| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8 |
| Rear parking brake recording little or no effort | 8 |
| Registration plate issues | 5 |
| Parking brake lever has no reserve travel |3.1.6b| | 5 |
| Registration plate lamp issues | 4 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 3 |
| Offside Rear Stop lamp not working |1.2.1b| | 3 |
| Parking brake: efficiency below requirements |3.7.B.7| | 3 |
| Brakes imbalanced across an axle | 2 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Service brake: efficiency below requirements |3.7.B.7| | 2 |
| Offside Front Brake disc|s| friction surface contaminated by oil or grease |3.2.A1k| | 2 |
| Centre front brake binding |3.7.B.1| | 2 |
| Hazard warning lamps not fitted |1.4.B.1a| | 2 |
| Rear Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.C.1a| | 2 |
| Service brake: efficiency below requirements |3.7.C.1a| | 2 |
| Front position lamp|s| not working |1.1.A.3b| | 2 |
| Brake cable has wires broken and is significantly weakened |3.5.1b| | 2 |
| Brake hose has insufficient room to move | 2 |
| Exhaust system not adequately supported |7.1.1| | 2 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Brake pipe excessively corroded | 1 |
| Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Front Front wheel spindle securing nut locking device insecure |9.2.8b| | 1 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.C.1a| | 1 |
| Rear Service brake is causing the vehicle to swerve to the offside |3.7.C.2| | 1 |
| Nearside Front brake disc contaminated by oil |3.5.1h| | 1 |
| Offside Front brake disc contaminated by oil |3.5.1h| | 1 |
| Nearside Front shock absorber leaking oil |9.2.7b| | 1 |
| Offside Front shock absorber leaking oil |9.2.7b| | 1 |
| Brake lever cannot be applied smoothly |9.3.1h| | 1 |
| Nearside Brake cable has wires broken and is significantly weakened |3.5.1b| | 1 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Stop lamp(s) not working Front brake does not activate stop lamp (4.3.1 (a) (ii)) | 1 |
| Hazard warning switch missing |1.4.B.1d| | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Central Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Central Front Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 1 |
| Nearside Rear Lower Suspension arm attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Offside Rear Lower Suspension arm attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear Stop lamp not working |1.2.1b| | 1 |
| Mechanical brake component locking device insecure HANDBRAKE |3.5.1l| | 1 |
| Rear Mechanical brake component locking device insecure FOOTBRAKE |3.5.1l| | 1 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 1 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 1 |
| Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 1 |
| Brake pedal actuating rod excessively damaged and seriously weakened |3.3.A.1g| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Rear wheel spindle securing nut locking device missing |2.4.A.2b| | 1 |
| Nearside Rear Brake pipe excessively chafed |3.6.B.2c| | 1 |
| Stop lamp missing |1.2.1a| | 1 |
| Hydraulic brake cylinder insecurely mounted |3.6.A.2a| | 1 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 1 |
| Offside Front brake disc contaminated by brake fluid |3.5.1h| | 1 |
| Rear Stop lamp not working |1.2.1b| | 1 |
| Brake cable insecure |3.5.1d| | 1 |
| Brake pivot locking device missing |3.5.1l| | 1 |
| Nearside Rear Suspension component mounting prescribed area is fractured |2.4.A.3| | 1 |
| Centre Vehicle structure has a fracture which adversely affects braking or steering |6.1.A.1| | 1 |
| Rear Brake hose excessively damaged |3.6.B.4d| | 1 |
| Brake hose damaged | 1 |
| Nearside Rear Brake pipe inadequately clipped |3.6.B.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 |
| Parking brake lever is fouling adjacent parts of the vehicle |3.1.6b| | 1 |
| Centre Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear Stop lamp excessively damaged so that it is not visible from a reasonable distance |1.2.1d| | 1 |
| Offside Rear Stop lamp excessively damaged so that it is not visible from a reasonable distance |1.2.1d| | 1 |
| Brake pedal has excessive side movement indicating a badly worn bearing or pivot |3.3.A.1d| | 1 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 1 |
| Offside Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Centre Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Nearside Rear Brake pipe fouled by moving parts |3.6.B.2a| | 1 |
| Front Steering damper damaged and unserviceable |2.2.C.1d| | 1 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 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 |
| Nearside Rear Trailing arm cracked |2.4.G.1| | 1 |
| Offside Rear Trailing arm cracked |2.4.G.1| | 1 |
| Fuel pipe leaking |7.2.3| | 1 |
| Fuel tank insecure |7.2.1| | 1 |
| Fuel cap/sealing device does not fasten securely by positive means |7.2.4b| | 1 |
| Brake performance not tested |3.7.A.1| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Rear Direction indicator obviously incorrectly positioned |4.4.3 |a|| | 1 |
| Rear Position lamp missing both |4.2.1 |a|| | 1 |
| Rear Stop lamp|s| not working both outer missing |4.3.1 |a| |ii|| | 1 |
| Rear reflector missing both rear |4.8.2 |a| |ii|| | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Parking brake lever defective so that it cannot be satisfactorily operated |3.1.3c| | 1 |
| Nearside Rear Hydraulic brake cylinder leaking hydraulic fluid |3.6.A.1| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Offside Rear Front suspension locking device ineffective |2.5.A.4| | 1 |
| Braking system leaking |3.6.A.1| | 1 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Front Direction indicator incorrect colour both |4.4.3 |a|| | 1 |
| Rear Position lamp adversely affected by the operation of another lamp both |4.2.3 |c|| | 1 |
| Stop lamp|s| adversely affected by the operation of another lamp both |4.3.3 |b|| | 1 |
| Rear Rear reflector missing |1.5.1a| | 1 |
| Front Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Front Shock absorbers has a serious fluid leak | 1 |
| Offside Shock absorbers has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Rear Direction indicator not working |1.5.1c| | 1 |
| Indicator tell tale not functioning |1.5.2| | 1 |
| Offside Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Front suspension has inadequate damping effect. |2.3.6c| | 1 |
| Front wheel bearings are excessively rough |2.3.5b| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Stop lamp not working controll one |1.2.1b| | 1 |
| Front Footrest insecure |9.6.1| | 1 |
| Front Steering component cracked and unserviceable |2.2.C.1d| | 1 |
| Handlebar mounting clamp loose |9.2.1c| | 1 |
| Mechanical brake component has restricted free movement | 1 |
| Front brake disc contaminated by oil |3.5.1h| | 1 |
| Rear fog lamp insecure |1.3.2a| | 1 |