| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5 |
| Rear parking brake recording little or no effort | 4 |
| Registration plate lamp issues | 3 |
| All position lamps not working |1.1.A.3b| | 3 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 3 |
| Service brake: efficiency below requirements |3.7.B.7| | 3 |
| Rear brake binding | 3 |
| Parking brake: efficiency below requirements |3.7.B.7| | 3 |
| Driver`s seat insecure |6.2.A.1| | 2 |
| Parking brake lever has no reserve travel |3.1.6b| | 2 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 2 |
| Offside Rear Braking system leaking |3.6.A.1| | 2 |
| Offside Rear Stop lamp not working |1.2.1b| | 2 |
| Horn not working |1.6.2a| | 2 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Rear Direction indicators not working |1.4.A.2c| | 2 |
| Offside Stop lamp not working |1.2.1b| | 2 |
| Nearside Rear Tie bar/rod has excessive play in a pin/bush |2.4.G.2| | 1 |
| Parking brake not fitted on at least one wheel on a 3 wheeled vehicle |3.1.1| | 1 |
| Nearside Rear Braking system leaking |3.6.A.1| | 1 |
| Front wheel bearings are excessively rough |9.2.8c| | 1 |
| Offside Rear Rear reflector missing |1.5.1a| | 1 |
| Nearside Rear Valve stem seriously damaged |4.1.D.1e| | 1 |
| Rear brake drum locking device missing |3.5.1l| | 1 |
| Centre Front position lamp|s| not working |1.1.A.3b| | 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 |
| Rear brake disc contaminated by oil |3.5.1h| | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Front Headlamp not working on main beam |1.7.5a| | 1 |
| Headlamp aim not tested |1.8.A.1c| | 1 |
| Offside Rear Stop lamp emits other than a steady red light |1.2.1e| | 1 |
| Trikes, quads or pre-68 vehicles, service brake efficiency below requirements both rear brakes little or no effort |3.7.B.7| | 1 |
| Brake linkage has abnormal movement of levers indicating excessive wear master cylinder linkage broken |3.5.1f| | 1 |
| Nearside Rear Stop lamp not working |1.2.1b| | 1 |
| Offside Front Brake pipe leaking |3.6.A.1| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Front Steering damper deformed and unserviceable |2.2.C.1d| | 1 |
| Steering component deformed and unserviceable |2.2.C.1d| | 1 |
| Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Brake cable has wires broken and is significantly weakened |3.5.1b| | 1 |
| Rear Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.B.7| | 1 |
| Parking brake lever insecure |3.1.3b| | 1 |
| Direction indicators not working |1.4.A.2c| | 1 |
| Rear Suspension component has an unsafe modification excessive play in both drive shaft joints |5.3.3 |c| |i|| | 1 |
| Headlamp not working on main beam main beam inoperative |1.7.5a| | 1 |
| Nearside Rear Rear position lamp|s| adversely affected by the operation of another lamp sidelight interacting with indicator |1.1.A.3f| | 1 |
| Stop lamp excessively damaged so that it is not visible from a reasonable distance |1.2.1d| | 1 |
| Nearside Rear Rear reflector missing |1.5.1a| | 1 |
| Front front brake binding |3.7.B.1| | 1 |
| Nearside Rear 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 |
| Offside Rear Valve stem seriously damaged |4.1.D.1e| | 1 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Brake pipe inadequately supported front flexi pair |3.6.B.1| | 1 |
| Rear Statutory seat belt missing |5.1.1| | 1 |
| Front Seat belt stitching not secure |5.2.2b| | 1 |
| Front position lamp|s| not working |1.1.A.3b| | 1 |
| Braking system leaking |3.6.A.1| | 1 |
| Front Braking system leaking |3.6.A.1| | 1 |
| Fuel cap/sealing device sealing washer deteriorated |7.2.4c| | 1 |
| Front Service brake excessively binding (1.2.1 (f)) | 1 |
| Centre Fork yoke clamp bolt loose |9.2.1c| | 1 |
| Centre Fork yoke clamp loose |9.2.1c| | 1 |
| Nearside Rear Brake pipe inadequately supported |3.6.B.1| | 1 |
| Offside Rear Brake pipe inadequately supported |3.6.B.1| | 1 |
| Parking brake efficiency below requirements |3.7.B.7| | 1 |
| Brake linkage locking device missing |3.5.1l| | 1 |
| Brake cable locking device missing |3.5.1l| | 1 |
| Nearside Handlebar handgrip missing |9.2.1a| | 1 |
| Nearside Wheel bolt|s| missing |4.2.A.1e| | 1 |
| Offside Wheel bolt|s| missing |4.2.A.1e| | 1 |
| An item not tested |Manual| | 1 |
| Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Front shock absorber leaking oil |9.2.7b| | 1 |
| Nearside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 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 |
| Nearside Exhaust has a part missing |7.1.1a| | 1 |
| Front Brake pipe inappropriately repaired |3.6.A.3| | 1 |
| Parking brake lever, pawl mechanism pivots or their associated mountings are insecure |3.1.4b| | 1 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Service brake: efficiency below requirements |3.7.C.1a| | 1 |
| Nearside Front Front shock absorber leaking oil |9.2.7b| | 1 |
| Nearside Front brake disc contaminated by oil |3.5.1h| | 1 |
| Mechanical brake component has restricted free movement | 1 |
| Parking brake efficiency below requirements |3.7.C.1b| | 1 |
| Nearside Front brake caliper securing device loose |3.5.1j| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Nearside Rear reflector missing |1.5.1a| | 1 |
| Nearside Front Handlebar insecure mounting loose (2.2.1 (d) (i)) | 1 |
| Offside Rear Tie bar/rod has excessive play in a pin/bush |2.4.G.2| | 1 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Front Hydraulic brake calliper leaking and braking performance affected (1.1.16 (b) (ii)) | 1 |
| Service brake efficiency less than 50% of the required value (1.2.2 (a) (ii)) | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Brake master cylinder insecurely mounted |3.6.G.1a| | 1 |