7.1.1b) | 1 |
| Exhaust excessively deteriorated (7.1.1a) | 1 |
| Handlebar handgrip not secure to handlebars. (2.1.1c) | 1 |
| Rear Floor brake test indicates a binding brake (3.3.C2c) | 1 |