| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 6 |
| Parking brake: efficiency below requirements |3.7.B.7| | 3 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 3 |
| Registration plate lamp issues | 3 |
| Parking brake lever has no reserve travel |3.1.6b| | 2 |
| Brakes imbalanced across an axle | 2 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 2 |
| Exhaust excessively deteriorated |7.1.1a| | 2 |
| Registration plate issues | 2 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4| | 2 |
| Rear Rear reflector missing |1.5.1a| | 1 |
| Front brake disc contaminated by oil |3.5.1h| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Front Brake lever cannot be released smoothly |3.1.3d| | 1 |
| Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Nearside Stop lamp missing |1.2.1a| | 1 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| Nearside Front position lamp|s| missing |1.1.A.3a| | 1 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Offside Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Rear reflector missing |1.5.1a| | 1 |
| Offside Rear reflector missing |1.5.1a| | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Offside Stop lamp has less than 50% of the light sources illuminating |1.2.1b| | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Nearside Rear Stop lamp not working |1.2.1b| | 1 |
| Nearside Rear reflector not fitted symmetrically |1.4.1| | 1 |
| Offside Rear reflector not fitted symmetrically |1.4.1| | 1 |
| Hazard warning switch inoperative |4.4.2 |a| |ii|| | 1 |
| Front All position lamps not working |4.2.1 |a|| | 1 |
| Stop lamp|s| remains on when the brakes are released |4.3.2 |a| |iii|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Fuel hose leaking |7.2.3| | 1 |
| Nearside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Offside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 1 |
| Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Front wheel bearings are excessively rough |9.2.8c| | 1 |
| Front wheel bearings have excessive free play |9.2.8c| | 1 |
| Rear Brake linkage has abnormal movement of levers indicating maladjustment |3.5.1f| | 1 |
| Front position lamp|s| missing |1.1.A.3a| | 1 |
| Rear reflector missing |1.5.1a| | 1 |
| Front Front shock absorber insecure |9.2.7a| | 1 |
| Handlebar mounting clamp loose |9.2.1c| | 1 |
| Parking brake lever has excessive side play in the pivot and may disengage |3.1.4a| | 1 |
| Horn not working |1.6.2a| | 1 |
| Stop lamp not working both on brake lever hand operated |1.2.1b| | 1 |
| Offside Front Front position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Brake performance not tested |3.7.A.1| | 1 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 1 |
| Mechanical brake component securing device missing |3.5.1i| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Front Road wheel spoke excessively loose |4.2.A.1b| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Nearside Rear Shock absorber insecure |2.7.2b| | 1 |
| Rear Wheel nut|s| missing |4.2.A.1e| | 1 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 1 |
| Front Brake pipe inadequately supported |3.6.B.1| | 1 |
| Offside Rear Brake disc insecure |1.1.14 |a| |ii|| | 1 |
| Nearside Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 1 |
| Headlamp light intensity severely reduced main beam |4.1.4 |a|| | 1 |
| Nearside Rear Brake pipe excessively damaged |1.1.11 |c|| | 1 |
| Offside Rear Direction indicators adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Nearside Rear Drive shaft which forms part of the suspension coupling gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.4.G.4e| | 1 |
| Centre Headlamp insecure |1.7.3| | 1 |
| Centre Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside All position lamps not working |1.1.A.3b| | 1 |
| Offside All position lamps not working |1.1.A.3b| | 1 |
| Front brake disc locking device missing |3.5.1l| | 1 |
| Offside Rear Brake pipe leaking |3.6.A.1| | 1 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 1 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 1 |
| Offside Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Rear Rear fog lamp not working |1.3.2b| | 1 |
| Brake lever has abnormal movement of levers indicating maladjustment |3.5.1f| | 1 |
| Front Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.D.4| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Obligatory mirror missing |8.1.1| | 1 |
| Hazard warning lamps not fitted |1.4.B.1a| | 1 |