| Most common failures | No# failures |
|---|
| Registration plate issues | 19 |
| Registration plate lamp issues | 6 |
| Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Rear Position lamp missing |4.2.1 |a|| | 2 |
| Stop lamp|s| missing |4.3.1 |a| |ii|| | 2 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Parking brake lever missing (1.1.6 (d)) | 2 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 2 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 2 |
| Headlamp aim out of alignment | 2 |
| Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Horn not working |1.7.3a| | 1 |
| Nearside Rear Wheel hub spigot mounting excessively worn |4.2.B.5| | 1 |
| Offside Rear Wheel hub spigot mounting excessively worn |4.2.B.5| | 1 |
| Nearside Front Upper Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Offside Front Rear wheel bearing has excessive play |2.6.2| | 1 |
| Nearside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Indicator tell tale inoperative |1.4.A.2a| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 1 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 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 |
| Obligatory mirror missing Both |3.3 |a|| | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Offside 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 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 1 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Front Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Nearside Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Offside Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Indicator tell tale missing |1.4.A.2a| | 1 |
| Front position lamp|s| missing |1.1.A.3a| | 1 |
| Nearside Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Stop lamp(s) not working Operated by front brake lever (4.3.1 (a) (ii)) | 1 |
| Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Front Upper Suspension arm pin or bush excessively worn Forward and rear arms. (5.3.4 (a) (i)) | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Offside Front Upper Suspension arm pin or bush excessively worn Forward & rear (5.3.4 (a) (i)) | 1 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Nearside Front Upper Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Upper Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Main beam tell-tale not working (4.9.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Offside Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 1 |
| Parking brake lever defective so that it cannot be satisfactorily operated (1.1.6 (d)) | 1 |
| Nearside Front Lower Suspension arm pin or bush excessively worn Forward & rear (5.3.4 (a) (i)) | 1 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Central Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Central Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Central Rear Position lamp lens seriously defective (4.2.1 (b)) | 1 |
| Nearside Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Obligatory mirror missing (3.3 (a)) | 1 |
| Parking brake lever is not capable of being maintained in operation by direct mechanical action only (1.1.6 (f)) | 1 |
| Offside Brake master cylinder insecure mounting broken (1.1.10 (c)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Rear Parking brake efficiency below requirements |3.7.B.7| | 1 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Front Brake hose connection leaking on an air braking system (1.1.12 (c) (i)) | 1 |
| Nearside Suspension arm pin or bush excessively worn upper and lower (5.3.4 (a) (i)) | 1 |
| Offside Rear Suspension arm pin or bush excessively worn upper and lower (5.3.4 (a) (i)) | 1 |
| Nearside Parking brake lever defective so that it cannot be satisfactorily operated (1.1.6 (d)) | 1 |
| Brake performance not tested Unable to travel at required speed (1.2.1 (g)) | 1 |
| Nearside Obligatory mirror missing (3.3 (a)) | 1 |
| Offside Obligatory mirror missing (3.3 (a)) | 1 |
| Stop lamp(s) not working With front brake control (4.3.1 (a) (ii)) | 1 |
| Drive chain so worn it is likely to fail split link facing wrong way (6.1.7 (c) (ii)) | 1 |
| Front Upper Suspension arm attachment bracket/mounting insecure both sides split pins missing (5.3.3 (a) (i)) | 1 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| All direction indicators missing (4.4.1 (a) (ii)) | 1 |
| Handlebar grip not secure to handlebars. both sides grips (2.2.1 (f) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |