| Most common failures | No# failures |
|---|
| Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Registration plate lamp issues | 3 |
| Service brake: efficiency below requirements |3.7.B.7| | 3 |
| Horn not working |1.6.2a| | 2 |
| Front Headlamp not working on main beam |1.7.5a| | 2 |
| Front Headlamp aim beam image kick up to the offside |1.8| | 2 |
| Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Front Mechanical brake component locking device missing both front disc bolts missing |3.5.1l| | 1 |
| All position lamps adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Front brake disc contaminated by oil |3.5.1h| | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Front shock absorber leaking oil |9.2.7b| | 1 |
| Brake pipe inadequately clipped off side rear feed from flexi to cylinder |3.6.B.1| | 1 |
| Rear brake application uneven | 1 |
| Brakes imbalanced across an axle | 1 |
| Nearside Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Offside Front Brake disc|s| cracked |3.2.A1g| | 1 |
| Nearside Front Brake reaction bracket insecure |3.2.A1j| | 1 |
| Offside Front Brake reaction bracket insecure |3.2.A1j| | 1 |
| Centre Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Nearside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Centre front brake recording little or no effort |3.7.B.5a| | 1 |
| Brake pedal spongy |3.3.B.1b| | 1 |
| All position lamps not working |1.1.A.3b| | 1 |
| Rear Exhaust system not adequately supported |7.1.1| | 1 |
| Steering arm has relative movement at its fixings |2.2.B.1h| | 1 |
| Front Brake lever has abnormal movement of levers indicating maladjustment |3.5.1f| | 1 |
| Front front brake recording little or no effort |3.7.B.5a| | 1 |
| Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.B.7| | 1 |
| Rear brake binding | 1 |
| Nearside Rear Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear Front position lamp|s| not working |1.1.A.3b| | 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 |
| Rear Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Headlamp aim out of alignment | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Nearside Rear Brake clevis joint locking device missing |3.5.1l| | 1 |
| Parking brake not fitted on at least one wheel on a 3 wheeled vehicle |3.1.1| | 1 |
| Front position lamp|s| obviously incorrectly positioned |1.1.A.3a| | 1 |
| Rear position lamp|s| obviously incorrectly positioned |1.1.A.3a| | 1 |
| Registration plate issues | 1 |
| Rear reflector obviously incorrectly positioned |1.5.1a| | 1 |
| Rear reflector missing |1.5.1a| | 1 |
| Headlamp not working on dipped beam |1.7.5a| | 1 |
| Headlamp not working on main beam |1.7.5a| | 1 |
| Hazard warning lamps not fitted |1.4.B.1a| | 1 |
| Rear position lamp|s| obviously incorrectly positioned if over 1300 wide need one each side |1.1.A.3a| | 1 |
| Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Brake pipe inadequately supported |3.6.B.1| | 1 |
| Brake cable knotted bent over and cable tied |3.5.1b| | 1 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1 |
| Nearside Rear Position lamp showing white light to the rear |4.2.3 |a| |ii|| | 1 |
| Offside Rear Position lamp showing white light to the rear |4.2.3 |a| |ii|| | 1 |
| Nearside Front Brake hose leaking on an air braking system |1.1.12 |c| |i|| | 1 |
| Brake performance not tested |1.2.1 |g|| | 1 |
| Front Service brake excessively binding |1.2.1 |f|| | 1 |
| Nearside Rear Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 1 |
| Offside Rear Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 1 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear Brake pedal pivot has excessive wear or free play (1.1.1 (b)) | 1 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 1 |
| Front front brake binding |3.7.B.1| | 1 |
| Rear Mechanical brake component has restricted free movement | 1 |
| Offside Rear Direction indicators not working |1.4.A.2c| | 1 |
| Offside Front Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Front Floor brake test indicates a binding brake |3.3.C2c| | 1 |
| Offside Rear Footrest insecure |9.6.1| | 1 |